/* ============================================
   Summer Camp Scheduler - Design System
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
    /* Colors - Modern Dark Theme */
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #252542;
    --bg-card: rgba(30, 30, 55, 0.8);
    --bg-card-hover: rgba(40, 40, 70, 0.9);

    /* Accent Colors */
    --accent-primary: #6c5ce7;
    --accent-primary-light: #a29bfe;
    --accent-secondary: #00cec9;
    --accent-warning: #fdcb6e;
    --accent-danger: #ff6b6b;
    --accent-success: #00b894;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    --gradient-secondary: linear-gradient(135deg, #00cec9 0%, #81ecec 100%);
    --gradient-warm: linear-gradient(135deg, #fd79a8 0%, #fdcb6e 100%);
    --gradient-cool: linear-gradient(135deg, #74b9ff 0%, #a29bfe 100%);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --text-muted: rgba(255, 255, 255, 0.3);

    /* Borders */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-hover: rgba(255, 255, 255, 0.2);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.3);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(108, 92, 231, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 206, 201, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(253, 121, 168, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* ============================================
   App Container & Layout
   ============================================ */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    font-size: var(--font-size-2xl);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

.logo h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.budget-display {
    background: var(--bg-card);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.budget-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.budget-amount {
    font-weight: 600;
    color: var(--accent-success);
    margin-left: var(--spacing-sm);
}

/* Navigation Tabs */
.main-nav {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.nav-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.nav-tab:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
}

.nav-tab.active {
    background: var(--gradient-primary);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.tab-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.tab-label {
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.tab-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.nav-tab.active .tab-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color-hover);
}

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

.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-icon {
    padding: var(--spacing-sm);
    min-width: 36px;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn-danger {
    background: var(--accent-danger);
    color: var(--text-primary);
}

.btn-danger:hover {
    background: #ff5252;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--border-color-hover);
}

.card-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.card-icon {
    font-size: var(--font-size-xl);
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: calc(-1 * var(--spacing-md));
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Forms
   ============================================ */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ============================================
   Tab Content
   ============================================ */
.tab-content {
    display: none;
    animation: fadeIn var(--transition-base);
}

.tab-content.active {
    display: block;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* ============================================
   Stats Bar
   ============================================ */
.stats-bar {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* ============================================
   Camp Cards Grid
   ============================================ */
.camps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

/* Grid View (default) */
.camps-grid.grid-view {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

/* List View */
.camps-grid.list-view {
    grid-template-columns: 1fr;
}

.camps-grid.list-view .camp-card {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md);
}

.camps-grid.list-view .camp-card-header {
    margin-bottom: 0;
}

.camps-grid.list-view .camp-card-details {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: 0;
}

.camps-grid.list-view .camp-card-price {
    margin-bottom: 0;
    min-width: 80px;
    text-align: right;
}

.camps-grid.list-view .camp-card-actions {
    justify-content: flex-end;
}

.camp-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.camp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.camp-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.camp-card:hover::before {
    opacity: 1;
}

.camp-card.selected {
    border-color: var(--accent-success);
    box-shadow: 0 0 20px rgba(0, 184, 148, 0.2);
}

.camp-card.selected::before {
    background: var(--gradient-secondary);
    opacity: 1;
}

.camp-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.camp-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.camp-card-provider {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.camp-card-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.camp-card-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.camp-card-detail {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.camp-card-detail span:first-child {
    min-width: 20px;
}

.camp-card-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--accent-success);
    margin-bottom: var(--spacing-md);
}

.camp-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* ============================================
   View Toggle
   ============================================ */
.view-toggle {
    display: flex;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 2px;
}

.view-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-btn.active {
    background: var(--accent-primary);
    color: var(--text-primary);
}

/* ============================================
   Empty States
   ============================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.empty-hint {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* ============================================
   Filter Controls
   ============================================ */
.filter-controls {
    margin-bottom: var(--spacing-lg);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.filter-group label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.filter-group input,
.filter-group select {
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    min-width: 140px;
}

.date-range {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.date-range span {
    color: var(--text-tertiary);
}

/* ============================================
   Budget Card
   ============================================ */
.budget-controls {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.budget-summary {
    display: flex;
    gap: var(--spacing-xl);
}

.budget-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.budget-stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.budget-stat-value.spent {
    color: var(--accent-warning);
}

.budget-stat-value.remaining {
    color: var(--accent-success);
}

.budget-bar {
    height: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.budget-bar-fill {
    height: 100%;
    background: var(--gradient-secondary);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.budget-bar-fill.warning {
    background: var(--accent-warning);
}

