/* ============================================
   MODERN INTERACTIVE DASHBOARD STYLES
   ============================================ */

/* ========== ROOT VARIABLES ========== */
:root {
    --primary-color: #6366f1;
    --secondary-color: #ec4899;
    --accent-color: #3b82f6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --shadow-sm: 0 4px 6px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 10px 20px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== GLOBAL STYLES ========== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    background-attachment: fixed;
    margin: 25px;
}

/* ========== HEADER STYLES ========== */
.header {
    background: linear-gradient(135deg, var(--dark-bg), #1e293b);
    padding: 20px 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(15, 23, 42, 0.95);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #6366f1, #ec4899, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    letter-spacing: -0.5px;
}

.home-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.home-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
}

.home-btn:active {
    transform: translateY(0);
}

/* ========== MAIN CONTAINER ========== */
.main-container {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    gap: 20px;
    padding: 20px;
    min-height: calc(100vh - 100px);
}

/* ========== SIDEBAR NAVIGATION ========== */
.sidebar {
    width: 260px;
    background: var(--card-bg);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow-md);
    height: fit-content;
    position: sticky;
    top: 100px;
    border: 1px solid var(--border-color);
}

.nav-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-link {
    display: block;
    padding: 14px 16px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    transition: var(--transition);
    border-left: 4px solid transparent;
    background: transparent;
}

.nav-link:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    transform: translateX(4px);
}

/* ========== PAGE CONTENT ========== */
.page-content {
    flex: 1;
    min-width: 0;
}

.page-wrapper {
    max-width: 100%;
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 32px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.5px;
}

/* ========== DATE RANGE FILTER ========== */
.filter-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 18px 24px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}

.filter-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: nowrap;
}

.filter-date-picker {
    min-width: 240px;
    flex: 1 1 200px;
}

.filter-date-picker .DateRangePickerInput {
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--light-bg);
}

.filter-date-picker .DateInput {
    background: transparent;
}

.filter-date-picker .DateInput_input {
    font-weight: 500;
    font-size: 0.85rem;
    padding: 6px 10px;
    text-align: center;
}

/* Dropdown filters inside the filter container */
.filter-dropdown {
    min-width: 140px;
    flex: 1 1 150px;
}

.filter-dropdown .Select-control {
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--light-bg);
    height: 34px;
}

.filter-dropdown .Select-placeholder,
.filter-dropdown .Select-value {
    line-height: 34px;
    padding-left: 10px;
    font-size: 0.82rem;
}

.filter-dropdown .Select-input {
    height: 34px;
}

.filter-dropdown .Select-menu-outer {
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.table-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 12px;
}

.table-section-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.download-label {
    font-weight: 600;
    font-size: 14px;
}

.download-btn {
    text-decoration: none;
    font-weight: 600;
    color: #fff;
    background-color: #1f77b4;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

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

.app-title {
    text-align: center;
    margin-bottom: 20px;
}

.page-content-wrapper {
    margin-top: 24px;
}

/* Responsive breakpoints for filter container */
@media (max-width: 1200px) {
    .filter-container {
        padding: 14px 18px;
        gap: 10px;
    }
    .filter-date-picker {
        min-width: 200px;
        flex: 1 1 180px;
    }
    .filter-dropdown {
        min-width: 120px;
        flex: 1 1 130px;
    }
}

@media (max-width: 768px) {
    .filter-container {
        flex-direction: column;
        align-items: stretch;
        padding: 14px 16px;
        gap: 10px;
    }
    .filter-label {
        font-size: 0.8rem;
        margin-bottom: -4px;
    }
    .filter-date-picker {
        min-width: unset;
        width: 100%;
    }
    .filter-dropdown {
        min-width: unset;
        width: 100%;
    }
}

/* ========== BENTO LAYOUT: KPI CARDS ========== */
.kpi-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.kpi-card {
    background: var(--card-bg);
    border: 2px solid transparent;
    border-radius: 18px;
    padding: 24px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    
    /* Glassmorphism effect */
    backdrop-filter: blur(10px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.8));
}

