/**
 * @file styles.css
 * @description Diseño visual para Ta' Ċelita – Sunny Bar & Restaurant (Mġarr, Malta).
 * Estética Mediterránea cálida (Obsidiana, Terracota Soleado, Dorado Malta y Crema),
 * 100% responsiva (Mobile-First) sin bloqueos de scroll ni dependencias pesadas.
 * @module ui/styles
 */

:root {
    --bg-main: #FAF7F2;
    --bg-card: #FFFFFF;
    --bg-elevated: #F3EFE6;
    --bg-dark: #18181B;
    --bg-header: linear-gradient(135deg, #18181B 0%, #27221D 60%, #3A2618 100%);
    
    --primary: #D95D24;       /* Terracota Soleado Ta' Ċelita */
    --primary-hover: #B84714;
    --primary-soft: #FFF1EB;
    
    --gold: #D49B27;          /* Dorado Sol de Malta */
    --gold-soft: #FEF7E6;
    
    --success: #15803D;
    --success-soft: #DCFCE7;
    --warning: #B45309;
    --warning-soft: #FEF3C7;
    --danger: #B91C1C;
    --danger-soft: #FEE2E2;
    --info: #1D4ED8;
    --info-soft: #DBEAFE;

    --text-main: #1C1917;
    --text-secondary: #57534E;
    --text-muted: #78716C;
    --border: #E7E0D6;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(28, 25, 23, 0.05);
    --shadow-md: 0 8px 24px rgba(28, 25, 23, 0.08);
    --shadow-lg: 0 16px 40px rgba(28, 25, 23, 0.16);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    padding-bottom: 90px;
    overflow-x: hidden;
}

/* Header & Top Banner */
.app-header {
    background: var(--bg-header);
    color: #FFFFFF;
    padding: 1rem 1.25rem 1.25rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.22);
    border-bottom: 3px solid var(--gold);
}

.header-top {
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

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

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--gold), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 4px 12px rgba(217, 93, 36, 0.4);
    flex-shrink: 0;
}

.brand-text h1 {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.brand-text p {
    font-size: 0.76rem;
    color: #D6D3D1;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.sync-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #F5F5F4;
    padding: 0.38rem 0.7rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.sync-pill:hover {
    background: rgba(255, 255, 255, 0.18);
}

.sync-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22C55E;
    box-shadow: 0 0 8px #22C55E;
}

.sync-dot.local {
    background: var(--gold);
    box-shadow: 0 0 8px var(--gold);
}

.btn-top {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: #FFFFFF;
    padding: 0.42rem 0.75rem;
    border-radius: 10px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-top.gold {
    background: linear-gradient(135deg, var(--gold), #B87D14);
    border-color: transparent;
    color: #18181B;
    font-weight: 700;
}

.btn-top:hover {
    transform: translateY(-1px);
}

/* Main Container */
.main-wrapper {
    max-width: 1080px;
    margin: 0 auto;
    padding: 1.25rem 1rem;
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
    .kpi-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
    }
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.kpi-card.highlight {
    background: linear-gradient(135deg, #FFFBF5 0%, #FFF1EB 100%);
    border-color: #FDBA8C;
}

.kpi-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.kpi-value {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-main);
}

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

.kpi-sub {
    font-size: 0.73rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Navigation Tabs (Desktop + Mobile Bottom Bar) */
.nav-tabs {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-elevated);
    padding: 0.4rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    overflow-x: auto;
    border: 1px solid var(--border);
}

.tab-btn {
    flex: 1;
    min-width: 120px;
    padding: 0.7rem 0.9rem;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    transition: all 0.2s;
    white-space: nowrap;
}

.tab-btn.active {
    background: var(--bg-card);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    font-weight: 700;
}

/* Views */
.view-section {
    display: none;
    animation: fadeIn 0.22s ease-out;
}

.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Section Headers & Toolbars */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.section-title h2 {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-main);
}

