/* ============================================================
   FORECAST HOTELERO - STYLES
   Design: Dark premium theme with glassmorphism & micro-animations
   ============================================================ */

/* --- CSS Variables (Design Tokens) --- */
:root {
    --bg: #0b1220;
    --bg-card: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .015));
    --bg-input: rgba(0, 0, 0, .25);
    --border: rgba(255, 255, 255, .10);
    --text: #eaf0ff;
    --muted: #8a9cc4;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, .25);
    --good: #22c55e;
    --warn: #f59e0b;
    --bad: #ef4444;
    --purple: #8b5cf6;
    --cyan: #06b6d4;
    --radius: 14px;
    --radius-lg: 18px;
    --shadow: 0 14px 34px rgba(0, 0, 0, .30);
    --font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

/* --- Reset & Base --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font);
    background:
        radial-gradient(1200px 600px at 15% 0%, rgba(59, 130, 246, .14), transparent 55%),
        radial-gradient(900px 500px at 85% 5%, rgba(139, 92, 246, .10), transparent 50%),
        radial-gradient(600px 400px at 50% 80%, rgba(6, 182, 212, .06), transparent 50%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* --- Topbar / Header --- */
.topbar {
    border-bottom: 1px solid var(--border);
    padding: 18px 24px;
    backdrop-filter: blur(12px);
    background: rgba(11, 18, 32, .6);
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar__inner {
    max-width: 1650px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.brand h1 {
    margin: 0;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: .3px;
    background: linear-gradient(135deg, #eaf0ff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand__sub {
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
}

.nav-links {
    display: flex;
    gap: 18px;
    font-size: 13px;
    font-weight: 600;
}

.nav-links a {
    color: var(--muted);
    padding: 4px 0;
    border-bottom: 2px solid transparent;
    transition: all .2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff;
    border-bottom-color: var(--accent);
    text-decoration: none;
}

/* --- Main Layout --- */
.main-wrap {
    max-width: 1650px;
    margin: 0 auto;
    padding: 20px 24px 40px;
}

.app-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 22px;
    align-items: start;
}

@media (max-width: 1100px) {
    .app-layout {
        grid-template-columns: 1fr;
    }
}

/* --- Sidebar (Filters Panel) --- */
.sidebar {
    position: sticky;
    top: 80px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sidebar__title {
    font-size: 15px;
    font-weight: 800;
    color: #dbe6ff;
    margin: 0 0 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar__title .icon {
    font-size: 18px;
}

.filter-group {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
}

.filter-group label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 8px;
}

.filter-group .help {
    font-size: 11px;
    color: var(--muted);
    margin-top: 6px;
    line-height: 1.3;
}

/* --- Form Elements --- */
input[type="text"],
input[type="number"],
input[type="date"],
select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, .30);
    color: var(--text);
    font-size: 13px;
    font-family: var(--font);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}

input:focus,
select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, .08);
    outline: none;
    margin: 6px 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 0 8px var(--accent-glow);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

.row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.slider-row input[type="range"] {
    flex: 1;
}

.slider-val {
    min-width: 42px;
    text-align: right;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-family: var(--font);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all .2s;
}

.btn-primary {
    background: linear-gradient(180deg, rgba(59, 130, 246, .40), rgba(59, 130, 246, .18));
    color: #fff;
    border-color: rgba(59, 130, 246, .30);
}

.btn-primary:hover {
    background: linear-gradient(180deg, rgba(59, 130, 246, .55), rgba(59, 130, 246, .28));
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, .04);
    color: var(--muted);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, .08);
    color: #fff;
}

.btn-success {
    background: linear-gradient(180deg, rgba(34, 197, 94, .35), rgba(34, 197, 94, .15));
    color: #a7f3d0;
    border-color: rgba(34, 197, 94, .25);
}

.btn-success:hover {
    background: linear-gradient(180deg, rgba(34, 197, 94, .50), rgba(34, 197, 94, .25));
}

.btn-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* --- Scenario Selector --- */
.scenario-tabs {
    display: flex;
    gap: 0;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.scenario-tab {
    flex: 1;
    padding: 9px 6px;
    text-align: center;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    background: rgba(0, 0, 0, .20);
    color: var(--muted);
    border: none;
    transition: all .2s;
}

