/**
 * FinPal Mobile Styles
 * Shared CSS classes for mobile UI consistency
 * Based on Dashboard (index.php) design reference
 * 
 * Requirements: 3.1, 3.2, 3.3, 3.4, 17.1, 17.2, 17.3, 17.4, 17.5
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Primary Colors */
    --gradient-primary-start: #667eea;
    --gradient-primary-end: #764ba2;
    
    /* Income Colors */
    --gradient-income-start: #10b981;
    --gradient-income-end: #059669;
    
    /* Expense Colors */
    --gradient-expense-start: #ef4444;
    --gradient-expense-end: #dc2626;
    
    /* Balance Colors */
    --gradient-balance-start: #3b82f6;
    --gradient-balance-end: #2563eb;
    
    /* Warning Colors */
    --gradient-warning-start: #f59e0b;
    --gradient-warning-end: #d97706;
    
    /* Shadow Colors */
    --shadow-soft: 0 2px 20px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 25px rgba(0, 0, 0, 0.08);
    --shadow-hard: 0 10px 40px rgba(0, 0, 0, 0.12);
    
    /* Spacing */
    --content-padding-top: 60px;
    --content-padding-bottom: 70px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    
    /* Transitions */
    --transition-fast: 150ms;
    --transition-normal: 300ms;
    --transition-slow: 500ms;
}

/* ============================================
   Gradient Backgrounds
   Requirements: 17.1, 17.2, 17.3, 17.4, 17.5
   ============================================ */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--gradient-primary-start) 0%, var(--gradient-primary-end) 100%);
}

.bg-gradient-income {
    background: linear-gradient(135deg, var(--gradient-income-start) 0%, var(--gradient-income-end) 100%);
}

.bg-gradient-expense {
    background: linear-gradient(135deg, var(--gradient-expense-start) 0%, var(--gradient-expense-end) 100%);
}

.bg-gradient-balance {
    background: linear-gradient(135deg, var(--gradient-balance-start) 0%, var(--gradient-balance-end) 100%);
}

.bg-gradient-warning {
    background: linear-gradient(135deg, var(--gradient-warning-start) 0%, var(--gradient-warning-end) 100%);
}

.bg-gradient-groups {
    background: linear-gradient(135deg, var(--gradient-warning-start) 0%, var(--gradient-warning-end) 100%);
}

/* ============================================
   Card Styles
   Requirements: 3.1, 3.2, 3.3
   ============================================ */
.card-modern {
    background: white;
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.card-modern .card-header {
    background: linear-gradient(135deg, var(--gradient-primary-start) 0%, var(--gradient-primary-end) 100%);
    color: white;
    border: none;
    padding: 1rem 1.25rem;
    font-weight: 600;
}

/* ============================================
   Card Hover/Active Effects - Task 11.2
   Requirements: 14.2, 15.3
   Scale transform (0.98) on active, transition 300ms
   ============================================ */
.card-hover {
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.card-hover:active {
    transform: scale(0.98);
    transition: transform 100ms ease;
}

/* Card with combined hover and active effects */
.card-interactive {
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
}

.card-interactive:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.card-interactive:active {
    transform: scale(0.98);
    transition: transform 100ms ease;
}

/* Card focus state for accessibility */
.card-hover:focus,
.card-interactive:focus {
    outline: 2px solid var(--gradient-primary-start);
    outline-offset: 2px;
}

/* Global card active effects - Task 11.2 */
/* Note: Active effects are applied via specific card classes like .card-hover, .card-interactive */

/* Clickable card wrapper */
a.card,
a .card,
.card[onclick],
.card[role="button"],
.card.clickable {
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
}

a.card:active,
a .card:active,
.card[onclick]:active,
.card[role="button"]:active,
.card.clickable:active {
    transform: scale(0.98);
    transition: transform 100ms ease;
}

/* Bootstrap card with hover effect */
.card.shadow-soft {
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.card.shadow-soft:hover {
    box-shadow: var(--shadow-medium);
}

/* Rounded card variants */
.rounded-4,
.rounded-2xl {
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Summary Card - rounded-2xl with shadow-soft */
.summary-card {
    background: white;
    border: none;
    border-radius: var(--radius-lg); /* 16px = rounded-2xl */
    box-shadow: var(--shadow-soft);
    padding: 1rem;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
}

.summary-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.summary-card:active {
    transform: scale(0.98);
    transition: transform 100ms ease;
}

/* ============================================
   Shadow Presets
   ============================================ */
.shadow-soft {
    box-shadow: var(--shadow-soft);
}

.shadow-medium {
    box-shadow: var(--shadow-medium);
}

.shadow-hard {
    box-shadow: var(--shadow-hard);
}

/* ============================================
   Fixed Size Components
   Requirements: 3.4
   ============================================ */
.fixed-icon-size {
    width: 48px !important;
    height: 48px !important;
    min-width: 48px !important;
    min-height: 48px !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fixed-icon-size-sm {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    min-height: 40px !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fixed-icon-size-xs {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    min-height: 36px !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Icon Container with background */
.icon-container {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.icon-container-sm {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}


/* ============================================
   Animation Classes
   ============================================ */
.hover-scale {
    transition: transform var(--transition-normal) ease;
}

.hover-scale:hover {
    transform: scale(1.02);
}

.hover-shadow {
    transition: box-shadow var(--transition-normal) ease;
}

.hover-shadow:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Smooth Transitions */
.transition-all {
    transition: all var(--transition-normal) ease;
}

.transition-fast {
    transition: all var(--transition-fast) ease;
}

/* Pulse Animation */
.animate-pulse-soft {
    animation: pulse-soft 2s ease-in-out infinite;
}

@keyframes pulse-soft {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

/* Fade In Animation */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide In Animation */
.slide-in-up {
    animation: slideInUp 0.5s ease forwards;
}

@keyframes slideInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Form Styles
   ============================================ */
.form-control-modern {
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 12px;
    font-size: 15px;
    transition: all var(--transition-normal) ease;
    background: white;
}

.form-control-modern:focus {
    border-color: var(--gradient-primary-start);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

.form-control-modern.is-invalid {
    border-color: var(--gradient-expense-start);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-select-modern {
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 12px;
    font-size: 15px;
    transition: all var(--transition-normal) ease;
    background: white;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

.form-select-modern:focus {
    border-color: var(--gradient-primary-start);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

