/* ══════════════════════════════════════════════════════════════════════════════
   Task Dashboard — Telegram Mini App Styles
   Theme-aware, glassmorphism, mobile-first
   ══════════════════════════════════════════════════════════════════════════════ */

:root {
    --bg: var(--tg-theme-bg-color, #1a1a2e);
    --surface: var(--tg-theme-secondary-bg-color, #16213e);
    --text: var(--tg-theme-text-color, #e8e8e8);
    --text-secondary: var(--tg-theme-hint-color, #8b8fa3);
    --accent: var(--tg-theme-button-color, #6c63ff);
    --accent-text: var(--tg-theme-button-text-color, #ffffff);
    --link: var(--tg-theme-link-color, #6c9fff);
    --destructive: #ff4757;
    --success: #2ed573;
    --warning: #ffa502;
    --overdue: #ff4757;
    --today: #ffa502;
    --upcoming: #2ed573;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.08);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

#app {
    max-width: 480px;
    margin: 0 auto;
    padding-bottom: 100px;
}

/* ── Header ─────────────────────────────────────────────────────────────────── */

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px 8px;
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg);
    backdrop-filter: blur(20px);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

header h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.badge {
    background: var(--accent);
    color: var(--accent-text);
    font-size: 12px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    min-width: 24px;
    text-align: center;
}

.icon-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.icon-btn:active {
    transform: scale(0.92);
    background: rgba(255, 255, 255, 0.1);
}

.icon-btn.spinning svg {
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Tabs ────────────────────────────────────────────────────────────────────── */

#tabs {
    display: flex;
    gap: 4px;
    padding: 8px 20px 12px;
    position: sticky;
    top: 56px;
    z-index: 10;
    background: var(--bg);
}

.tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px;
    border: none;
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.tab.active {
    background: rgba(108, 99, 255, 0.15);
    color: var(--accent);
    border-color: rgba(108, 99, 255, 0.3);
}

.tab:active {
    transform: scale(0.97);
}

.tab-icon {
    font-size: 16px;
}

/* ── Filter Pills ────────────────────────────────────────────────────────────── */

.filters {
    display: flex;
    gap: 8px;
    padding: 0 20px 12px;
    overflow-x: auto;
    scrollbar-width: none;
}

.filters::-webkit-scrollbar {
    display: none;
}

.pill {
    padding: 6px 14px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: 20px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}

.pill.active {
    background: var(--accent);
    color: var(--accent-text);
    border-color: var(--accent);
}

.pill:active {
    transform: scale(0.95);
}

/* ── Card List ───────────────────────────────────────────────────────────────── */

.card-list {
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ── Task Card ───────────────────────────────────────────────────────────────── */

.task-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 14px 16px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.task-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: 4px 0 0 4px;
}

.task-card.overdue::before { background: var(--overdue); }
.task-card.today::before { background: var(--today); }
.task-card.upcoming::before { background: var(--upcoming); }
.task-card.none::before { background: var(--text-secondary); }

.task-card:active {
    transform: scale(0.98);
    background: rgba(255, 255, 255, 0.08);
}

.task-card .task-name {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 6px;
    padding-right: 8px;
}

.task-card .task-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.task-card .task-client {
    font-size: 12px;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.06);
    padding: 2px 8px;
    border-radius: 6px;
}

.task-card .task-due {
    font-size: 12px;
    font-weight: 500;
}

.task-card.overdue .task-due { color: var(--overdue); }
.task-card.today .task-due { color: var(--today); }
.task-card.upcoming .task-due { color: var(--upcoming); }

.task-card .task-status {
    font-size: 11px;
    color: var(--text-secondary);
    margin-left: auto;
}

.task-card .overdue-badge {
    font-size: 11px;
    font-weight: 600;
    color: var(--overdue);
    background: rgba(255, 71, 87, 0.12);
    padding: 2px 6px;
    border-radius: 4px;
}

/* ── Team Card ───────────────────────────────────────────────────────────────── */

.team-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 14px;
    backdrop-filter: blur(10px);
}

