/* ===== DARK THEME (default) ===== */
:root,
[data-theme="dark"] {
    --primary: #0EA5E9;
    --primary-dark: #0284C7;
    --secondary: #8B5CF6;
    --accent: #F59E0B;
    --success: #10B981;
    --danger: #EF4444;
    --dark: #0F172A;
    --dark-lighter: #1E293B;
    --dark-card: #334155;
    --text: #F1F5F9;
    --text-muted: #94A3B8;
    --border: #475569;
    --bg: linear-gradient(135deg, #0F172A 0%, #1a2332 100%);
    --card-bg: rgba(30, 41, 59, 0.6);
    --header-bg: rgba(15, 23, 42, 0.8);
    --input-bg: rgba(15, 23, 42, 0.6);
    --upload-bg: rgba(15, 23, 42, 0.4);
    --step-bg: rgba(15, 23, 42, 0.4);
    --upload-zone-border: #475569;
    --upload-zone-color: #F1F5F9;
}

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
    --primary: #0284C7;
    --primary-dark: #0369A1;
    --secondary: #7C3AED;
    --accent: #D97706;
    --success: #059669;
    --danger: #DC2626;
    --dark: #F8FAFC;
    --dark-lighter: #F1F5F9;
    --dark-card: #E2E8F0;
    --text: #0F172A;
    --text-muted: #64748B;
    --border: #CBD5E1;
    --bg: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    --card-bg: rgba(255, 255, 255, 0.9);
    --header-bg: rgba(248, 250, 252, 0.9);
    --input-bg: rgba(241, 245, 249, 0.8);
    --upload-bg: rgba(240, 249, 255, 0.6);
    --step-bg: rgba(241, 245, 249, 0.6);
    --upload-zone-border: #7dd3fc;
    --upload-zone-color: #0F172A;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

/* ===== HEADER ===== */
.header {
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.theme-toggle:hover {
    border-color: var(--primary);
    box-shadow: 0 0 12px rgba(14, 165, 233, 0.3);
    transform: rotate(20deg) scale(1.1);
}

/* ===== STATS ===== */
.stats {
    display: flex;
    gap: 2rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.stat-value {
    color: var(--primary);
    font-weight: 600;
    font-size: 1.125rem;
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeIn 0.6s ease 0.2s both;
}

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

/* ===== CONTROLS ROW (below map/upload) ===== */
.controls-row {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

.controls-card {
    height: 100%;
}

.controls-card--wide {
    /* takes the 2fr slot */
}

.metadata-inline {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.metadata-inline .form-group {
    margin-bottom: 0;
}

/* ===== CARD ===== */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.1);
}

.card-header {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text);
}

/* ===== MAP + UPLOAD SIDE BY SIDE ===== */
.map-upload-card {
    padding: 1.5rem;
}

.map-upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: stretch;
}

.map-section,
.upload-section {
    display: flex;
    flex-direction: column;
}

#map {
    height: 480px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    flex: 1;
}

/* ===== UPLOAD ZONE ===== */
.upload-zone {
    border: 2px dashed var(--upload-zone-border);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--upload-bg);
    color: var(--upload-zone-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 480px;
    gap: 0.5rem;
}

.upload-zone:hover {
    border-color: var(--primary);
    background: rgba(14, 165, 233, 0.08);
}

.upload-zone.dragover {
    border-color: var(--secondary);
    background: rgba(139, 92, 246, 0.12);
    transform: scale(1.02);
}

[data-theme="light"] .upload-zone {
    background: rgba(14, 165, 233, 0.08);
    border-color: #38bdf8;
}

[data-theme="light"] .upload-zone:hover {
    background: rgba(14, 165, 233, 0.15);
    border-color: var(--primary);
}

.upload-icon-wrap {
    color: var(--upload-zone-color);
    margin-bottom: 0.5rem;
    opacity: 0.85;
}

.upload-icon-wrap svg {
    display: block;
}

.upload-text {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--upload-zone-color);
}

.upload-formats {
    font-weight: 600;
    color: var(--upload-zone-color);
}

.upload-or {
    color: var(--upload-zone-color);
    opacity: 0.7;
}

/* ===== PHOTO GRID ===== */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    max-height: 400px;
    overflow-y: auto;
    padding: 0.5rem;
}