.section-title p {
    font-size: 0.84rem;
    color: var(--text-secondary);
}

/* Filter Pills */
.filter-bar {
    display: flex;
    gap: 0.45rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.filter-chip {
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
}

.filter-chip.active {
    background: var(--bg-dark);
    color: #FFFFFF;
    border-color: var(--bg-dark);
}

/* Staff Grid & Cards */
.staff-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.9rem;
}

@media (min-width: 700px) {
    .staff-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.staff-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.1rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: transform 0.15s, box-shadow 0.15s;
}

.staff-card:hover {
    box-shadow: var(--shadow-md);
}

.staff-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
}

.staff-identity {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.avatar-circle {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 800;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #FDBA8C;
    flex-shrink: 0;
}

.staff-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.country-tag {
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
}

.role-badge {
    display: inline-block;
    margin-top: 0.25rem;
    font-size: 0.74rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    background: var(--gold-soft);
    color: #92400E;
    border: 1px solid #FDE68A;
}

.role-badge.dishwasher {
    background: var(--info-soft);
    color: var(--info);
    border-color: #BFDBFE;
}

.role-badge.waitress, .role-badge.waiter {
    background: var(--primary-soft);
    color: var(--primary);
    border-color: #FDBA8C;
}

.role-badge.kitchen {
    background: var(--success-soft);
    color: var(--success);
    border-color: #BBF7D0;
}

.rate-box {
    text-align: right;
    background: var(--bg-elevated);
    padding: 0.45rem 0.75rem;
    border-radius: 10px;
}

.rate-box .rate-val {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-main);
}

.rate-box .rate-lbl {
    font-size: 0.68rem;
    color: var(--text-muted);
    display: block;
}

.staff-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    background: #FAF8F5;
    padding: 0.6rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    text-align: center;
}

.staff-metrics div span {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.staff-metrics div strong {
    font-size: 0.9rem;
    color: var(--text-main);
}

.staff-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 0.62rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.84rem;
    border: 1px solid transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: all 0.18s;
}

.btn-primary {
    background: var(--primary);
    color: #FFFFFF;
}

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

.btn-dark {
    background: var(--bg-dark);
    color: #FFFFFF;
}

.btn-outline {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    background: var(--bg-elevated);
}

.btn-success {
    background: var(--success);
    color: #FFFFFF;
}

.btn-sm {
    padding: 0.45rem 0.75rem;
    font-size: 0.78rem;
    flex: 1;
}

/* Roster Table (Turnos) */
.roster-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow-x: auto;
    box-shadow: var(--shadow-sm);
}

.roster-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 660px;
}

.roster-table th, .roster-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
    text-align: center;
    vertical-align: middle;
}

.roster-table th {
    background: var(--bg-elevated);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.roster-table th.today-col {
    background: var(--primary-soft);
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
}

.roster-table td:first-child, .roster-table th:first-child {
    text-align: left;
    position: sticky;
    left: 0;
    background: var(--bg-card);
    z-index: 2;
    min-width: 170px;
}

.roster-table th:first-child {
    background: var(--bg-elevated);
}

.shift-cell {
    cursor: pointer;
    border-radius: 8px;
    padding: 0.45rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.15s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    min-height: 54px;
    justify-content: center;
}

.shift-cell:hover {
    transform: scale(1.02);
}

.shift-cell.empty {
    border: 1px dashed var(--border);
    color: var(--text-muted);
    background: #FCFBF9;
}

.shift-cell.lunch {
    background: var(--gold-soft);
    color: #92400E;
    border: 1px solid #FDE68A;
}

.shift-cell.dinner {
    background: #EDE9FE;
    color: #5B21B6;
    border: 1px solid #DDD6FE;
}

.shift-cell.split {
    background: var(--primary-soft);
    color: var(--primary);
    border: 1px solid #FDBA8C;
}