/* ============================================
   Button Styles
   ============================================ */
.btn-gradient {
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    border: none;
    color: white;
    border-radius: 10px;
    padding: 12px 24px;
    font-weight: 600;
    transition: all var(--transition-normal) ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
    color: white;
}

.btn-gradient:active {
    transform: scale(0.98);
}

.btn-gradient-income {
    background: linear-gradient(135deg, var(--gradient-income-start), var(--gradient-income-end));
}

.btn-gradient-expense {
    background: linear-gradient(135deg, var(--gradient-expense-start), var(--gradient-expense-end));
}

.btn-light-glass {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: 10px;
    padding: 8px 16px;
    font-weight: 500;
    transition: all var(--transition-normal) ease;
}

.btn-light-glass:hover {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

/* ============================================
   Typography
   Requirements: 18.1, 18.2, 18.3, 18.4
   ============================================ */

/* Base Typography - Inter Font Family (Requirements: 18.1) */
html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px; /* Base: 14-16px (Requirements: 18.4) */
    font-weight: 400;
    line-height: 1.5;
    color: #1f2937;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Body Text (Requirements: 18.4) - 14-16px, normal weight */
.body-text,
p,
.text-body {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: #374151;
}

.body-text-lg {
    font-size: 16px;
}

.body-text-sm {
    font-size: 13px;
}

/* Stat Labels (Requirements: 18.2) - 10-12px, uppercase, letter-spacing */
.stat-label {
    font-family: 'Inter', sans-serif;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #6b7280;
    margin-bottom: 4px;
    line-height: 1.4;
}

.stat-label-lg {
    font-size: 12px;
    letter-spacing: 0.6px;
}

.stat-label-sm {
    font-size: 9px;
    letter-spacing: 0.4px;
}

/* Stat Values (Requirements: 18.3) - 14-18px, bold weight */
.stat-value {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: #1f2937;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.3;
}

.stat-value-lg {
    font-size: 18px;
}

.stat-value-sm {
    font-size: 14px;
}

.stat-value-xl {
    font-size: 20px;
}

/* Headings with Inter font */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

h1, .h1 { font-size: 1.75rem; font-weight: 700; }
h2, .h2 { font-size: 1.5rem; font-weight: 700; }
h3, .h3 { font-size: 1.25rem; font-weight: 600; }
h4, .h4 { font-size: 1.125rem; font-weight: 600; }
h5, .h5 { font-size: 1rem; font-weight: 600; }
h6, .h6 { font-size: 0.875rem; font-weight: 600; }

/* Card Title Typography */
.card-title {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.25rem;
}

/* Form Labels */
.form-label {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: #6b7280;
    margin-bottom: 0.375rem;
}

/* Button Typography */
.btn {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

/* Navigation Typography */
.nav-link {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
}

/* Badge Typography */
.badge {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* Text Truncation */
.text-truncate-custom {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-truncate-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Font Weight Utilities */
.fw-light { font-weight: 300 !important; }
.fw-normal { font-weight: 400 !important; }
.fw-medium { font-weight: 500 !important; }
.fw-semibold { font-weight: 600 !important; }
.fw-bold { font-weight: 700 !important; }
.fw-extrabold { font-weight: 800 !important; }

/* Font Size Utilities */
.fs-xs { font-size: 0.6875rem !important; } /* 11px */
.fs-sm { font-size: 0.75rem !important; }   /* 12px */
.fs-md { font-size: 0.875rem !important; }  /* 14px */
.fs-base { font-size: 1rem !important; }    /* 16px */
.fs-lg { font-size: 1.125rem !important; }  /* 18px */
.fs-xl { font-size: 1.25rem !important; }   /* 20px */

/* Letter Spacing Utilities */
.tracking-tight { letter-spacing: -0.025em !important; }
.tracking-normal { letter-spacing: 0 !important; }
.tracking-wide { letter-spacing: 0.025em !important; }
.tracking-wider { letter-spacing: 0.05em !important; }
.tracking-widest { letter-spacing: 0.1em !important; }

/* Line Height Utilities */
.leading-none { line-height: 1 !important; }
.leading-tight { line-height: 1.25 !important; }
.leading-snug { line-height: 1.375 !important; }
.leading-normal { line-height: 1.5 !important; }
.leading-relaxed { line-height: 1.625 !important; }
.leading-loose { line-height: 2 !important; }

/* Text Transform Utilities */
.text-uppercase { text-transform: uppercase !important; }
.text-lowercase { text-transform: lowercase !important; }
.text-capitalize { text-transform: capitalize !important; }
.text-normal-case { text-transform: none !important; }

/* ============================================
   Color Classes
   ============================================ */
.text-income {
    color: var(--gradient-income-start);
}

.text-expense {
    color: var(--gradient-expense-start);
}

.text-balance {
    color: var(--gradient-balance-start);
}

.text-warning {
    color: var(--gradient-warning-start);
}

.text-positive {
    color: #10b981;
}

.text-negative {
    color: #ef4444;
}

/* ============================================
   List Item Card
   Requirements: 3.3
   ============================================ */
.list-item-card {
    background: white;
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    padding: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
}

.list-item-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.list-item-card:active {
    transform: scale(0.98);
    transition: transform 100ms ease;
}

.list-item-card .item-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.list-item-card .item-content {
    flex: 1;
    min-width: 0;
}

.list-item-card .item-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: #1f2937;
    margin-bottom: 2px;
}

.list-item-card .item-subtitle {
    font-size: 0.8125rem;
    color: #6b7280;
}

.list-item-card .item-value {
    text-align: right;
    flex-shrink: 0;
}

.list-item-card .item-amount {
    font-weight: 700;
    font-size: 0.9375rem;
}

.list-item-card .item-amount.income,
.list-item-card .item-amount.text-success {
    color: var(--gradient-income-start) !important;
}

.list-item-card .item-amount.expense,
.list-item-card .item-amount.text-danger {
    color: var(--gradient-expense-start) !important;
}

/* Transaction card with 2-row layout */
.list-item-card.touch-feedback {
    display: block;
    padding: 12px;
}

.list-item-card .item-title.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

/* Action buttons in transaction list */
.list-item-card .btn-outline-primary,
.list-item-card .btn-outline-danger,
.list-item-card .btn-outline-secondary {
    transition: all 150ms ease;
}

.list-item-card .btn-outline-primary:hover {
    background-color: var(--gradient-primary-start);
    border-color: var(--gradient-primary-start);
    color: white;
}

