/* css/style.css */
/* ============================================================
   DRONEMAP – ЕДИНЫЙ СТИЛЬ (ЛЕНДИНГ + ДАШБОРД)
   ============================================================ */

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
    --warning: #f59e0b;
    --bg: #f0f2f5;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --radius: 16px;
    --shadow: 0 8px 30px rgba(0,0,0,0.06);
    --shadow-hover: 0 12px 40px rgba(0,0,0,0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }

/* ---------- ОБЩИЕ ЭЛЕМЕНТЫ ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    font-size: 0.95rem;
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 10px 20px rgba(99,102,241,0.3); }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: var(--danger-hover); transform: translateY(-2px); }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #059669; transform: translateY(-2px); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: #f1f5f9; border-color: #cbd5e1; }
.btn-sm { padding: 8px 14px; font-size: 0.85rem; }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 32px; font-size: 1.1rem; }
.btn-hidden { visibility: hidden; }

/* ---------- ЛЕНДИНГ ---------- */
#landing-page {
    background: var(--bg);
}

.landing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}
.landing-header .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}
.landing-header nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.landing-header nav a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
}
.landing-header nav a:hover { color: var(--primary); }

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}
.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}
.hero-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}
.hero-image {
    flex-shrink: 0;
    width: 400px;
}
.hero-image img { max-width: 100%; }

.steps, .users, .why-us {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}
.steps h2, .users h2, .why-us h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    font-weight: 700;
}
.steps-grid, .users-grid, .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}
.step-card, .user-card, .feature-item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}
.step-card:hover, .user-card:hover, .feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}
.step-icon, .user-card i, .feature-item i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}
.step-card h3, .user-card h3, .feature-item h3 {
    margin-bottom: 0.5rem;
}
.step-card p, .user-card p, .feature-item p {
    color: var(--text-secondary);
}

.landing-footer {
    background: var(--card-bg);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
.landing-footer a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 1.5rem;
}
.landing-footer a:hover { color: var(--primary); }

/* ---------- МОДАЛЬНОЕ ОКНО (АВТОРИЗАЦИЯ + СОЗДАНИЕ ПРОЕКТА) ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}
.modal-content {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 2rem;
    max-width: 460px;
    width: 100%;
    box-shadow: 0 25px 60px rgba(0,0,0,0.2);
}

/* ---------- ФОРМЫ АВТОРИЗАЦИИ (внутри модалки) ---------- */
.login-illustration { text-align: center; margin-bottom: 1rem; }
.login-illustration svg { width: 120px; height: auto; }
.login-card h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-weight: 700;
    font-size: 1.8rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.form-group { margin-bottom: 1.2rem; }
.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    transition: var(--transition);
    background: #f9fafb;
}
.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.15);
    background: white;
}
.error-msg { color: var(--danger); font-size: 0.85rem; margin-top: 0.5rem; text-align: center; }
.success-msg { color: var(--success); font-size: 0.85rem; margin-top: 0.5rem; text-align: center; }
.auth-toggle { text-align: center; margin-top: 1.2rem; font-size: 0.9rem; }
.auth-toggle a { color: var(--primary); text-decoration: none; font-weight: 600; }

/* ---------- ДАШБОРД ---------- */
#dashboard-page {
    padding: 30px 20px;
    max-width: 1300px;
    margin: 0 auto;
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    background: var(--card-bg);
    padding: 1rem 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.navbar h2 {
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.navbar-actions { display: flex; gap: 0.75rem; }

/* Таблица проектов */
.project-list-header {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 4fr;
    gap: 1rem;
    padding: 1rem 2rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--card-bg);
    border-radius: var(--radius) var(--radius) 0 0;
    box-shadow: var(--shadow);
    margin-bottom: -1px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.project-item {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 4fr;
    gap: 1rem;
    padding: 1.2rem 2rem;
    align-items: center;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.project-item:last-child { border-radius: 0 0 var(--radius) var(--radius); }
.project-item:hover { background: #f8fafc; }
.project-item .name { font-weight: 600; }
.project-item .date { color: var(--text-secondary); font-size: 0.9rem; }
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}
.status-processing { background: #fef3c7; color: #92400e; }
.status-ready { background: #d1fae5; color: #065f46; }
.status-error { background: #fee2e2; color: #991b1b; }
.project-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-top: -1px;
}
.empty-state svg { width: 200px; margin-bottom: 1.5rem; opacity: 0.8; }
.empty-state h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.empty-state p { color: var(--text-secondary); margin-bottom: 2rem; }

