/* JeepDucky Mobile-First CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --color-yellow: #FFD700;
    --color-black: #1a1a1a;
    --color-charcoal: #3d3d3d;
    --color-white: #ffffff;
    --color-gray: #f0f0f0;
    --color-text: #1a1a1a;
    --color-border: #e0e0e0;
    --color-orange: #FF8C00;
    --color-olive: #808000;
    --color-error: #dc3545;
    --color-success: #28a745;
    --color-warning: #ffc107;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

html, body {
    height: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
}

main {
    flex: 1;
}

/* Container */
.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* Navigation Bar */
.navbar {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
    flex-wrap: wrap;
}

.navbar-brand {
    font-size: var(--font-size-xl);
    font-weight: bold;
    color: var(--color-yellow);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 100px;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-weight: bold;
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: flex-end;
    flex: 1;
}

.nav-link {
    color: var(--color-white);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-small);
    transition: background-color 0.2s;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link:active {
    background-color: var(--color-charcoal);
}

.nav-link.admin-link {
    background-color: var(--color-orange);
    color: var(--color-black);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-weight: bold;
    color: var(--color-black);
}

h1 {
    font-size: var(--font-size-2xl);
}

h2 {
    font-size: var(--font-size-xl);
}

h3 {
    font-size: var(--font-size-large);
}

/* Links */
a {
    color: var(--color-charcoal);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.link {
    color: var(--color-charcoal);
    text-decoration: underline;
    cursor: pointer;
}

/* Sections */
section {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-gray);
    border-radius: var(--radius-md);
}

section.stats-section,
section.quick-stats,
section.admin-stats {
    background-color: transparent;
    padding: 0;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-charcoal) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    color: var(--color-yellow);
    margin-bottom: var(--spacing-md);
}

.subtitle {
    font-size: var(--font-size-large);
    color: #ccc;
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-charcoal);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-base);
    text-decoration: none;
    text-align: center;
    transition: background-color 0.2s, transform 0.1s;
    font-weight: 500;
    white-space: nowrap;
}

.btn:hover,
.btn:active {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background-color: var(--color-yellow);
    color: var(--color-black);
    font-weight: bold;
}

.btn-primary:hover,
.btn-primary:active {
    background-color: #ffc700;
}

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

.btn-secondary:hover,
.btn-secondary:active {
    background-color: var(--color-black);
}

.btn-small {
    padding: 6px 12px;
    font-size: var(--font-size-small);
    border-radius: var(--radius-sm);
}

.btn-block {
    display: block;
    width: 100%;
    margin-bottom: var(--spacing-md);
}

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

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

.btn-danger:hover,
.btn-danger:active {
    background-color: #c82333;
}

/* Forms */
.form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
}

.form-row .form-group {
    flex: 1;
}

label {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

input,
textarea,
select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    width: 100%;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-charcoal);
    box-shadow: 0 0 0 3px rgba(61, 61, 61, 0.1);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

small {
    font-size: var(--font-size-small);
    color: #666;
    display: block;
    margin-top: var(--spacing-xs);
}

/* Alerts */
.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-charcoal);
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border-left-color: var(--color-error);
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left-color: var(--color-success);
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left-color: var(--color-warning);
}

/* Cards */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.feature-grid,
.ducks-grid,
.photos-grid,
.stats-grid,
.links-grid,
.photos-admin-grid,
.ducks-leaderboard {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 600px) {
    .feature-grid,
    .ducks-grid,
    .photos-grid,
    .stats-grid,
    .links-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .ducks-leaderboard {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 900px) {
    .feature-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card,
.duck-card,
.stat-card,
.link-card,
.photo-card,
.duck-leaderboard-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover,
.duck-card:hover,
.link-card:hover,
.photo-card:hover,
.duck-leaderboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: var(--color-yellow);
}

.stat-label {
    font-size: var(--font-size-small);
    color: #666;
    margin-top: var(--spacing-sm);
}

/* Duck Card */
.duck-card {
    display: flex;
    flex-direction: column;
}

.duck-card-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.serial-badge {
    display: inline-block;
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-small);
    font-family: monospace;
    margin-top: var(--spacing-sm);
}

.serial-badge.large {
    font-size: var(--font-size-large);
    padding: 8px 16px;
}

.duck-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
}

.duck-stats .stat {
    text-align: center;
    flex: 1;
}

.duck-stats .stat-value {
    display: block;
    font-size: 24px;
    font-weight: bold;
    color: var(--color-yellow);
}

.duck-stats .stat-name {
    display: block;
    font-size: var(--font-size-small);
    color: #666;
}

.duck-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.duck-actions .btn {
    flex: 1;
}

/* Photos Grid */
.photo-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    display: block;
}

.photo-date {
    font-size: var(--font-size-small);
    color: #666;
    margin-top: var(--spacing-sm);
}

.photo-preview {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.photo-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-border);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.timeline-marker {
    position: absolute;
    left: -32px;
    top: 0;
    width: 24px;
    height: 24px;
    background-color: var(--color-white);
    border: 2px solid var(--color-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.timeline-content {
    background-color: var(--color-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.timeline-type {
    font-weight: bold;
    color: var(--color-black);
}