.budget-bar-fill.danger {
    background: var(--accent-danger);
}

/* ============================================
   Gap Finder Timeline
   ============================================ */
.timeline-container {
    padding: var(--spacing-lg) 0;
}

.timeline-weeks {
    display: flex;
    gap: 2px;
    margin-bottom: var(--spacing-md);
}

.timeline-week {
    flex: 1;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.timeline-week.gap {
    background: rgba(255, 107, 107, 0.3);
    border: 1px dashed var(--accent-danger);
}

.timeline-week.covered {
    background: rgba(0, 184, 148, 0.3);
    border: 1px solid var(--accent-success);
}

.timeline-week.overlap {
    background: rgba(253, 203, 110, 0.3);
    border: 1px solid var(--accent-warning);
}

.timeline-week:hover {
    transform: scaleY(1.2);
}

.timeline-labels {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.timeline-legend {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.legend-item::before {
    content: '';
    width: 16px;
    height: 16px;
    border-radius: var(--radius-sm);
}

.legend-item.covered::before {
    background: rgba(0, 184, 148, 0.5);
    border: 1px solid var(--accent-success);
}

.legend-item.gap::before {
    background: rgba(255, 107, 107, 0.3);
    border: 1px dashed var(--accent-danger);
}

.legend-item.overlap::before {
    background: rgba(253, 203, 110, 0.3);
    border: 1px solid var(--accent-warning);
}

/* ============================================
   Data Table
   ============================================ */
.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table th.sortable {
    cursor: pointer;
    transition: color var(--transition-fast);
}

.data-table th.sortable:hover {
    color: var(--accent-primary);
}

.data-table th.sortable.asc::after {
    content: ' ▲';
}

.data-table th.sortable.desc::after {
    content: ' ▼';
}

.data-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.data-table td {
    font-size: var(--font-size-sm);
}

.results-count {
    font-weight: normal;
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

/* ============================================
   Calendar
   ============================================ */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.calendar-header h3 {
    font-size: var(--font-size-xl);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day-header {
    padding: var(--spacing-sm);
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.calendar-day {
    min-height: 80px;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calendar-day:hover {
    background: var(--bg-card-hover);
}

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day.today {
    border: 2px solid var(--accent-primary);
}

.calendar-day-number {
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.calendar-event {
    padding: 2px 6px;
    background: var(--accent-primary);
    border-radius: 4px;
    font-size: var(--font-size-xs);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calendar-event.conflict {
    background: var(--accent-danger);
}

/* ============================================
   Selected Camps List
   ============================================ */
.selected-camps-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.selected-camp-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--accent-success);
}

.selected-camp-item.conflict {
    border-left-color: var(--accent-danger);
    background: rgba(255, 107, 107, 0.1);
}

.selected-camp-info {
    flex: 1;
}

.selected-camp-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.selected-camp-dates {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ============================================
   Export Actions
   ============================================ */
.export-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.alert-warning {
    background: rgba(253, 203, 110, 0.1);
    border: 1px solid var(--accent-warning);
    color: var(--accent-warning);
}

.alert-icon {
    font-size: var(--font-size-xl);
}

.hidden {
    display: none !important;
}

/* ============================================
   Modal
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: auto;
    box-shadow: var(--shadow-lg);
    animation: modalIn var(--transition-base);
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

/* Import Dropzone */
.import-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.import-dropzone:hover,
.import-dropzone.dragover {
    border-color: var(--accent-primary);
    background: rgba(108, 92, 231, 0.05);
}

.dropzone-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.dropzone-hint {
    color: var(--text-muted);
    margin: var(--spacing-md) 0;
}

.import-info {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.import-info ul {
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-lg);
}

.import-info li {
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   Checkbox Styling
   ============================================ */
input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    body {
        background: white;
        color: black;
    }

    body::before {
        display: none;
    }

    .app-header,
    .main-nav,
    .form-card,
    .filter-controls,
    .budget-card,
    .export-actions,
    .modal,
    .camp-card-actions,
    .btn {
        display: none !important;
    }

    .card {
        border: 1px solid #ccc;
        background: white;
        box-shadow: none;
    }

    .calendar-day {
        background: #f5f5f5;
    }
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 768px) {
    .app-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .header-actions {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .main-nav {
        flex-direction: column;
    }

    .nav-tab {
        flex-direction: row;
        justify-content: flex-start;
        gap: var(--spacing-md);
    }