/* Gradient borders */
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity var(--transition);
    z-index: -1;
    border-radius: 18px;
    padding: 2px;
}

.kpi-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--card-bg);
    border-radius: 18px;
    z-index: -1;
}

.kpi-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

.kpi-card:hover::before {
    opacity: 1;
}

/* Individual gradient cards */
.kpi-card:nth-child(1) {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.05));
    border-color: rgba(99, 102, 241, 0.3);
}

.kpi-card:nth-child(2) {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.1), rgba(236, 72, 153, 0.05));
    border-color: rgba(236, 72, 153, 0.3);
}

.kpi-card:nth-child(3) {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.05));
    border-color: rgba(59, 130, 246, 0.3);
}

.kpi-card:nth-child(4) {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
    border-color: rgba(16, 185, 129, 0.3);
}

.kpi-card:nth-child(5) {
    background: linear-gradient(135deg, rgba(230, 7, 26, 0.648), rgba(230, 7, 26, 0.648));
    border-color: rgba(59, 130, 246, 0.3);
}

.kpi-icon {
    font-size: 2.2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    flex-shrink: 0;
    
    /* Glow effect */
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    }
    50% {
        box-shadow: 0 0 30px rgba(99, 102, 241, 0.6);
    }
}

.kpi-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 1.9rem;
    font-weight: 800;
    margin: 8px 0 4px 0;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.kpi-trend {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--success-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.kpi-trend.negative {
    color: var(--danger-color);
}

.kpi-trend.neutral {
    color: var(--text-secondary);
}

/* ========== CHART ROWS & CONTAINERS ========== */
.chart-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-bottom: 28px;
}

.chart-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    
    /* Glassmorphism */
    backdrop-filter: blur(10px);
}

/* Glow effect on hover */
.chart-container::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}

.chart-container:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.3);
}

.chart-container:hover::before {
    opacity: 1;
}

.chart-container.full-width {
    grid-column: 1 / -1;
}

/* ========== TABLE STYLES ========== */
.table-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 28px;
    box-shadow: var(--shadow-md);
    margin-top: 28px;
    transition: var(--transition);
}

.table-container h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* DataTable wrapper */
.dash-table-container {
    width: 100%;
    overflow-x: auto;
}

/* Header styling */
.dash-header {
    background-color: #f8f9fa;
    color: #495057;
    font-weight: 600;
    font-size: 14px;
    text-align: center;
    padding: 12px 8px;
    border-bottom: 2px solid #dee2e6;
    text-transform: none;
    letter-spacing: normal;
}

/* Highlight GP column cells and header */
.dash-spreadsheet-container .dash-header.column-GP,
.dash-spreadsheet-container .dash-cell.column-GP,
.dash-spreadsheet-container .dash-header.column-gp,
.dash-spreadsheet-container .dash-cell.column-gp,
.dash-spreadsheet-container div[class*="column-GP"],
.dash-spreadsheet-container div[class*="column-gp"] {
    background-color: #fff9c4 !important;
    color: #856404 !important;
    font-weight: 600 !important;
}

/* Filter row */
.dash-filter {
    background-color: #ffffff !important;
    color: #495057 !important;
    font-weight: 500 !important;
    font-size: 13px !important;
}

/* Data cells */
.dash-cell {
    padding: 10px 8px !important;
    text-align: center !important;
    font-family: 'Inter', 'Segoe UI', sans-serif !important;
    font-size: 13px !important;
    color: #212529;
    white-space: normal !important;
    height: auto !important;
    line-height: 1.4 !important;
    min-width: 100px !important;
    max-width: 300px !important;
}

.dash-spreadsheet-container .dash-cell {
    background-color: #ffffff;
    border-bottom: 1px solid #e9ecef !important;
}

.dash-spreadsheet-container tr:nth-child(odd) .dash-cell {
    background-color: #f8f9fa;
}

/* Table border */
.dash-spreadsheet {
    border: 1px solid #dee2e6 !important;
    border-radius: 8px !important;
    overflow: hidden !important;
}