/* Чекбоксы */
.processing-options { display: flex; flex-direction: column; gap: 0.8rem; margin: 1.2rem 0; }
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-left: 28px;
}
.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}
.checkmark {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 18px;
    width: 18px;
    border: 2px solid var(--border);
    border-radius: 4px;
    background: white;
    transition: var(--transition);
}
.checkbox-label:hover .checkmark { border-color: var(--primary); }
.checkbox-label input:checked ~ .checkmark {
    background: var(--primary);
    border-color: var(--primary);
}
.checkmark::after {
    content: "";
    position: absolute;
    display: none;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.checkbox-label input:checked ~ .checkmark::after { display: block; }

/* Прогресс-бар загрузки */
.upload-area {
    border: 2px dashed var(--border);
    padding: 2rem;
    text-align: center;
    border-radius: 16px;
    cursor: pointer;
    margin: 1rem 0;
    transition: var(--transition);
}
.upload-area:hover, .upload-area.dragover { background: #eef2ff; border-color: var(--primary); }
.upload-area p { color: var(--text-secondary); font-size: 0.95rem; display: flex; align-items: center; justify-content: center; gap: 0.5rem; }
.progress-bar { height: 8px; background: #e5e7eb; border-radius: 4px; margin: 1rem 0; overflow: hidden; }
.progress-fill { height: 100%; width: 0%; background: var(--primary); transition: width 0.3s; border-radius: 4px; }

/* GCP блок */
#gcp-upload-section .upload-area { padding: 1.5rem; margin: 0.5rem 0 0 0; }

/* ---------- ПОЛНОЭКРАННЫЙ ПРОСМОТР ---------- */
.fullscreen-viewer {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.95);
    backdrop-filter: blur(12px);
    z-index: 2000;
    display: flex;
    flex-direction: column;
}
.fullscreen-header {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
    display: flex;
    gap: 0.75rem;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    padding: 10px 16px;
    border-radius: 40px;
}
.fullscreen-header .btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-weight: 500;
}
.fullscreen-header .btn:hover { background: rgba(255,255,255,0.35); }
.fullscreen-content {
    flex: 1;
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}
.fullscreen-content canvas {
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(0, 0) scale(1);
    transform-origin: 0 0;
    cursor: grab;
}
.fullscreen-content canvas:active { cursor: grabbing; }
#model-container { width: 100%; height: 100%; }

/* ---------- ПАНЕЛЬ УПРАВЛЕНИЯ КАРТОЙ (ОРТО) ---------- */
.orthomap-controls-left {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}
.orthomap-controls-right {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}
.orthomap-control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: white;
    border-radius: 8px;
    padding: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border: 1px solid #e0e0e0;
}
.orthomap-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: white;
    border: 1px solid #d0d0d0;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: #333;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.orthomap-btn:hover { background: #f8f9fa; border-color: #007bff; color: #007bff; }
.orthomap-btn:active { background: #e9ecef; }
.orthomap-btn.active { background: #007bff; border-color: #007bff; color: white; }
.orthomap-btn.active:hover { background: #0056b3; }
.orthomap-btn-icon { padding: 10px; justify-content: center; }
.orthomap-btn-close {
    background: white;
    border: 1px solid #d0d0d0;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.orthomap-btn-close:hover { background: #dc3545; border-color: #dc3545; color: white; }
#download-ortho-btn i {
    font-size: 16px;
}