.team-card:active {
    transform: scale(0.98);
    background: rgba(255, 255, 255, 0.08);
}

.team-avatar {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.team-avatar.green { background: linear-gradient(135deg, #2ed573, #1abc9c); }
.team-avatar.yellow { background: linear-gradient(135deg, #ffa502, #f39c12); }
.team-avatar.red { background: linear-gradient(135deg, #ff4757, #e74c3c); }

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

.team-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.team-stats {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.team-stats .stat-overdue {
    color: var(--overdue);
    font-weight: 600;
}

.team-stats .stat-today {
    color: var(--today);
    font-weight: 500;
}

.team-bar {
    height: 4px;
    background: rgba(255,255,255,0.08);
    border-radius: 4px;
    margin-top: 8px;
    overflow: hidden;
    display: flex;
}

.team-bar .bar-overdue { background: var(--overdue); }
.team-bar .bar-today { background: var(--today); }
.team-bar .bar-ok { background: var(--upcoming); }

.team-chevron {
    color: var(--text-secondary);
    font-size: 18px;
    flex-shrink: 0;
}

/* ── Person Header ───────────────────────────────────────────────────────────── */

.person-header {
    padding: 0 16px 12px;
}

.person-header h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.person-header .person-summary {
    font-size: 13px;
    color: var(--text-secondary);
}

.back-btn {
    background: none;
    border: none;
    color: var(--link);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 20px;
    cursor: pointer;
}

/* ── Action Sheet ────────────────────────────────────────────────────────────── */

.action-sheet {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: flex-end;
}

.action-sheet-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

.action-sheet-content {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    background: var(--surface);
    border-radius: 20px 20px 0 0;
    padding: 8px 20px 40px;
    animation: slideUp 0.3s cubic-bezier(0.32, 0.72, 0, 1);
}

.action-sheet-content::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
    margin: 8px auto 16px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.action-task-info {
    margin-bottom: 20px;
}

.action-task-info .action-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
}

.action-task-info .action-meta {
    font-size: 13px;
    color: var(--text-secondary);
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.action-btn:active {
    transform: scale(0.97);
    background: rgba(255, 255, 255, 0.1);
}

.action-btn.done span { font-size: 18px; }
.action-btn.push span { font-size: 18px; }
.action-btn.delete {
    color: var(--destructive);
    border-color: rgba(255, 71, 87, 0.2);
}
.action-btn.delete span { font-size: 18px; }

/* ── Date Picker ─────────────────────────────────────────────────────────────── */

.date-picker {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--card-border);
}

.date-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.date-btn {
    padding: 12px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.date-btn:active {
    transform: scale(0.95);
    background: var(--accent);
    color: var(--accent-text);
}

.custom-date {
    width: 100%;
    margin-top: 8px;
    padding: 12px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
}

/* ── Loading ─────────────────────────────────────────────────────────────────── */

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 16px;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--card-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ── Empty + Error ───────────────────────────────────────────────────────────── */

.empty-state, .error-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
}

.empty-state p, .error-state p {
    color: var(--text-secondary);
    font-size: 15px;
}

.btn-primary {
    margin-top: 16px;
    padding: 10px 24px;
    background: var(--accent);
    color: var(--accent-text);
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

/* ── Toast ────────────────────────────────────────────────────────────────────── */

.toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface);
    color: var(--text);
    padding: 10px 20px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
    border: 1px solid var(--card-border);
    z-index: 200;
    animation: toastIn 0.3s ease;
    white-space: nowrap;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── View transitions ────────────────────────────────────────────────────────── */

.view {
    animation: fadeInView 0.2s ease;
}

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

/* ── Skeleton loading cards ──────────────────────────────────────────────────── */

.skeleton-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 16px;
    height: 80px;
    position: relative;
    overflow: hidden;
}

.skeleton-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 25%, rgba(255,255,255,0.04) 50%, transparent 75%);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    from { transform: translateX(-100%); }
    to { transform: translateX(100%); }
}