.scenario-tab:not(:last-child) {
    border-right: 1px solid var(--border);
}

.scenario-tab.active {
    background: rgba(59, 130, 246, .18);
    color: #fff;
}

.scenario-tab:hover:not(.active) {
    background: rgba(255, 255, 255, .04);
    color: #ccc;
}

.scenario-tab[data-scenario="optimistic"].active {
    background: rgba(34, 197, 94, .18);
    color: #a7f3d0;
}

.scenario-tab[data-scenario="pessimistic"].active {
    background: rgba(239, 68, 68, .18);
    color: #fecaca;
}

/* --- Content Area --- */
.content-area {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0;
}

/* --- KPI Cards --- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

@media (max-width: 900px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform .15s, box-shadow .15s;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, .35);
}

.kpi-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
}

.kpi-card.blue::before {
    background: var(--accent);
}

.kpi-card.green::before {
    background: var(--good);
}

.kpi-card.yellow::before {
    background: var(--warn);
}

.kpi-card.purple::before {
    background: var(--purple);
}

.kpi-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .5px;
}

.kpi-value {
    font-size: 28px;
    font-weight: 900;
    margin-top: 8px;
    line-height: 1;
}

.kpi-card.blue .kpi-value {
    color: var(--accent);
}

.kpi-card.green .kpi-value {
    color: var(--good);
}

.kpi-card.yellow .kpi-value {
    color: var(--warn);
}

.kpi-card.purple .kpi-value {
    color: var(--purple);
}

.kpi-compare {
    margin-top: 10px;
    font-size: 11px;
    color: var(--muted);
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.kpi-compare .delta-positive {
    color: var(--good);
}

.kpi-compare .delta-negative {
    color: var(--bad);
}

/* --- Card Wrapper --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-size: 15px;
    font-weight: 800;
    color: #dbe6ff;
}

.card-subtitle {
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
}

.card-body {
    padding: 16px 20px;
}

.card-actions {
    display: flex;
    gap: 8px;
}

/* --- Chart Container --- */
.chart-container {
    position: relative;
    height: 380px;
    padding: 10px 0;
}

.chart-metric-selector {
    display: flex;
    gap: 0;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    font-size: 11px;
}

.chart-metric-btn {
    padding: 6px 14px;
    background: rgba(0, 0, 0, .20);
    color: var(--muted);
    border: none;
    border-right: 1px solid var(--border);
    cursor: pointer;
    font-weight: 700;
    font-family: var(--font);
    transition: all .2s;
}

.chart-metric-btn:last-child {
    border-right: none;
}

.chart-metric-btn.active {
    background: rgba(59, 130, 246, .18);
    color: #fff;
}

.chart-metric-btn:hover:not(.active) {
    background: rgba(255, 255, 255, .04);
}

/* --- Table --- */
.table-wrap {
    overflow-x: auto;
    max-height: 520px;
    overflow-y: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12.5px;
}

.data-table th,
.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    text-align: right;
}

.data-table th {
    background: rgba(255, 255, 255, .04);
    color: #b4c6e7;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .3px;
    font-size: 11px;
    position: sticky;
    top: 0;
    z-index: 2;
}

.data-table th:first-child,
.data-table td:first-child {
    text-align: left;
    position: sticky;
    left: 0;
    z-index: 1;
    background: rgba(11, 18, 32, .95);
}

.data-table th:first-child {
    z-index: 3;
}

.data-table tbody tr {
    transition: background .15s;
}

.data-table tbody tr:hover {
    background: rgba(59, 130, 246, .06);
}

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

.data-table .weekend {
    background: rgba(139, 92, 246, .04);
}

.data-table .positive {
    color: var(--good);
}

.data-table .negative {
    color: var(--bad);
}

/* --- Error / Status Messages --- */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 13px;
    line-height: 1.4;
    display: none;
}

.alert-error {
    background: rgba(239, 68, 68, .12);
    border: 1px solid rgba(239, 68, 68, .30);
    color: #fecaca;
}

.alert-success {
    background: rgba(34, 197, 94, .10);
    border: 1px solid rgba(34, 197, 94, .25);
    color: #bbf7d0;
}