/* Кнопка редактирования в оверлее */
.measure-edit-btn {
    background: transparent;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    transition: all 0.2s ease;
    pointer-events: auto;
    margin-left: 4px;
}
.measure-edit-btn:hover {
    background: #4a90e2;
    color: white;
    transform: scale(1.1);
}
.measure-edit-btn i {
    font-size: 11px;
    pointer-events: none;
}

/* Скрытая текстовая подпись (показывается при наличии) */
.measure-label-text {
    font-size: 11px;
    color: #555;
    margin-left: 4px;
    white-space: nowrap;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.measure-label-text:not(.hidden) {
    display: inline-block;
}

/* Цветной кружок */
.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}
.hidden-color-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 0;
    height: 0;
}
.color-swatch {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--border);
    cursor: pointer;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}
.color-swatch:hover {
    transform: scale(1.1);
    border-color: var(--primary);
}

/* Кастомный select */
.custom-select {
    position: relative;
    width: 100%;
}
.custom-select select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: white;
    font-size: 0.95rem;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    cursor: pointer;
}
.custom-select select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.15);
}

.measure-label {
    cursor: grab;
    user-select: none; /* чтобы текст не выделялся при перетаскивании */
}
.measure-label:active {
    cursor: grabbing;
}

.exporting-ortho #ortho-map {
    background: white !important;
}

/* Селект выбора проекции */
.orthomap-select {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid #d0d0d0;
    border-radius: 6px;
    font-size: 13px;
    background: white;
    color: #333;
    cursor: pointer;
    transition: border-color 0.2s;
}
.orthomap-select:focus {
    border-color: #007bff;
    outline: none;
}

/* ---------- ЛЕЙБЛЫ ИЗМЕРЕНИЙ ---------- */
.measure-label {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border: 2px solid #4a90e2;
    border-radius: 6px;
    padding: 6px 10px 6px 12px;
    font-size: 13px;
    font-weight: 600;
    color: #333;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: auto;
    user-select: none;
}
.measure-text { pointer-events: none; }
.measure-delete-btn {
    background: transparent;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    transition: all 0.2s ease;
}
.measure-delete-btn:hover { background: #ff4444; color: white; transform: scale(1.1); }

/* Оверлей лоадера (центрирован по всему экрану) */
.loader-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    pointer-events: none; /* чтобы не блокировать клики, если нужно */
}

/* Обёртка подсказки */
.tooltip-wrap {
    display: inline-flex;
    align-items: center;
    position: relative;
    margin-left: 6px;
    cursor: help;
}

.tooltip-wrap i {
    color: #94a3b8;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.tooltip-wrap:hover i {
    color: var(--primary);
}

/* Текст тултипа */
.tooltip-text {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: var(--text);
    color: white;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.82rem;
    line-height: 1.4;
    white-space: normal;
    width: 220px;
    text-align: center;
    font-weight: 400;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
    z-index: 9999;
    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}

.tooltip-wrap:hover .tooltip-text {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Маленький треугольник снизу тултипа (опционально) */
.tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--text);
}

/* Чтобы тултип не обрезался в модалке */
.modal-content {
    overflow: visible;
}

/* ===== Пример работы ===== */
.example-section {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.example-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 700;
}

/* Вкладки примера */
.example-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.example-tab {
    padding: 10px 24px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--card-bg);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.example-tab:hover {
    background: #eef2ff;
    border-color: var(--primary);
    color: var(--primary);
}

.example-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Контейнер просмотрщика */
.example-viewer {
    text-align: center;
}

#example-ortho-map {
    width: 100%;
    height: 700px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    background: #f0f0f0;
}

#example-model-container {
    width: 100%;
    height: 700px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    background: #333;
    position: relative;
    overflow: hidden;
}

/* Обёртка поля с датой */
.datepicker-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.datepicker-input {
    width: 100%;
    padding: 12px 40px 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    background: #f9fafb;
    cursor: pointer;
    transition: var(--transition);
}

.datepicker-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.15);
    background: white;
}

.datepicker-icon {
    position: absolute;
    right: 14px;
    color: var(--text-secondary);
    pointer-events: none;
}