.list-item-card .btn-outline-danger:hover {
    background-color: var(--gradient-expense-start);
    border-color: var(--gradient-expense-start);
    color: white;
}


/* ============================================
   Gradient Header Card
   Requirements: 3.2
   ============================================ */
.gradient-header-card {
    background: linear-gradient(135deg, var(--gradient-primary-start) 0%, var(--gradient-primary-end) 100%);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1rem;
    color: white;
    box-shadow: var(--shadow-hard);
}

.gradient-header-card h1,
.gradient-header-card h2,
.gradient-header-card h3,
.gradient-header-card h4 {
    color: white;
    margin-bottom: 0.25rem;
}

.gradient-header-card .subtitle {
    opacity: 0.85;
    font-size: 0.875rem;
}

/* ============================================
   Collapsible Filter Section
   ============================================ */
.filter-section {
    background: white;
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    margin-bottom: 1rem;
    overflow: hidden;
}

.filter-header {
    background: linear-gradient(135deg, var(--gradient-primary-start) 0%, var(--gradient-primary-end) 100%);
    padding: 0.875rem 1rem;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
}

.filter-header i.toggle-icon {
    transition: transform var(--transition-normal) ease;
}

.filter-header.collapsed i.toggle-icon {
    transform: rotate(-180deg);
}

.filter-content {
    padding: 1rem;
    display: none;
}

.filter-content.show {
    display: block;
}

/* ============================================
   Empty State
   Requirements: 12.1, 12.2
   ============================================ */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    min-width: 80px;
    min-height: 80px;
    margin: 0 auto 1.25rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border-radius: 50%;
}

.empty-state-icon i,
.empty-state-icon .fa,
.empty-state-icon .fas,
.empty-state-icon .far,
.empty-state-icon .fab {
    font-size: 2.5rem; /* 40px - larger than 48px container requirement */
    color: #9ca3af;
}

/* Alternative: Icon without container background */
.empty-state-icon.no-bg {
    background: transparent;
    width: auto;
    height: auto;
    min-width: 48px;
    min-height: 48px;
}

.empty-state-icon.no-bg i {
    font-size: 3rem; /* 48px+ requirement */
    color: #d1d5db;
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.empty-state-message {
    font-size: 0.875rem;
    color: #6b7280;
    margin-bottom: 1.5rem;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

.empty-state-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Empty state with illustration */
.empty-state-illustration {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem auto;
    opacity: 0.8;
}

.empty-state-illustration img,
.empty-state-illustration svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ============================================
   Transaction Item
   ============================================ */
.transaction-item {
    display: flex;
    align-items: center;
    padding: 0.875rem;
    gap: 0.75rem;
    border-bottom: 1px solid #f3f4f6;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
}

.transaction-item:last-child {
    border-bottom: none;
}

.transaction-item:hover {
    background-color: #f9fafb;
}

.transaction-item:active {
    background-color: #f3f4f6;
    transform: scale(0.98);
    transition: transform 100ms ease, background-color 100ms ease;
}

.transaction-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.transaction-content {
    flex: 1;
    min-width: 0;
}

.transaction-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: #1f2937;
}

.transaction-subtitle {
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 2px;
}

.transaction-amount {
    text-align: right;
    flex-shrink: 0;
}

.transaction-amount .amount {
    font-weight: 700;
    font-size: 0.875rem;
}

.transaction-amount .amount.income {
    color: var(--gradient-income-start);
}

.transaction-amount .amount.expense {
    color: var(--gradient-expense-start);
}

/* ============================================
   Chart Container
   Requirements: 7.3
   ============================================ */
.chart-container {
    height: 200px !important;
    position: relative;
}

.chart-container canvas {
    max-height: 200px;
}

/* ============================================
   Badge Styles
   ============================================ */
.badge-gradient {
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-income {
    background: linear-gradient(135deg, var(--gradient-income-start), var(--gradient-income-end));
}

.badge-expense {
    background: linear-gradient(135deg, var(--gradient-expense-start), var(--gradient-expense-end));
}

/* ============================================
   Progress Bar
   Requirements: 11.2
   ============================================ */
.progress-modern {
    height: 8px;
    border-radius: 4px;
    background-color: #e5e7eb;
    overflow: hidden;
}

.progress-modern .progress-bar {
    border-radius: 4px;
    transition: width var(--transition-normal) ease;
}

.progress-bar-success {
    background: linear-gradient(90deg, var(--gradient-income-start), var(--gradient-income-end));
}

.progress-bar-warning {
    background: linear-gradient(90deg, var(--gradient-warning-start), var(--gradient-warning-end));
}

.progress-bar-danger {
    background: linear-gradient(90deg, var(--gradient-expense-start), var(--gradient-expense-end));
}

/* ============================================
   Touch Feedback
   Requirements: 14.1, 14.2, 14.3
   ============================================ */

/* Base touch feedback class */
.touch-feedback {
    transition: transform 100ms ease, opacity 100ms ease;
    -webkit-tap-highlight-color: transparent;
}

.touch-feedback:active {
    transform: scale(0.98);
    opacity: 0.9;
}

/* Minimum tap target size 44x44px */
.tap-target {
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   Button Touch Feedback - Task 11.1
   Requirements: 14.1
   Visual feedback within 100ms for all buttons
   ============================================ */

/* Global button touch feedback */
button,
.btn,
[type="button"],
[type="submit"],
[type="reset"],
a.btn {
    transition: transform 100ms ease, 
                opacity 100ms ease, 
                box-shadow 100ms ease,
                background-color 100ms ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    cursor: pointer;
}

button:active,
.btn:active,
[type="button"]:active,
[type="submit"]:active,
[type="reset"]:active,
a.btn:active {
    transform: scale(0.96);
    opacity: 0.9;
}

/* Gradient button specific feedback */
.btn-gradient:active,
.btn-gradient-income:active,
.btn-gradient-expense:active {
    transform: scale(0.96);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

/* Light glass button feedback */
.btn-light-glass:active {
    transform: scale(0.96);
    background: rgba(255, 255, 255, 0.4);
}

/* Primary/Secondary button feedback */
.btn-primary:active {
    transform: scale(0.96);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4);
}

.btn-secondary:active,
.btn-outline-secondary:active {
    transform: scale(0.96);
    opacity: 0.85;
}