.shift-cell.full {
    background: var(--success-soft);
    color: var(--success);
    border: 1px solid #BBF7D0;
}

.shift-cell.off {
    background: #F5F5F4;
    color: #A8A29E;
}

/* Logs List & Dynamic Rate Cards */
.toolbar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.9rem 1rem;
    margin-bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
}

.log-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    box-shadow: var(--shadow-sm);
}

.log-card.custom-rate {
    border-left: 4px solid var(--primary);
    background: linear-gradient(90deg, #FFF9F5 0%, #FFFFFF 35%);
}

.log-info h4 {
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    flex-wrap: wrap;
}

.log-meta {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

.log-note {
    font-size: 0.76rem;
    color: var(--primary);
    font-weight: 600;
    margin-top: 0.25rem;
}

.badge-rate {
    font-size: 0.72rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-weight: 700;
}

.badge-rate.standard {
    background: var(--bg-elevated);
    color: var(--text-secondary);
}

.badge-rate.override-up {
    background: var(--warning-soft);
    color: var(--warning);
    border: 1px solid #FDE68A;
}

.badge-rate.override-down {
    background: var(--info-soft);
    color: var(--info);
    border: 1px solid #BFDBFE;
}

.log-payout {
    text-align: right;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.log-payout .amount {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--success);
}

/* Payroll Table & JSON DB Box */
.summary-table-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.summary-table {
    width: 100%;
    border-collapse: collapse;
}

.summary-table th, .summary-table td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.86rem;
}

.summary-table th {
    background: var(--bg-elevated);
    font-weight: 700;
    color: var(--text-secondary);
}

.json-viewer {
    background: #18181B;
    color: #A7F3D0;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-family: monospace;
    font-size: 0.78rem;
    max-height: 260px;
    overflow-y: auto;
    white-space: pre-wrap;
    border: 1px solid #3F3F46;
}

/* Modals */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(24, 24, 27, 0.65);
    backdrop-filter: blur(3px);
    display: none;
    justify-content: center;
    align-items: flex-end;
    z-index: 1000;
    padding: 0;
}

.modal-backdrop.open {
    display: flex;
}

@media (min-width: 640px) {
    .modal-backdrop {
        align-items: center;
        padding: 1rem;
    }
}

.modal-dialog {
    background: var(--bg-card);
    width: 100%;
    max-width: 560px;
    max-height: 92vh;
    overflow-y: auto;
    border-radius: 22px 22px 0 0;
    padding: 1.4rem;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.22s ease-out;
}

@media (min-width: 640px) {
    .modal-dialog {
        border-radius: 20px;
    }
}

.modal-dialog.wide {
    max-width: 780px;
}

@keyframes slideUp {
    from { transform: translateY(40px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.9rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 800;
}

.btn-close {
    background: var(--bg-elevated);
    border: none;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-secondary);
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

.form-control {
    width: 100%;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.95rem;
    background: #FFFFFF;
    color: var(--text-main);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(217, 93, 36, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

/* Dynamic Rate Override Box */
.override-box {
    background: var(--gold-soft);
    border: 1px solid #FCD34D;
    border-radius: var(--radius-md);
    padding: 1rem;
    margin: 1rem 0;
}

.override-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.quick-delta-Row {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin: 0.75rem 0;
}

.chip-delta {
    padding: 0.35rem 0.65rem;
    border-radius: 8px;
    border: 1px solid #F59E0B;
    background: #FFFFFF;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    color: #92400E;
}

.chip-delta:hover {
    background: #FEF3C7;
}

.calc-preview {
    background: var(--success-soft);
    border: 1px solid #86EFAC;
    border-radius: 12px;
    padding: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0;
}

.calc-preview .total-pay {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--success);
}

/* Toast Notification */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--bg-dark);
    color: #FFFFFF;
    padding: 0.8rem 1.1rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--gold);
    animation: fadeIn 0.2s ease-out;
}