/* CSS Variables for Theming */
:root {
    --color-primary: #4a90e2;
    --color-secondary: #5da3f5;
    --color-accent: #87ceeb;
    --color-background: #ffffff;
    --color-surface: #f5f5f5;
    --color-text: #333333;
    --color-text-secondary: #666666;
    --color-border: #dddddd;
    --color-danger: #e74c3c;
    --color-success: #2ecc71;
    --color-warning: #f39c12;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(74, 144, 226, 0.3);
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --color-primary: #ff1493;
    --color-secondary: #ff69b4;
    --color-accent: #ffc0cb;
    --color-background: #0a0a0a;
    --color-surface: #1a1a1a;
    --color-text: #ffffff;
    --color-text-secondary: #ff69b4;
    --color-border: #ff1493;
    --color-danger: #ff0066;
    --color-success: #ff69b4;
    --color-warning: #ffc0cb;
    --shadow-sm: 0 2px 4px rgba(255, 20, 147, 0.2);
    --shadow-md: 0 4px 8px rgba(255, 20, 147, 0.3);
    --shadow-lg: 0 8px 16px rgba(255, 20, 147, 0.4);
    --shadow-glow: 0 0 20px rgba(255, 20, 147, 0.5);
}

[data-theme="neon"] {
    --color-primary: #00ff41;
    --color-secondary: #39ff14;
    --color-accent: #7fff00;
    --color-background: #000000;
    --color-surface: #0d0d0d;
    --color-text: #00ff41;
    --color-text-secondary: #39ff14;
    --color-border: #00ff41;
    --color-danger: #ff0066;
    --color-success: #00ff41;
    --color-warning: #ffff00;
    --shadow-sm: 0 2px 4px rgba(0, 255, 65, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 255, 65, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 255, 65, 0.4);
    --shadow-glow: 0 0 20px rgba(0, 255, 65, 0.6);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
}

#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-title {
    font-size: 1.75rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 2px;
    filter: drop-shadow(0 0 10px rgba(255, 20, 147, 0.5));
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.balance-display, .streak-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-background);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.coin-icon, .fire-icon {
    font-size: 1.5rem;
}

.balance-amount, .streak-count {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.balance-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Navigation */
.app-nav {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    overflow-x: auto;
    position: sticky;
    top: 73px;
    z-index: 99;
}

.nav-btn {
    flex: 1;
    min-width: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem 0.5rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.nav-btn:hover {
    background: var(--color-background);
}

.nav-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.nav-icon {
    font-size: 1.5rem;
}

.nav-label {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Main Content */
.main-content {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* View Container */
.view {
    animation: fadeIn 0.3s ease;
}

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

/* Cards */
.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Buttons */
.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    justify-content: center;
}

.btn:hover:not(:disabled) {
    transform: scale(1.02);
}

.btn:active:not(:disabled) {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
}

.btn-secondary {
    background: var(--color-border);
    color: var(--color-text);
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-success {
    background: var(--color-success);
    color: white;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border-radius: 50%;
}

/* Form Elements */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-background);
    color: var(--color-text);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

/* Chore Item */
.chore-item {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

.chore-item:hover {
    box-shadow: var(--shadow-md);
}

.chore-item.completed {
    opacity: 0.6;
}

.chore-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.5rem;
}

.chore-title-row {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chore-title {
    font-weight: 600;
    font-size: 1rem;
}

.chore-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-category {
    background: var(--color-primary);
    color: white;
}

.badge-reward {
    background: var(--color-warning);
    color: white;
}

.badge-due {
    background: var(--color-danger);
    color: white;
}

.badge-due.due-today {
    background: var(--color-warning);
}

.badge-due.due-future {
    background: var(--color-text-secondary);
}

.badge-repeat {
    background: var(--color-secondary);
    color: white;
}

.badge-pending {
    background: var(--color-warning);
    color: white;
}

.chore-notes {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.chore-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Filters */
.filter-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    background: var(--color-background);
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
}

.filter-btn:hover {
    background: var(--color-surface);
}

.filter-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Store */
.store-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.store-item {
    background: var(--color-background);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    transition: var(--transition);
}

.store-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.store-item.owned {
    border-color: var(--color-success);
}

.store-preview {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.store-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.store-price {
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.store-type {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
}