.btn-danger:active,
.btn-outline-danger:active {
    transform: scale(0.96);
    box-shadow: 0 2px 10px rgba(239, 68, 68, 0.3);
}

.btn-success:active,
.btn-outline-success:active {
    transform: scale(0.96);
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

/* Icon buttons feedback */
.btn-icon,
.icon-btn,
button.btn-link {
    transition: transform 100ms ease, opacity 100ms ease;
}

.btn-icon:active,
.icon-btn:active,
button.btn-link:active {
    transform: scale(0.9);
    opacity: 0.7;
}

/* FAB button feedback */
.fab-btn,
.fab-container button,
.floating-action-btn {
    transition: transform 100ms ease, box-shadow 100ms ease;
}

.fab-btn:active,
.fab-container button:active,
.floating-action-btn:active {
    transform: scale(0.92);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* Navigation button feedback */
.nav-link:active,
.bottom-nav a:active,
.bottom-nav button:active {
    transform: scale(0.95);
    opacity: 0.8;
}

/* Pill tab button feedback */
.pill-tab:active {
    transform: scale(0.97);
}

/* Filter header button feedback */
.filter-header:active {
    opacity: 0.9;
}

/* ============================================
   Glass Morphism Effect
   ============================================ */
.glass-morphism {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* ============================================
   Loading States
   ============================================ */
.skeleton-loader {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================
   Validation Styles
   Requirements: 13.1, 13.2, 13.3
   ============================================ */

/* Invalid field border - Requirements: 13.2 */
.is-invalid,
.form-control.is-invalid,
.form-select.is-invalid,
.form-control-modern.is-invalid,
.form-select-modern.is-invalid {
    border-color: var(--gradient-expense-start) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.is-invalid:focus {
    border-color: var(--gradient-expense-start) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15) !important;
}

/* Valid field border */
.is-valid,
.form-control.is-valid,
.form-select.is-valid,
.form-control-modern.is-valid,
.form-select-modern.is-valid {
    border-color: var(--gradient-income-start) !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

.is-valid:focus {
    border-color: var(--gradient-income-start) !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15) !important;
}

/* Inline error message - Requirements: 13.1 */
.validation-error,
.invalid-feedback,
.error-message {
    color: var(--gradient-expense-start);
    font-size: 0.75rem;
    margin-top: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    animation: fadeInError 0.3s ease;
}

.validation-error i,
.invalid-feedback i,
.error-message i {
    font-size: 0.75rem;
    flex-shrink: 0;
}

@keyframes fadeInError {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Show invalid feedback when field is invalid */
.is-invalid ~ .invalid-feedback,
.is-invalid ~ .validation-error {
    display: flex;
}

/* Form group with validation */
.form-group.has-error .form-control,
.form-group.has-error .form-select {
    border-color: var(--gradient-expense-start) !important;
}

.form-group.has-error .form-label {
    color: var(--gradient-expense-start);
}

.form-group.has-success .form-control,
.form-group.has-success .form-select {
    border-color: var(--gradient-income-start) !important;
}

/* Validation icons inside input */
.input-with-validation {
    position: relative;
}

.input-with-validation .validation-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    pointer-events: none;
}

.input-with-validation .validation-icon.valid {
    color: var(--gradient-income-start);
}

.input-with-validation .validation-icon.invalid {
    color: var(--gradient-expense-start);
}

.input-with-validation input,
.input-with-validation select {
    padding-right: 40px;
}

/* Required field indicator */
.required-indicator {
    color: var(--gradient-expense-start);
    margin-left: 2px;
}

/* Character counter */
.char-counter {
    font-size: 0.6875rem;
    color: #9ca3af;
    text-align: right;
    margin-top: 0.25rem;
}

.char-counter.warning {
    color: var(--gradient-warning-start);
}

.char-counter.error {
    color: var(--gradient-expense-start);
}

/* ============================================
   Pill Tabs
   Requirements: 9.3
   ============================================ */
.pill-tabs {
    display: flex;
    gap: 0.5rem;
    padding: 0.25rem;
    background: #f3f4f6;
    border-radius: var(--radius-lg);
}

.pill-tab {
    flex: 1;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: #6b7280;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition-normal) ease;
    cursor: pointer;
}

.pill-tab.active {
    background: linear-gradient(135deg, var(--gradient-primary-start), var(--gradient-primary-end));
    color: white;
    box-shadow: var(--shadow-soft);
}

.pill-tab:hover:not(.active) {
    background: #e5e7eb;
}

/* ============================================
   Category Card Selection
   Requirements: 5.4
   ============================================ */
.category-select-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.category-select-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0.5rem;
    border-radius: var(--radius-md);
    border: 2px solid #e5e7eb;
    background: white;
    cursor: pointer;
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
}

.category-select-item:hover {
    border-color: var(--gradient-primary-start);
    background: #f8f7ff;
}

.category-select-item:active {
    transform: scale(0.98);
    transition: transform 100ms ease;
}

.category-select-item.selected {
    border-color: var(--gradient-primary-start);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
}

.category-select-item .category-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.category-select-item .category-name {
    font-size: 0.75rem;
    font-weight: 500;
    color: #374151;
    text-align: center;
    line-height: 1.2;
}


/* ============================================
   Responsive Breakpoints
   Requirements: 16.1, 16.2, 16.3, 16.4
   ============================================ */

/* Extra small mobile (< 360px) - Requirements: 16.1 */
@media (max-width: 359px) {
    /* Typography adjustments */
    .stat-value {
        font-size: 12px !important;
    }
    
    .stat-label {
        font-size: 9px;
        letter-spacing: 0.3px;
    }
    
    body, .body-text {
        font-size: 13px;
    }
    
    h1, .h1 { font-size: 1.375rem; }
    h2, .h2 { font-size: 1.25rem; }
    h3, .h3 { font-size: 1.125rem; }
    h4, .h4 { font-size: 1rem; }
    
    /* Icon size adjustments */
    .fixed-icon-size {
        width: 36px !important;
        height: 36px !important;
        min-width: 36px !important;
        min-height: 36px !important;
    }
    
    .fixed-icon-size i {
        font-size: 0.875rem !important;
    }
    
    .icon-container {
        width: 36px;
        height: 36px;
        min-width: 36px;
        font-size: 0.875rem;
    }
    
    .icon-container-sm {
        width: 32px;
        height: 32px;
        min-width: 32px;
    }
    