.timeline-location {
    font-size: var(--font-size-large);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.timeline-finder {
    font-size: var(--font-size-small);
    margin-top: var(--spacing-sm);
    color: #666;
}

.timeline-date {
    font-size: var(--font-size-small);
    color: #666;
    margin-top: var(--spacing-sm);
}

/* States */
.states-list {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.state-badge {
    display: inline-block;
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-small);
}

/* Leaderboard */
.leaderboard-table,
.admin-table {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

.leaderboard-header,
.table-header {
    display: grid;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-black);
    color: var(--color-white);
    font-weight: bold;
    position: sticky;
    top: 60px;
}

.table-header {
    grid-template-columns: 2fr 2fr 1fr 1fr 1fr 1fr;
}

@media (max-width: 600px) {
    .table-header {
        grid-template-columns: 1fr 1fr;
    }
}

.leaderboard-row,
.table-row {
    display: grid;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    align-items: center;
}

.table-row {
    grid-template-columns: 2fr 2fr 1fr 1fr 1fr 1fr;
}

@media (max-width: 600px) {
    .table-row {
        grid-template-columns: 1fr 1fr;
    }
}

.leaderboard-row:hover,
.table-row:hover {
    background-color: var(--color-gray);
}

.rank {
    font-size: var(--font-size-xl);
    font-weight: bold;
    text-align: center;
}

.name {
    font-weight: 600;
}

.stat {
    text-align: right;
}

.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-small);
    font-weight: 600;
}

.badge-admin {
    background-color: var(--color-orange);
    color: var(--color-black);
}

.badge-user {
    background-color: #007bff;
    color: var(--color-white);
}

.badge-banned {
    background-color: var(--color-error);
    color: var(--color-white);
}

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

/* Forms */
.form-section {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 400px;
    margin: var(--spacing-lg) auto;
}

.admin-form {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

legend {
    padding: 0 var(--spacing-sm);
    font-weight: 600;
    font-size: var(--font-size-large);
}

/* Text utilities */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: #999;
}

.small-text {
    font-size: var(--font-size-small);
    color: #666;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: #999;
}

/* Sections */
.welcome-section,
.page-header,
.admin-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    background-color: transparent;
    padding: 0;
}

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background-color: transparent;
    padding: 0;
}

.admin-section {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

.admin-quick-links,
.admin-activity {
    background-color: transparent;
    padding: 0;
}

.link-card {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.link-icon {
    font-size: 32px;
}

.link-title {
    font-weight: 600;
    font-size: var(--font-size-large);
}

.link-desc {
    font-size: var(--font-size-small);
    color: #666;
}

.activity-list {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.activity-item {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    align-items: center;
    font-size: var(--font-size-small);
}

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

.activity-user {
    font-weight: 600;
}

.activity-action {
    color: #666;
}

.activity-time {
    text-align: right;
    color: #999;
}

.duck-info-card {
    background-color: var(--color-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--color-yellow);
}

.duck-info-card h3 {
    margin-top: 0;
}

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

.duck-badge {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.duck-owner {
    font-size: var(--font-size-small);
    color: #666;
}

.duck-serial {
    font-size: var(--font-size-small);
    color: #666;
}

.duck-leaderboard-info {
    flex: 1;
}

.duck-leaderboard-stats {
    display: flex;
    gap: var(--spacing-md);
}

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

.rank-badge {
    font-size: 24px;
    text-align: center;
    min-width: 40px;
}

/* Pagination */
.pagination {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.page-info {
    font-size: var(--font-size-small);
    color: #666;
}

/* Footer */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    margin-top: var(--spacing-xl);
    border-top: 4px solid var(--color-yellow);
}

.footer p {
    margin: var(--spacing-sm) 0;
}

/* Disclaimer */
.disclaimer {
    background-color: #fff9e6;
    border: 1px solid #ffe680;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-small);
}

.info-section {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

/* Logo preview */
.logo-preview {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-gray);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

/* Tabs */
.tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
    background-color: transparent;
    padding: 0;
}

.tab-btn {
    background-color: transparent;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: #666;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: color 0.2s, border-color 0.2s;
}

.tab-btn:hover {
    color: var(--color-black);
}

.tab-btn.active {
    color: var(--color-black);
    border-bottom-color: var(--color-yellow);
}

/* Responsive */
@media (max-width: 600px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar-brand {
        width: 100%;
    }

    .navbar-menu {
        width: 100%;
    }

    .nav-link {
        padding: var(--spacing-sm);
        font-size: var(--font-size-small);
    }

    .hero-buttons,
    .duck-actions {
        flex-direction: column;
    }

    .btn-block {
        width: 100%;
    }

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

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

    .ducks-grid,
    .photos-grid {
        grid-template-columns: 1fr;
    }

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

    .timeline {
        padding-left: var(--spacing-lg);
    }

    .timeline-marker {
        left: -28px;
    }
}

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