@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Ocean Glass Gradient Background */
    --bg-gradient: linear-gradient(135deg, #e0f2fe 0%, #cffafe 50%, #bae6fd 100%);
    --bg-darker: #0ea5e9;
    
    /* Text Colors */
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-light: #ffffff;
    
    /* Brand/Accent Colors */
    --accent-primary: #0284c7;
    --accent-secondary: #0ea5e9;
    --accent-gradient: linear-gradient(to right, #0284c7, #0ea5e9);
    
    /* Glassmorphism settings */
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --glass-blur: blur(12px);
    
    /* Sidebar Specific */
    --sidebar-bg: rgba(255, 255, 255, 0.85);
    
    /* Input/Table overrides */
    --input-bg: rgba(255,255,255,0.7);
    --table-td-bg: rgba(255, 255, 255, 0.4);
    --table-td-hover: rgba(255, 255, 255, 0.8);
    --icon-box-bg: rgba(255, 255, 255, 0.8);
    
    /* Scrollbar */
    --scrollbar-thumb: rgba(15, 23, 42, 0.15);
    --scrollbar-thumb-hover: rgba(15, 23, 42, 0.3);
}

[data-theme="dark"] {
    /* Deep ocean / Night glass gradient */
    --bg-gradient: linear-gradient(135deg, #020617 0%, #0f172a 50%, #1e293b 100%);
    --bg-darker: #020617;
    
    /* Text Colors */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-light: #ffffff;
    
    /* Brand/Accent Colors */
    --accent-primary: #38bdf8;
    --accent-secondary: #7dd3fc;
    --accent-gradient: linear-gradient(to right, #38bdf8, #818cf8);
    
    /* Glassmorphism settings */
    --glass-bg: rgba(15, 23, 42, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    
    /* Sidebar Specific */
    --sidebar-bg: rgba(15, 23, 42, 0.85);
    
    /* Input/Table overrides */
    --input-bg: rgba(15, 23, 42, 0.5);
    --table-td-bg: rgba(30, 41, 59, 0.4);
    --table-td-hover: rgba(30, 41, 59, 0.8);
    --icon-box-bg: rgba(30, 41, 59, 0.8);
    
    /* Scrollbar */
    --scrollbar-thumb: rgba(255, 255, 255, 0.35);
    --scrollbar-thumb-hover: rgba(255, 255, 255, 0.6);
}

* {
    box-sizing: border-box;
}

html, body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}
::-webkit-scrollbar-thumb {
    background: rgba(15, 23, 42, 0.25);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(15, 23, 42, 0.45);
    border: 2px solid transparent;
    background-clip: padding-box;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}
[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid transparent;
    background-clip: padding-box;
}

/* Glass Panel Utility */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-panel:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.12);
}

/* Typography & Headings */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Layout */
.wrapper {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--glass-border);
    padding: 2rem 1.5rem;
    box-shadow: 2px 0 20px rgba(0,0,0,0.02);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 2rem 3rem;
}

/* Sidebar Navigation */
.nav-link {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.2rem;
    color: var(--text-muted);
    font-weight: 500;
    border-radius: 12px;
    margin-bottom: 0.5rem;
    transition: all 0.2s ease;
    text-decoration: none;
}

.nav-link i {
    margin-right: 12px;
    font-size: 1.2rem;
    opacity: 0.8;
}

.nav-link:hover, .nav-link.active {
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent-primary);
    transform: translateX(5px);
}

.nav-link.active {
    font-weight: 600;
    background: var(--accent-gradient);
    color: white;
}
.nav-link.active i {
    opacity: 1;
}

/* Cards */
.summary-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.summary-card .icon-box {
    width: 50px;
    height: 50px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--icon-box-bg);
    color: var(--accent-primary);
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.summary-card .title {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}
.summary-card .value {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 0.2rem;
    color: var(--text-main);
}

/* