/* =============================================================
   styles.css — Стили приложения «Сверка выручки водителей»
   ============================================================= */

/* ---------- Переменные и тема ---------- */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #a5b4fc;
    --bg-start: #4f46e5;
    --bg-end: #7c3aed;
    --surface: #ffffff;
    --surface-alt: #f8fafc;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --success: #10b981;
    --success-bg: #d1fae5;
    --success-text: #065f46;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --warning-text: #92400e;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --danger-text: #991b1b;
    --radius: 16px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-start: #111827;
    --bg-end: #1e293b;
    --surface: #1f2937;
    --surface-alt: #111827;
    --text: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --border: #374151;
    --success-bg: #064e3b;
    --success-text: #6ee7b7;
    --warning-bg: #78350f;
    --warning-text: #fcd34d;
    --danger-bg: #7f1d1d;
    --danger-text: #fca5a5;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
        'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(160deg, var(--bg-start) 0%, var(--bg-end) 50%, #a855f7 100%);
    min-height: 100vh;
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Контейнер ---------- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
    position: relative;
    z-index: 1;
}

/* ---------- Hero ---------- */
.hero {
    text-align: center;
    padding: 2rem 1rem 3rem;
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.hero-subtitle {
    font-size: 1.05rem;
    opacity: 0.9;
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---------- Статус-бар ---------- */
.status-bar {
    background: var(--surface);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: slideIn 0.3s ease;
    border-left: 4px solid var(--primary);
}

.status-info {
    border-left-color: var(--primary);
    color: var(--text);
}

.status-success {
    border-left-color: var(--success);
    color: var(--success-text);
    background: var(--success-bg);
}

.status-warning {
    border-left-color: var(--warning);
    color: var(--warning-text);
    background: var(--warning-bg);
}

.status-error {
    border-left-color: var(--danger);
    color: var(--danger-text);
    background: var(--danger-bg);
}

/* ---------- Карточки ---------- */
.card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.card:hover {
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.card-head {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border);
    background: var(--surface-alt);
}

.step-badge {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--bg-end));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.card-head h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

.card-body {
    padding: 2rem;
}

/* ---------- Dropzone ---------- */
.dropzone {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--surface-alt);
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--primary);
    background: #eef2ff;
    transform: scale(1.01);
}

[data-theme="dark"] .dropzone:hover,
[data-theme="dark"] .dropzone.dragover {
    background: #1e1b4b;
}

.dropzone.dragover {
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.dropzone-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 1.25rem;
    background: linear-gradient(135deg, #eef2ff, #e0e7ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition);
}

[data-theme="dark"] .dropzone-icon {
    background: linear-gradient(135deg, #312e81, #4338ca);
}

.dropzone:hover .dropzone-icon {
    transform: scale(1.1);
}

.dropzone-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.dropzone-hint {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 450px;
    margin: 0 auto;
}

/* ---------- Список файлов ---------- */
.file-list {
    margin-top: 1.5rem;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--surface-alt);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
    border: 1px solid var(--border);
    animation: slideIn 0.3s ease;
}

.file-item.file-error {
    border-color: var(--danger);
    background: var(--danger-bg);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.file-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.file-icon.vedomost {
    background: #dbeafe;
}

[data-theme="dark"] .file-icon.vedomost {
    background: #1e3a5f;
}

.file-icon.transaction {
    background: #fef3c7;
}

[data-theme="dark"] .file-icon.transaction {
    background: #5c3d0e;
}

.file-info {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-type {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.file-remove {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.file-remove:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ---------- Кнопки ---------- */
.actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1.75rem;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--bg-end));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1.5px solid var(--border);
}

.btn-outline:hover:not(:disabled) {
    background: var(--surface-alt);
    border-color: var(--text-muted);
}

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-export {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.btn-export:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-theme {
    background: linear-gradient(135deg, #94a3b8, #64748b);
    color: white;
}

.btn-theme:hover:not(:disabled) {
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* ---------- Прогресс-бар ---------- */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 1rem;
    display: none;
}

.progress-bar.active {
    display: block;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--bg-end));
    border-radius: 2px;
    width: 0%;
}

/* ---------- Таблицы ---------- */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead {
    background: var(--surface-alt);
}

th,
td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

th {
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    user-select: none;
}

th[data-key]::after {
    content: ' ↕';
    opacity: 0.3;
    font-size: 0.75rem;
}

th.sort-asc::after {
    content: ' ↑';
    opacity: 1;
    color: var(--primary);
}

th.sort-desc::after {
    content: ' ↓';
    opacity: 1;
    color: var(--primary);
}

tbody tr:hover {
    background: var(--surface-alt);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* ---------- Бейджи ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.65rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-ok {
    background: var(--success-bg);
    color: var(--success-text);
}

.badge-warn {
    background: var(--warning-bg);
    color: var(--warning-text);
}

.badge-err {
    background: var(--danger-bg);
    color: var(--danger-text);
}

/* ---------- Вкладки ---------- */
.tabs-wrapper {
    border-bottom: 2px solid var(--border);
    margin-bottom: 1.5rem;
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs-wrapper::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    padding: 0.75rem 1.25rem;
    background: none;
    border: none;
    border-bottom: 2.5px solid transparent;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    transition: all var(--transition);
    margin-bottom: -2px;
}

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

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

.tab-btn .count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 10px;
    font-size: 0.75rem;
    padding: 0 6px;
    margin-left: 0.35rem;
}

.tab-panel {
    display: none;
    animation: fadeUp 0.3s ease;
}

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

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Пустое состояние ---------- */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.empty-state p {
    color: var(--text-muted);
}

/* ---------- Информационная карточка ---------- */
.info-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.info-head {
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border);
    background: var(--surface-alt);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.info-head h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

.info-grid {
    padding: 1.5rem 2rem;
    display: grid;
    gap: 1.25rem;
}

.info-block {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--surface-alt);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: border-color var(--transition);
}

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

.info-block-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-block-icon.blue {
    background: #dbeafe;
}

[data-theme="dark"] .info-block-icon.blue {
    background: #1e3a5f;
}

.info-block-icon.green {
    background: #d1fae5;
}

[data-theme="dark"] .info-block-icon.green {
    background: #064e3b;
}

.info-block-icon.amber {
    background: #fef3c7;
}

[data-theme="dark"] .info-block-icon.amber {
    background: #78350f;
}

.info-block-icon.purple {
    background: #ede9fe;
}

[data-theme="dark"] .info-block-icon.purple {
    background: #2e1065;
}

.info-block-icon.rose {
    background: #ffe4e6;
}

[data-theme="dark"] .info-block-icon.rose {
    background: #4c0519;
}

.info-block-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.35rem;
}

.info-block-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ---------- Сводка (выводы) ---------- */
.summary-card {
    padding: 1rem 0;
}

.summary-card .info-block {
    border-left: 4px solid var(--success);
}

.summary-card .info-block.warn {
    border-left-color: var(--warning);
}

.summary-card .info-block.err {
    border-left-color: var(--danger);
}

/* ---------- Подвал ---------- */
.footer {
    text-align: center;
    padding: 2rem 1rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

/* ---------- Адаптивность ---------- */
@media (max-width: 768px) {
    .container {
        padding: 1rem 0.75rem 3rem;
    }

    .hero {
        padding: 1.5rem 0.5rem 2rem;
    }

    .card-head {
        padding: 1rem 1.25rem;
    }

    .card-body {
        padding: 1.25rem;
    }

    .dropzone {
        padding: 2rem 1rem;
    }

    .actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .info-grid {
        padding: 1rem;
    }

    .info-block {
        flex-direction: column;
    }

    th,
    td {
        padding: 0.5rem 0.75rem;
    }
}

/* ---------- Специфические утилиты ---------- */
code {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.85em;
    background: var(--surface-alt);
    padding: 0.1em 0.3em;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

.text-warning {
    color: var(--warning);
}

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

.diff-positive {
    color: var(--danger);
    font-weight: 600;
}

.diff-negative {
    color: var(--success);
    font-weight: 600;
}

.diff-zero {
    color: var(--text-muted);
}