    /* Layout adjustments */
    .gradient-header-card {
        padding: 0.875rem;
        margin-bottom: 0.75rem;
    }
    
    .gradient-header-card h1,
    .gradient-header-card .h4 {
        font-size: 1rem;
    }
    
    .list-item-card {
        padding: 0.625rem;
        gap: 0.5rem;
    }
    
    .list-item-card .item-title {
        font-size: 0.8125rem;
    }
    
    .list-item-card .item-subtitle {
        font-size: 0.6875rem;
    }
    
    .list-item-card .item-amount {
        font-size: 0.8125rem;
    }
    
    /* Card adjustments */
    .card-body {
        padding: 0.75rem !important;
    }
    
    .summary-card {
        padding: 0.75rem;
    }
    
    /* Grid adjustments */
    .category-select-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .category-select-item {
        padding: 0.75rem 0.375rem;
    }
    
    .category-select-item .category-icon {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }
    
    .category-select-item .category-name {
        font-size: 0.625rem;
    }
    
    /* Form adjustments */
    .form-control-modern,
    .form-select-modern {
        padding: 10px;
        font-size: 14px;
    }
    
    .btn-gradient {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    /* Transaction item adjustments */
    .transaction-item {
        padding: 0.625rem;
        gap: 0.5rem;
    }
    
    .transaction-icon {
        width: 32px;
        height: 32px;
        min-width: 32px;
        font-size: 0.75rem;
    }
    
    .transaction-title {
        font-size: 0.8125rem;
    }
    
    .transaction-subtitle {
        font-size: 0.6875rem;
    }
    
    .transaction-amount .amount {
        font-size: 0.8125rem;
    }
    
    /* Empty state adjustments */
    .empty-state {
        padding: 2rem 1rem;
    }
    
    .empty-state-icon {
        width: 60px;
        height: 60px;
    }
    
    .empty-state-icon i {
        font-size: 1.75rem;
    }
    
    .empty-state-title {
        font-size: 1rem;
    }
    
    .empty-state-message {
        font-size: 0.8125rem;
    }
    
    /* Pill tabs adjustments */
    .pill-tabs {
        gap: 0.25rem;
    }
    
    .pill-tab {
        padding: 0.5rem 0.625rem;
        font-size: 0.75rem;
    }
    
    /* Chart container */
    .chart-container {
        height: 160px !important;
    }
    
    .chart-container canvas {
        max-height: 160px;
    }
    
    /* Progress bar */
    .progress-modern {
        height: 6px;
    }
    
    /* Badge */
    .badge-gradient {
        padding: 3px 8px;
        font-size: 10px;
    }
    
    /* Row gap adjustments */
    .row.g-3 {
        --bs-gutter-x: 0.5rem;
        --bs-gutter-y: 0.5rem;
    }
}

/* Small mobile (360px - 419px) - Requirements: 16.2 */
@media (min-width: 360px) and (max-width: 419px) {
    /* Typography adjustments */
    .stat-value {
        font-size: 13px !important;
    }
    
    .stat-label {
        font-size: 10px;
        letter-spacing: 0.4px;
    }
    
    body, .body-text {
        font-size: 14px;
    }
    
    h1, .h1 { font-size: 1.5rem; }
    h2, .h2 { font-size: 1.375rem; }
    h3, .h3 { font-size: 1.25rem; }
    h4, .h4 { font-size: 1.125rem; }
    
    /* Icon size adjustments */
    .fixed-icon-size {
        width: 40px !important;
        height: 40px !important;
        min-width: 40px !important;
        min-height: 40px !important;
    }
    
    .fixed-icon-size i {
        font-size: 1rem !important;
    }
    
    .icon-container {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 1rem;
    }
    
    .icon-container-sm {
        width: 34px;
        height: 34px;
        min-width: 34px;
    }
    
    /* Layout adjustments */
    .gradient-header-card {
        padding: 1rem;
    }
    
    .gradient-header-card h1,
    .gradient-header-card .h4 {
        font-size: 1.0625rem;
    }
    
    .list-item-card {
        padding: 0.75rem;
        gap: 0.625rem;
    }
    
    .list-item-card .item-title {
        font-size: 0.875rem;
    }
    
    .list-item-card .item-subtitle {
        font-size: 0.75rem;
    }
    
    .list-item-card .item-amount {
        font-size: 0.875rem;
    }
    
    /* Card adjustments */
    .card-body {
        padding: 0.875rem !important;
    }
    
    .summary-card {
        padding: 0.875rem;
    }
    
    /* Grid adjustments */
    .category-select-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.625rem;
    }
    
    .category-select-item {
        padding: 0.875rem 0.5rem;
    }
    
    .category-select-item .category-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .category-select-item .category-name {
        font-size: 0.6875rem;
    }
    
    /* Form adjustments */
    .form-control-modern,
    .form-select-modern {
        padding: 11px;
        font-size: 14px;
    }
    
    .btn-gradient {
        padding: 11px 20px;
        font-size: 14px;
    }
    
    /* Transaction item adjustments */
    .transaction-item {
        padding: 0.75rem;
        gap: 0.625rem;
    }
    
    .transaction-icon {
        width: 36px;
        height: 36px;
        min-width: 36px;
        font-size: 0.875rem;
    }
    
    .transaction-title {
        font-size: 0.8125rem;
    }
    
    .transaction-subtitle {
        font-size: 0.6875rem;
    }
    
    .transaction-amount .amount {
        font-size: 0.8125rem;
    }
    
    /* Empty state adjustments */
    .empty-state {
        padding: 2.5rem 1.25rem;
    }
    
    .empty-state-icon {
        width: 70px;
        height: 70px;
    }
    
    .empty-state-icon i {
        font-size: 2rem;
    }
    
    /* Pill tabs adjustments */
    .pill-tab {
        padding: 0.5rem 0.75rem;
        font-size: 0.8125rem;
    }
    
    /* Chart container */
    .chart-container {
        height: 180px !important;
    }
    
    .chart-container canvas {
        max-height: 180px;
    }
    
    /* Row gap adjustments */
    .row.g-3 {
        --bs-gutter-x: 0.625rem;
        --bs-gutter-y: 0.625rem;
    }
}

/* Medium mobile (420px - 639px) - Requirements: 16.3 */
@media (min-width: 420px) and (max-width: 639px) {
    /* Typography adjustments */
    .stat-value {
        font-size: 14px !important;
    }
    