/* Оверлей лоадера (центрирован по всему экрану) */
.loader-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    pointer-events: none;
}

/* Карусель */
.example-carousel {
    position: relative;
    width: 100%;
    margin-bottom: 2rem;
}

.carousel-viewport {
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.carousel-track {
    display: flex;
    gap: 12px;                /* промежуток между фото */
    transition: transform 0.4s ease;
}

.carousel-track img {
    width: 300px;
    height: 200px;
    object-fit: cover;
    flex-shrink: 0;
    border-radius: 8px;       /* лёгкое скругление, чтобы смягчить края */
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.85);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transition: background 0.2s;
}

.carousel-btn:hover {
    background: white;
}

.carousel-btn.prev { left: 10px; }
.carousel-btn.next { right: 10px; }

/* Раскрывающийся список версий */
.project-item {
    cursor: pointer;
    user-select: none;
}
.project-item .expand-icon {
    margin-right: 8px;
    transition: transform 0.2s;
    display: inline-block;
}
.project-item.expanded .expand-icon {
    transform: rotate(90deg);
}
.version-list {
    display: none;
    padding: 0 2rem 1rem 2rem;
    background: #f9fafb;
    border-bottom: 1px solid var(--border);
}
.version-list.open {
    display: block;
}
.version-item {
    display: grid;
    grid-template-columns: 2fr 1fr 3fr;
    gap: 1rem;
    padding: 0.8rem 0;
    align-items: center;
    border-bottom: 1px dashed #e2e8f0;
}
.version-item:last-child {
    border-bottom: none;
}
.version-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.version-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.version-header {
    display: grid;
    grid-template-columns: 2fr 1fr 3fr;
    gap: 1rem;
    padding: 0.5rem 0;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.5rem;
}

/* Превью ортофотоплана */
.ortho-preview {
    text-align: center;
}

.ortho-preview-img {
    max-width: 100%;
    max-height: 500px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    cursor: zoom-in;
    transition: transform 0.2s;
}

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

.ortho-caption {
    margin-top: 0.8rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Лайтбокс (полноэкранный просмотр ортофотоплана) */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: zoom-out;
}

.lightbox img {
    max-width: 95vw;
    max-height: 95vh;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

#version-slider {
    -webkit-appearance: none;
    height: 6px;
    background: #d0d0d0;
    border-radius: 3px;
    outline: none;
}
#version-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
}

/* Панель версий */
.version-bar {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 12px 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 300px;
}

.version-bar-header {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

.version-bar-slider {
    position: relative;
    width: 100%;
}

#version-slider {
    width: 100%;
    -webkit-appearance: none;
    height: 6px;
    background: linear-gradient(to right, var(--primary) 0%, var(--primary) 0%, #e0e0e0 0%, #e0e0e0 100%);
    border-radius: 3px;
    outline: none;
}

#version-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.version-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-size: 11px;
    color: var(--text-secondary);
}

/* Меню пользователя */
.user-menu {
    position: relative;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    padding: 8px;
    min-width: 160px;
    z-index: 100;
}

.user-dropdown .btn {
    width: 100%;
    justify-content: flex-start;
}

/* Стрелка поворачивается при открытии */
#user-menu-btn.active .fa-chevron-down {
    transform: rotate(180deg);
}

/* ---------- АДАПТИВ ---------- */
@media (max-width: 768px) {
    .hero { flex-direction: column; text-align: center; }
    .hero-content h1 { font-size: 2rem; }
    .landing-header { flex-wrap: wrap; justify-content: center; gap: 1rem; }
    .landing-header nav { flex-wrap: wrap; justify-content: center; }
    .project-list-header, .project-item { grid-template-columns: 1fr; text-align: center; }
    .project-item .project-actions { justify-content: center; }
    .navbar { flex-direction: column; gap: 1rem; }
    .fullscreen-header { top: 10px; left: 10px; gap: 0.5rem; }
    .orthomap-controls-left, .orthomap-controls-right { top: 10px; }
}