/* ============================================================================
   Dashboard KPIs - Logistics BI v2
   CSS Variables & Global Styles
   ============================================================================ */

:root {
    --primary: #3498db;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --dark: #1a1a2e;
    --darker: #16213e;
    
    /* Auth & Admin pages variables */
    --bg-primary: #1a1a2e;
    --bg-secondary: #2d2d44;
    --bg-tertiary: #3d3d5c;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --accent-primary: #3498db;
}

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

body {
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
    min-height: 100vh;
    color: #fff;
}

/* ============================================================================
   Header & Navigation
   ============================================================================ */

.header {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-tabs {
    display: flex;
    gap: 5px;
}

.nav-tab {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 8px 8px 0 0;
    transition: 0.3s;
}

.nav-tab.active {
    background: var(--primary);
}

/* User Info Section (Top Right) */
.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.btn-admin {
    font-size: 1.2rem;
    text-decoration: none;
    padding: 6px 10px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.2s;
}

.btn-admin:hover {
    background: rgba(155, 89, 182, 0.3);
    transform: scale(1.1);
}

.btn-logout {
    padding: 8px 16px;
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid rgba(231, 76, 60, 0.5);
    color: #e74c3c;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-logout:hover {
    background: #e74c3c;
    color: #fff;
}

.container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 20px 30px;
}

/* ============================================================================
   Year Selector Buttons
   ============================================================================ */

.year-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.year-btn {
    padding: 12px 24px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.9rem;
}

.year-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.year-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
}

/* ============================================================================
   Filters Section
   ============================================================================ */

.filters {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 15px 20px;
    margin-bottom: 20px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
}

.filter-group label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

.filter-group input,
.filter-group select {
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    background: var(--dark);
    color: #fff;
    font-size: 0.85rem;
    min-width: 140px;
}

.filter-group select option {
    background: var(--dark);
    color: #fff;
}

/* Custom Multi-Select */
.custom-select {
    position: relative;
    min-width: 180px;
}

.select-trigger {
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    background: var(--dark);
    cursor: pointer;
    font-size: 0.85rem;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.select-options {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--darker);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    max-height: 250px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    padding: 5px;
}

.select-options.show {
    display: block;
}

.option-item {
    padding: 6px 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}

.option-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.option-item input[type="checkbox"] {
    margin: 0;
    min-width: auto;
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    background: var(--primary);
    color: #fff;
}

.btn:hover {
    background: #2980b9;
    transform: translateY(-1px);
}

/* ============================================================================
   KPI Cards
   ============================================================================ */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.kpi-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
    border-radius: 12px;
    padding: 18px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    margin: 8px 0;
    background: linear-gradient(135deg, #fff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.kpi-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
}

/* ============================================================================
   Charts & Tables
   ============================================================================ */

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.chart-container,
.table-container {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

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

.data-table th,
.data-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.85rem;
}

.data-table th {
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.7rem;
    text-transform: uppercase;
}

.status-ok {
    color: var(--success);
}

.status-error {
    color: var(--danger);
}

/* ============================================================================
   View Sections
   ============================================================================ */

.view-section {
    display: none;
}

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

.hidden {
    display: none !important;
}

/* ============================================================================
   Ranking View - Month Buttons
   ============================================================================ */

.month-scroll-container {
    overflow-x: auto;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.month-scroll-container::-webkit-scrollbar {
    height: 6px;
}

.month-scroll-container::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

.month-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: nowrap;
    min-width: max-content;
}

.month-btn {
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    cursor: pointer;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
    white-space: nowrap;
    font-size: 0.85rem;
}

.month-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.month-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
}

.ranking-header {
    margin-bottom: 20px;
}

/* ============================================================================
   Stat Cards (Ranking Stats)
   ============================================================================ */

.stat-card {
    background: rgba(255, 255, 255, 0.08);
    padding: 15px 25px;
    border-radius: 10px;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================================================
   Additional Classes for Refactored Layout
   ============================================================================ */

/* Section description text */
.section-description {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 10px;
}

/* Ranking layout */
.ranking-layout {
    display: flex;
    gap: 20px;
}

.ranking-chart-section {
    flex: 2;
}

.ranking-table-section {
    flex: 3;
}

.ranking-title {
    margin-bottom: 15px;
}

/* Chart containers with specific heights */
.chart-container-tall {
    height: 500px;
}

.table-container-scroll {
    height: 500px;
    overflow-y: auto;
}

/* Loading indicator row */
.loading-row td {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
}

/* Ranking stats layout */
.ranking-stats {
    margin-top: 20px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* ============================================================================
   Summary Bar (Totals)
   ============================================================================ */

.summary-bar {
    display: flex;
    justify-content: space-around;
    background: rgba(255, 255, 255, 0.08); /* Slightly lighter than background */
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.summary-item {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.summary-item span {
    font-weight: 700;
    color: var(--primary);
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 8px;
    border-radius: 6px;
}