    .stat-label {
        font-size: 10px;
        letter-spacing: 0.5px;
    }
    
    body, .body-text {
        font-size: 14px;
    }
    
    h1, .h1 { font-size: 1.625rem; }
    h2, .h2 { font-size: 1.5rem; }
    h3, .h3 { font-size: 1.375rem; }
    h4, .h4 { font-size: 1.25rem; }
    
    /* Icon size adjustments */
    .fixed-icon-size {
        width: 44px !important;
        height: 44px !important;
        min-width: 44px !important;
        min-height: 44px !important;
    }
    
    .fixed-icon-size i {
        font-size: 1.125rem !important;
    }
    
    .icon-container {
        width: 44px;
        height: 44px;
        min-width: 44px;
        font-size: 1.125rem;
    }
    
    .icon-container-sm {
        width: 36px;
        height: 36px;
        min-width: 36px;
    }
    
    /* Layout adjustments */
    .gradient-header-card {
        padding: 1.125rem;
    }
    
    .gradient-header-card h1,
    .gradient-header-card .h4 {
        font-size: 1.125rem;
    }
    
    .list-item-card {
        padding: 0.875rem;
    }
    
    .list-item-card .item-title {
        font-size: 0.9375rem;
    }
    
    .list-item-card .item-subtitle {
        font-size: 0.8125rem;
    }
    
    .list-item-card .item-amount {
        font-size: 0.9375rem;
    }
    
    /* Card adjustments */
    .card-body {
        padding: 1rem !important;
    }
    
    .summary-card {
        padding: 1rem;
    }
    
    /* Grid adjustments */
    .category-select-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }
    
    .category-select-item {
        padding: 1rem 0.5rem;
    }
    
    .category-select-item .category-icon {
        width: 40px;
        height: 40px;
        font-size: 1.125rem;
    }
    
    .category-select-item .category-name {
        font-size: 0.75rem;
    }
    
    /* Form adjustments */
    .form-control-modern,
    .form-select-modern {
        padding: 12px;
        font-size: 15px;
    }
    
    .btn-gradient {
        padding: 12px 24px;
        font-size: 15px;
    }
    
    /* Transaction item adjustments */
    .transaction-item {
        padding: 0.875rem;
    }
    
    .transaction-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 1rem;
    }
    
    .transaction-title {
        font-size: 0.875rem;
    }
    
    .transaction-subtitle {
        font-size: 0.75rem;
    }
    
    .transaction-amount .amount {
        font-size: 0.875rem;
    }
    
    /* Empty state adjustments */
    .empty-state {
        padding: 3rem 1.5rem;
    }
    
    .empty-state-icon {
        width: 80px;
        height: 80px;
    }
    
    .empty-state-icon i {
        font-size: 2.5rem;
    }
    
    /* Pill tabs adjustments */
    .pill-tab {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }
    
    /* Chart container */
    .chart-container {
        height: 200px !important;
    }
    
    .chart-container canvas {
        max-height: 200px;
    }
}

/* Tablet (640px - 767px) - Requirements: 16.4 */
@media (min-width: 640px) and (max-width: 767px) {
    /* Typography adjustments */
    .stat-value {
        font-size: 16px !important;
    }
    
    .stat-label {
        font-size: 11px;
        letter-spacing: 0.5px;
    }
    
    body, .body-text {
        font-size: 15px;
    }
    
    h1, .h1 { font-size: 1.75rem; }
    h2, .h2 { font-size: 1.625rem; }
    h3, .h3 { font-size: 1.5rem; }
    h4, .h4 { font-size: 1.375rem; }
    
    /* Icon size adjustments */
    .fixed-icon-size {
        width: 48px !important;
        height: 48px !important;
        min-width: 48px !important;
        min-height: 48px !important;
    }
    
    .fixed-icon-size i {
        font-size: 1.25rem !important;
    }
    
    .icon-container {
        width: 48px;
        height: 48px;
        min-width: 48px;
        font-size: 1.25rem;
    }
    
    .icon-container-sm {
        width: 40px;
        height: 40px;
        min-width: 40px;
    }
    
    /* Layout adjustments */
    .gradient-header-card {
        padding: 1.25rem;
    }
    
    .gradient-header-card h1,
    .gradient-header-card .h4 {
        font-size: 1.25rem;
    }
    
    .list-item-card {
        padding: 1rem;
    }
    
    .list-item-card .item-title {
        font-size: 1rem;
    }
    
    .list-item-card .item-subtitle {
        font-size: 0.875rem;
    }
    
    .list-item-card .item-amount {
        font-size: 1rem;
    }
    
    /* Card adjustments */
    .card-body {
        padding: 1.25rem !important;
    }
    
    .summary-card {
        padding: 1.25rem;
    }
    
    /* Grid adjustments */
    .category-select-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.875rem;
    }
    
    .category-select-item {
        padding: 1.125rem 0.625rem;
    }
    
    .category-select-item .category-icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }
    
    .category-select-item .category-name {
        font-size: 0.8125rem;
    }
    
    /* Form adjustments */
    .form-control-modern,
    .form-select-modern {
        padding: 12px 14px;
        font-size: 15px;
    }
    
    .btn-gradient {
        padding: 12px 28px;
        font-size: 15px;
    }
    
    /* Transaction item adjustments */
    .transaction-item {
        padding: 1rem;
    }
    
    .transaction-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
        font-size: 1.125rem;
    }
    
    .transaction-title {
        font-size: 0.9375rem;
    }
    
    .transaction-subtitle {
        font-size: 0.8125rem;
    }
    
    .transaction-amount .amount {
        font-size: 0.9375rem;
    }
    
    /* Empty state adjustments */
    .empty-state {
        padding: 3.5rem 2rem;
    }
    
    .empty-state-icon {
        width: 90px;
        height: 90px;
    }
    
    .empty-state-icon i {
        font-size: 2.75rem;
    }
    
    .empty-state-title {
        font-size: 1.25rem;
    }
    
    .empty-state-message {
        font-size: 0.9375rem;
        max-width: 320px;
    }
    
    /* Pill tabs adjustments */
    .pill-tab {
        padding: 0.75rem 1.25rem;
        font-size: 0.9375rem;
    }
    
    /* Chart container */
    .chart-container {
        height: 220px !important;
    }
    
    .chart-container canvas {
        max-height: 220px;
    }
    
    /* Two column layout for some sections */
    .tablet-two-col {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