    .stats-bar {
        flex-direction: column;
    }

    .camps-grid {
        grid-template-columns: 1fr;
    }

    .filter-row {
        flex-direction: column;
    }

    .budget-controls {
        flex-direction: column;
    }

    .export-actions {
        flex-direction: column;
    }
}

/* ============================================
   Search Card
   ============================================ */
.search-card {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1) 0%, rgba(0, 206, 201, 0.1) 100%);
    border-color: var(--accent-primary);
}

.search-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
    flex-wrap: wrap;
}

.search-controls .form-group {
    flex: 1;
    min-width: 150px;
}

.search-hint {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

.search-hint code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
}

.server-status {
    font-size: var(--font-size-sm);
    font-weight: normal;
    margin-left: auto;
}

.status-online {
    color: var(--accent-success);
}

.status-offline {
    color: var(--accent-danger);
}

/* ============================================
   Search Results Modal
   ============================================ */
.modal-large {
    max-width: 800px;
}

.modal-footer {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    justify-content: flex-end;
}

.search-results-count {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.search-results-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.search-results-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.search-result-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.search-result-item:hover {
    border-color: var(--accent-primary);
}

.search-result-checkbox {
    display: flex;
    align-items: flex-start;
    padding-top: 4px;
}

.search-result-content {
    flex: 1;
}

.search-result-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.search-result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.search-result-meta .badge {
    background: var(--bg-card);
    padding: 2px 8px;
    border-radius: 4px;
}

.search-result-snippet {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.search-result-link {
    font-size: var(--font-size-sm);
    color: var(--accent-primary);
    text-decoration: none;
}

.search-result-link:hover {
    text-decoration: underline;
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

/* ============================================
   Batch Delete Styles
   ============================================ */
.camps-header {
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.batch-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.btn-danger {
    color: var(--accent-danger);
    opacity: 0.6;
    transition: all var(--transition-fast);
}

.btn-danger.has-selection {
    opacity: 1;
    background: rgba(255, 107, 107, 0.15);
    border-color: var(--accent-danger);
}

.btn-danger:hover {
    background: rgba(255, 107, 107, 0.2);
}

.camp-card-delete-checkbox {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 10;
}

.camp-card-delete-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-danger);
}

.camp-card {
    position: relative;
}

/* ============================================
   Collapsible Section Styles
   ============================================ */
.collapsible-header {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    transition: background var(--transition-fast);
    padding: var(--spacing-md);
    margin: calc(-1 * var(--spacing-lg));
    margin-bottom: 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.collapsible-header:hover {
    background: rgba(255, 255, 255, 0.03);
}

.collapse-icon {
    transition: transform var(--transition-normal);
    font-size: var(--font-size-sm);
    opacity: 0.6;
}

.collapsible-section.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.collapsible-section.collapsed .collapsible-header {
    margin-bottom: calc(-1 * var(--spacing-lg));
    border-radius: var(--radius-lg);
}

.collapsible-content {
    overflow: hidden;
    transition: max-height var(--transition-normal), opacity var(--transition-fast), padding var(--transition-fast);
    max-height: 2000px;
    opacity: 1;
    padding-top: var(--spacing-lg);
}

.collapsible-section.collapsed .collapsible-content {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
}

/* ============================================
   URL Scrape Section
   ============================================ */
.search-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.search-divider::before,
.search-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--glass-border);
}

.search-divider span {
    padding: 0 var(--spacing-md);
}

.url-scrape-section {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.url-scrape-section .form-group {
    flex: 1;
}

.url-scrape-section input {
    width: 100%;
}

/* Toggle Label for Filter Options */
.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    white-space: nowrap;
}

.toggle-label:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.toggle-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.toggle-label input[type="checkbox"]:checked+span {
    color: var(--accent-primary);
}

/* ============================================
   Stacked Multi-Month Calendar
   ============================================ */

.all-months-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.month-section {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.month-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    background: var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.calendar-day-header {
    background: var(--bg-tertiary);
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
}

.calendar-day {
    background: var(--bg-secondary);
    padding: var(--spacing-xs);
    min-height: 60px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.calendar-day.other-month {
    opacity: 0.4;
}

.calendar-day.today {
    background: var(--bg-tertiary);
    box-shadow: inset 0 0 0 2px var(--accent-primary);
}

.calendar-day .day-number {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.calendar-day .day-camps {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    overflow: hidden;
}

.calendar-day .camp-indicator {
    font-size: 0.65rem;
    padding: 2px 4px;
    border-radius: 3px;
    background: var(--accent-primary);
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calendar-day .camp-indicator.conflict {
    background: var(--accent-danger);
}

.calendar-header {
    margin-bottom: var(--spacing-lg);
}

.calendar-header h3 {
    text-align: center;
    font-size: var(--font-size-xl);
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}