/* Inventory */
.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.inventory-item {
    background: var(--color-background);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.inventory-item.equipped {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.inventory-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.chart-container {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.chart-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

canvas {
    max-width: 100%;
    height: auto !important;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1001;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translate(-50%, -45%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

.modal h2 {
    margin-bottom: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
    justify-content: flex-end;
}

.hidden {
    display: none !important;
}

/* Confetti */
.confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state-text {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

/* Dashboard Specific */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-box {
    background: var(--color-background);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    border: 1px solid var(--color-border);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Settings */
.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.setting-row:last-child {
    border-bottom: none;
}

.setting-label {
    font-weight: 500;
}

.setting-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Toggle Switch */
.toggle {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-border);
    transition: 0.3s;
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle input:checked + .toggle-slider {
    background-color: var(--color-primary);
}

.toggle input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

/* Profile */
.profile-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.avatar-display {
    font-size: 4rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-background);
    border-radius: 50%;
    border: 3px solid var(--color-primary);
}

/* Pending Approvals */
.approval-item {
    background: var(--color-background);
    border-left: 4px solid var(--color-warning);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
}

/* Responsive */
@media (min-width: 768px) {
    .main-content {
        padding: 2rem;
    }

    .card {
        padding: 2rem;
    }

    .app-nav {
        top: 77px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Weekly Schedule Styles */
.schedule-container {
    display: grid;
    grid-template-columns: 80px repeat(7, 1fr);
    gap: 1px;
    background: var(--color-border);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-glow);
}

.schedule-header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    padding: 1rem;
    text-align: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.schedule-time {
    background: var(--color-surface);
    padding: 0.75rem 0.5rem;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    border-right: 1px solid var(--color-border);
}

.schedule-cell {
    background: var(--color-surface);
    padding: 0.5rem;
    min-height: 60px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.schedule-cell:hover {
    background: rgba(255, 20, 147, 0.1);
    box-shadow: inset 0 0 10px rgba(255, 20, 147, 0.3);
}

.schedule-cell.has-chore {
    background: linear-gradient(135deg, rgba(255, 20, 147, 0.2), rgba(255, 105, 180, 0.2));
    border: 1px solid var(--color-primary);
}

.schedule-chore {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: 0.375rem 0.5rem;
    border-radius: 8px;
    font-size: 0.75rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.schedule-chore:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.schedule-chore.completed {
    background: linear-gradient(135deg, rgba(255, 105, 180, 0.5), rgba(255, 192, 203, 0.5));
    text-decoration: line-through;
    opacity: 0.7;
}

.schedule-add-btn {
    width: 100%;
    height: 100%;
    min-height: 60px;
    background: transparent;
    border: 2px dashed var(--color-border);
    border-radius: 8px;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.schedule-add-btn:hover {
    border-color: var(--color-primary);
    background: rgba(255, 20, 147, 0.1);
    color: var(--color-primary);
}

.schedule-legend {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--color-surface);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid var(--color-primary);
}

.legend-color.home {
    background: linear-gradient(135deg, #ff1493, #ff69b4);
}

.legend-color.school {
    background: linear-gradient(135deg, #ff69b4, #ffc0cb);
}

.legend-color.ballet {
    background: linear-gradient(135deg, #ff0066, #ff1493);
}

.legend-color.chess {
    background: linear-gradient(135deg, #ffc0cb, #ffb6c1);
}

.legend-color.pets {
    background: linear-gradient(135deg, #ff1493, #ffc0cb);
}

.schedule-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.schedule-stat-card {
    background: linear-gradient(135deg, rgba(255, 20, 147, 0.2), rgba(255, 105, 180, 0.1));
    border: 2px solid var(--color-primary);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.schedule-stat-value {
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.schedule-stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.25rem;
}

/* Enhanced Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}

/* Responsive Schedule */
@media (max-width: 768px) {
    .schedule-container {
        grid-template-columns: 60px repeat(7, 1fr);
        font-size: 0.75rem;
    }

    .schedule-header {
        padding: 0.5rem 0.25rem;
        font-size: 0.625rem;
    }

    .schedule-time {
        padding: 0.5rem 0.25rem;
        font-size: 0.625rem;
    }

    .schedule-chore {
        font-size: 0.625rem;
        padding: 0.25rem 0.375rem;
    }
}