/* Large screens (768px+) */
@media (min-width: 768px) {
    /* Typography adjustments */
    .stat-value {
        font-size: 18px !important;
    }
    
    .stat-label {
        font-size: 12px;
        letter-spacing: 0.5px;
    }
    
    body, .body-text {
        font-size: 16px;
    }
    
    h1, .h1 { font-size: 2rem; }
    h2, .h2 { font-size: 1.75rem; }
    h3, .h3 { font-size: 1.5rem; }
    h4, .h4 { font-size: 1.375rem; }
    
    /* Icon size adjustments */
    .fixed-icon-size {
        width: 48px !important;
        height: 48px !important;
        min-width: 48px !important;
        min-height: 48px !important;
    }
    
    .fixed-icon-size i {
        font-size: 1.25rem !important;
    }
    
    .icon-container {
        width: 48px;
        height: 48px;
        min-width: 48px;
        font-size: 1.25rem;
    }
    
    /* Layout adjustments */
    .gradient-header-card {
        padding: 1.5rem;
    }
    
    .gradient-header-card h1,
    .gradient-header-card .h4 {
        font-size: 1.375rem;
    }
    
    .list-item-card {
        padding: 1.125rem;
    }
    
    .list-item-card .item-title {
        font-size: 1.0625rem;
    }
    
    .list-item-card .item-subtitle {
        font-size: 0.9375rem;
    }
    
    .list-item-card .item-amount {
        font-size: 1.0625rem;
    }
    
    /* Card adjustments */
    .card-body {
        padding: 1.5rem !important;
    }
    
    .summary-card {
        padding: 1.5rem;
    }
    
    /* Grid adjustments */
    .category-select-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 1rem;
    }
    
    .category-select-item {
        padding: 1.25rem 0.75rem;
    }
    
    .category-select-item .category-icon {
        width: 48px;
        height: 48px;
        font-size: 1.375rem;
    }
    
    .category-select-item .category-name {
        font-size: 0.875rem;
    }
    
    /* Form adjustments */
    .form-control-modern,
    .form-select-modern {
        padding: 14px 16px;
        font-size: 16px;
    }
    
    .btn-gradient {
        padding: 14px 32px;
        font-size: 16px;
    }
    
    /* Transaction item adjustments */
    .transaction-item {
        padding: 1.125rem;
    }
    
    .transaction-icon {
        width: 48px;
        height: 48px;
        min-width: 48px;
        font-size: 1.25rem;
    }
    
    .transaction-title {
        font-size: 1rem;
    }
    
    .transaction-subtitle {
        font-size: 0.875rem;
    }
    
    .transaction-amount .amount {
        font-size: 1rem;
    }
    
    /* Empty state adjustments */
    .empty-state {
        padding: 4rem 2.5rem;
    }
    
    .empty-state-icon {
        width: 100px;
        height: 100px;
    }
    
    .empty-state-icon i {
        font-size: 3rem;
    }
    
    .empty-state-title {
        font-size: 1.375rem;
    }
    
    .empty-state-message {
        font-size: 1rem;
        max-width: 360px;
    }
    
    /* Pill tabs adjustments */
    .pill-tab {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Chart container */
    .chart-container {
        height: 250px !important;
    }
    
    .chart-container canvas {
        max-height: 250px;
    }
    
    /* Multi column layouts */
    .desktop-two-col {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    
    .desktop-three-col {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.25rem;
    }
}

/* ============================================
   AOS Animation Overrides - Task 11.3
   Requirements: 15.1, 15.2, 15.3
   Staggered delays with 100ms increments
   ============================================ */

/* Base AOS configuration */
[data-aos] {
    transition-duration: 0.6s !important;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* Fade up animation */
[data-aos="fade-up"] {
    transform: translateY(20px);
    opacity: 0;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
    opacity: 1;
}

/* Fade down animation */
[data-aos="fade-down"] {
    transform: translateY(-20px);
    opacity: 0;
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
    opacity: 1;
}

/* Fade left animation */
[data-aos="fade-left"] {
    transform: translateX(20px);
    opacity: 0;
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
    opacity: 1;
}

/* Fade right animation */
[data-aos="fade-right"] {
    transform: translateX(-20px);
    opacity: 0;
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
    opacity: 1;
}

/* Zoom in animation */
[data-aos="zoom-in"] {
    transform: scale(0.9);
    opacity: 0;
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
    opacity: 1;
}

/* Zoom in up animation */
[data-aos="zoom-in-up"] {
    transform: scale(0.9) translateY(20px);
    opacity: 0;
}

[data-aos="zoom-in-up"].aos-animate {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Flip animations */
[data-aos="flip-up"] {
    transform: perspective(2500px) rotateX(-100deg);
    opacity: 0;
}

[data-aos="flip-up"].aos-animate {
    transform: perspective(2500px) rotateX(0);
    opacity: 1;
}

/* Staggered animation delays - 100ms increments */
[data-aos-delay="0"] {
    transition-delay: 0ms !important;
}

[data-aos-delay="50"] {
    transition-delay: 50ms !important;
}

[data-aos-delay="100"] {
    transition-delay: 100ms !important;
}

[data-aos-delay="150"] {
    transition-delay: 150ms !important;
}

[data-aos-delay="200"] {
    transition-delay: 200ms !important;
}

[data-aos-delay="250"] {
    transition-delay: 250ms !important;
}

[data-aos-delay="300"] {
    transition-delay: 300ms !important;
}

[data-aos-delay="350"] {
    transition-delay: 350ms !important;
}

[data-aos-delay="400"] {
    transition-delay: 400ms !important;
}

[data-aos-delay="450"] {
    transition-delay: 450ms !important;
}

[data-aos-delay="500"] {
    transition-delay: 500ms !important;
}

[data-aos-delay="550"] {
    transition-delay: 550ms !important;
}

[data-aos-delay="600"] {
    transition-delay: 600ms !important;
}

[data-aos-delay="650"] {
    transition-delay: 650ms !important;
}

[data-aos-delay="700"] {
    transition-delay: 700ms !important;
}

[data-aos-delay="750"] {
    transition-delay: 750ms !important;
}

[data-aos-delay="800"] {
    transition-delay: 800ms !important;
}

[data-aos-delay="900"] {
    transition-delay: 900ms !important;
}

[data-aos-delay="1000"] {
    transition-delay: 1000ms !important;
}

/* AOS duration variants */
[data-aos-duration="300"] {
    transition-duration: 300ms !important;
}