.photo-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.photo-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.photo-item.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25);
}

.photo-item.has-metadata {
    border-color: var(--success);
}

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

/* ===== CHECKBOX ON IMAGES ===== */
.photo-checkbox {
    position: absolute;
    top: 0.4rem;
    left: 0.4rem;
    width: 22px;
    height: 22px;
    border-radius: 5px;
    border: 2px solid rgba(255,255,255,0.7);
    background: rgba(0,0,0,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 2;
    backdrop-filter: blur(2px);
}

.photo-item:not(.selected) .photo-checkbox {
    opacity: 0;
}

.photo-item:hover .photo-checkbox,
.photo-item.selected .photo-checkbox {
    opacity: 1;
}

.photo-item.selected .photo-checkbox {
    background: var(--primary);
    border-color: var(--primary);
}

.photo-checkbox-check {
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1;
    display: none;
}

.photo-item.selected .photo-checkbox-check {
    display: block;
}

/* ===== PHOTO BADGES ===== */
.photo-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.photo-badge.heic { background: var(--accent); }
.photo-badge.success { background: var(--success); }

/* ===== SIDEBAR ===== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-input {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

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

textarea.form-input {
    resize: vertical;
    min-height: 80px;
    font-family: 'Outfit', sans-serif;
}

.coord-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.search-box {
    display: flex;
    gap: 0.5rem;
}

.search-box input { flex: 1; }

/* ===== BUTTONS ===== */
.btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(14, 165, 233, 0.3);
}

.btn:active { transform: translateY(0); }

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-warning {
    background: linear-gradient(135deg, var(--accent) 0%, #D97706 100%);
    color: white;
}

.photo-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
    flex-wrap: wrap;
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    background: rgba(14, 165, 233, 0.1);
    border-color: var(--primary);
    box-shadow: none;
}

.btn-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.btn-full { width: 100%; }

/* ===== ALERTS ===== */
.alert {
    position: fixed;
    top: 5rem;
    right: 2rem;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 2000;
    animation: slideIn 0.3s ease;
    max-width: 400px;
    color: var(--text);
}

@keyframes slideIn {
    from { transform: translateX(400px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.alert.success { border-left: 4px solid var(--success); }
.alert.info { border-left: 4px solid var(--primary); }
.alert.danger { border-left: 4px solid var(--danger); }

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    transition: width 0.3s ease;
}

/* ===== FORMAT SELECTOR ===== */
.format-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.format-option {
    padding: 0.75rem;
    background: var(--input-bg);
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
    font-weight: 600;
    color: var(--text);
    font-size: 0.8rem;
}

.format-option:hover { border-color: var(--primary); }

.format-option.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-color: var(--primary);
    color: white;
}

.format-info {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: var(--step-bg);
    border-radius: 8px;
    border-left: 3px solid var(--primary);
}

/* ===== FOOTER SECTIONS ===== */
.footer-sections {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.info-section {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.info-section:hover { border-color: var(--primary); }

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
}

.step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--step-bg);
    border-radius: 8px;
    border-left: 3px solid var(--primary);
}

.step-number {
    min-width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    color: white;
}

.step-content h4 {
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.step-content p {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
}

.faq-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--step-bg);
    border-radius: 8px;
    border-left: 3px solid var(--secondary);
}

.faq-question {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.faq-answer {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
}

.verification-box {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.verification-box h4 {
    color: var(--success);
    margin-bottom: 0.5rem;
}

.verification-box ul { margin-left: 1.5rem; margin-top: 0.5rem; }

.verification-box li {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .map-upload-grid {
        grid-template-columns: 1fr;
    }
    #map, .upload-zone {
        min-height: 320px;
        height: 320px;
    }
    .controls-row {
        grid-template-columns: 1fr 1fr;
    }
    .controls-card--wide {
        grid-column: 1 / -1;
    }
}

@media (max-width: 1024px) {
    .controls-row {
        grid-template-columns: 1fr;
    }
    .footer-sections {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .header-content {
        flex-wrap: wrap;
        gap: 1rem;
    }
    .stats {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    .map-upload-grid {
        grid-template-columns: 1fr;
    }
}