.alert-info {
    background: rgba(59, 130, 246, .10);
    border: 1px solid rgba(59, 130, 246, .25);
    color: #bfdbfe;
}

/* --- Loading Spinner --- */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, .15);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .6s linear infinite;
}

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

/* --- Editable Pickup Windows --- */
.window-editor {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 6px;
}

.window-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.window-row .label {
    flex: 1;
    color: var(--muted);
    font-weight: 600;
}

.window-row input {
    width: 60px;
    padding: 5px 8px;
    text-align: center;
    font-size: 12px;
}

/* --- Responsive Adjustments --- */
@media (max-width: 1100px) {
    .app-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        order: -1;
    }
}

@media (max-width: 768px) {
    .topbar__inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 12px;
    }

    .main-wrap {
        padding: 14px;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .chart-container {
        height: 280px;
    }
}

@media (max-width: 500px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp .35s ease-out both;
}

.fade-in-delay-1 {
    animation-delay: .05s;
}

.fade-in-delay-2 {
    animation-delay: .10s;
}

.fade-in-delay-3 {
    animation-delay: .15s;
}

.fade-in-delay-4 {
    animation-delay: .20s;
}

/* --- Tooltip --- */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: #e2e8f0;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 11px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity .2s;
    z-index: 10;
}

.tooltip:hover::after {
    opacity: 1;
}

/* --- Scrollbar custom --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, .15);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, .12);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, .20);
}

/* --- Filter Header + Info Buttons --- */
.filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.filter-header label {
    margin-bottom: 0;
}

.info-btn {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(59, 130, 246, .08);
    color: var(--accent);
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: all .2s;
    line-height: 1;
}

.info-btn:hover {
    background: rgba(59, 130, 246, .22);
    box-shadow: 0 0 10px rgba(59, 130, 246, .25);
    transform: scale(1.1);
}

.info-btn.active {
    background: rgba(59, 130, 246, .25);
    border-color: var(--accent);
}

.info-panel {
    display: none;
    margin: 8px 0 10px;
    padding: 12px 14px;
    border-radius: 10px;
    background: rgba(59, 130, 246, .06);
    border: 1px solid rgba(59, 130, 246, .15);
    animation: slideDown .25s ease-out;
}

.info-panel.open {
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.info-panel p {
    margin: 5px 0;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.5;
}

.info-panel p strong {
    color: #cfe0ff;
}

.info-panel ul {
    margin: 4px 0 6px 0;
    padding-left: 18px;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.55;
}

.info-panel ul li {
    margin-bottom: 3px;
}

.info-panel ul li strong {
    color: #cfe0ff;
}

/* --- Methodology Section --- */
.methodology-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.method-step {
    display: flex;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.method-step:last-child {
    border-bottom: none;
}

.method-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(59, 130, 246, .25), rgba(139, 92, 246, .20));
    border: 1px solid rgba(59, 130, 246, .30);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 15px;
    color: var(--accent);
}

.method-content h3 {
    margin: 0 0 6px;
    font-size: 14px;
    font-weight: 800;
    color: #dbe6ff;
}

.method-content p {
    margin: 6px 0;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.55;
}

.method-content strong {
    color: #cfe0ff;
}

.method-content code {
    display: inline-block;
    background: rgba(59, 130, 246, .10);
    border: 1px solid rgba(59, 130, 246, .18);
    border-radius: 6px;
    padding: 5px 10px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px;
    color: #93c5fd;
    margin: 4px 0;
}

.method-table {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0;
    font-size: 12px;
}

.method-table th,
.method-table td {
    padding: 8px 12px;
    border: 1px solid var(--border);
    text-align: center;
}

.method-table th {
    background: rgba(255, 255, 255, .04);
    color: #b4c6e7;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .3px;
    font-size: 11px;
}

.method-table td {
    color: var(--muted);
}

/* --- Print styles --- */
@media print {
    body {
        background: #fff;
        color: #000;
    }

    .topbar,
    .sidebar,
    .btn,
    .chart-metric-selector {
        display: none !important;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .data-table th,
    .data-table td {
        border-color: #ddd;
    }
}