[data-aos-duration="400"] {
    transition-duration: 400ms !important;
}

[data-aos-duration="500"] {
    transition-duration: 500ms !important;
}

[data-aos-duration="600"] {
    transition-duration: 600ms !important;
}

[data-aos-duration="800"] {
    transition-duration: 800ms !important;
}

[data-aos-duration="1000"] {
    transition-duration: 1000ms !important;
}

/* AOS easing variants */
[data-aos-easing="ease-in-out"] {
    transition-timing-function: ease-in-out !important;
}

[data-aos-easing="ease-out"] {
    transition-timing-function: ease-out !important;
}

[data-aos-easing="ease-in-back"] {
    transition-timing-function: cubic-bezier(0.6, -0.28, 0.735, 0.045) !important;
}

[data-aos-easing="ease-out-back"] {
    transition-timing-function: cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}

/* Disable AOS on reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    [data-aos] {
        transition: none !important;
        transform: none !important;
        opacity: 1 !important;
    }
    
    [data-aos].aos-animate {
        transform: none !important;
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.rounded-2xl {
    border-radius: var(--radius-lg) !important;
}

.rounded-xl {
    border-radius: var(--radius-md) !important;
}

.rounded-lg {
    border-radius: var(--radius-sm) !important;
}

.rounded-4 {
    border-radius: var(--radius-lg) !important;
}

.rounded-3 {
    border-radius: var(--radius-md) !important;
}

.gap-2 {
    gap: 0.5rem !important;
}

.gap-3 {
    gap: 0.75rem !important;
}

.gap-4 {
    gap: 1rem !important;
}

.mb-3 {
    margin-bottom: 0.75rem !important;
}

.mb-4 {
    margin-bottom: 1rem !important;
}

.p-3 {
    padding: 0.75rem !important;
}

.p-4 {
    padding: 1rem !important;
}

.fw-semibold {
    font-weight: 600 !important;
}

.fw-bold {
    font-weight: 700 !important;
}

.text-muted {
    color: #6b7280 !important;
}

.small {
    font-size: 0.875rem !important;
}

.opacity-75 {
    opacity: 0.75 !important;
}

.opacity-80 {
    opacity: 0.8 !important;
}

.flex-fill {
    flex: 1 1 auto !important;
}

.overflow-hidden {
    overflow: hidden !important;
}

.border-0 {
    border: 0 !important;
}

/* ============================================
   Custom Scrollbar
   ============================================ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .mobile-header,
    .bottom-nav,
    .fab-container,
    .slide-menu,
    .menu-overlay {
        display: none !important;
    }
    
    .mobile-content {
        padding: 0 !important;
    }
    
    .card-modern,
    .summary-card,
    .list-item-card {
        box-shadow: none !important;
        border: 1px solid #e5e7eb !important;
    }
}


/* ============================================
   Toast Notifications
   Requirements: 13.3
   ============================================ */

/* Custom Toast Styles for Toastr */
.toast-success {
    background: linear-gradient(135deg, var(--gradient-income-start) 0%, var(--gradient-income-end) 100%) !important;
}

.toast-error {
    background: linear-gradient(135deg, var(--gradient-expense-start) 0%, var(--gradient-expense-end) 100%) !important;
}

.toast-warning {
    background: linear-gradient(135deg, var(--gradient-warning-start) 0%, var(--gradient-warning-end) 100%) !important;
}

.toast-info {
    background: linear-gradient(135deg, var(--gradient-balance-start) 0%, var(--gradient-balance-end) 100%) !important;
}

/* Toast container positioning for mobile */
#toast-container {
    position: fixed;
    z-index: 9999;
}

#toast-container > div {
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-hard) !important;
    padding: 12px 16px !important;
    margin-bottom: 8px !important;
    opacity: 1 !important;
}

#toast-container > div:hover {
    box-shadow: var(--shadow-hard) !important;
}

/* Toast title and message */
#toast-container .toast-title {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 4px;
}

#toast-container .toast-message {
    font-size: 0.8125rem;
    opacity: 0.95;
}

/* Toast close button */
#toast-container .toast-close-button {
    font-size: 1.25rem;
    font-weight: 300;
    opacity: 0.8;
    text-shadow: none;
}

#toast-container .toast-close-button:hover {
    opacity: 1;
}

/* Toast progress bar */
#toast-container .toast-progress {
    background: rgba(255, 255, 255, 0.4) !important;
    height: 3px !important;
}

/* Mobile-specific toast positioning */
@media (max-width: 640px) {
    #toast-container {
        width: calc(100% - 32px) !important;
        left: 16px !important;
        right: 16px !important;
    }
    
    #toast-container.toast-top-right,
    #toast-container.toast-top-left,
    #toast-container.toast-top-center {
        top: 70px !important;
    }
    
    #toast-container.toast-bottom-right,
    #toast-container.toast-bottom-left,
    #toast-container.toast-bottom-center {
        bottom: 80px !important;
    }
    
    #toast-container > div {
        width: 100% !important;
    }
}

/* Custom inline toast/alert for forms */
.form-toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    animation: slideInToast 0.3s ease;
}

@keyframes slideInToast {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-toast.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--gradient-income-end);
}

.form-toast.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--gradient-expense-end);
}

.form-toast.warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--gradient-warning-end);
}

.form-toast.info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--gradient-balance-end);
}

.form-toast-icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.form-toast-content {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 500;
}

.form-toast-close {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.form-toast-close:hover {
    opacity: 1;
}

/* SweetAlert2 Custom Styles */
.swal2-popup {
    border-radius: var(--radius-lg) !important;
    padding: 1.5rem !important;
}

.swal2-title {
    font-size: 1.125rem !important;
    font-weight: 600 !important;
}

.swal2-html-container {
    font-size: 0.9375rem !important;
    color: #6b7280 !important;
}

.swal2-confirm {
    border-radius: var(--radius-sm) !important;
    font-weight: 600 !important;
    padding: 0.625rem 1.5rem !important;
}

.swal2-cancel {
    border-radius: var(--radius-sm) !important;
    font-weight: 500 !important;
    padding: 0.625rem 1.5rem !important;
}

.swal2-icon {
    margin-top: 0.5rem !important;
    margin-bottom: 1rem !important;
}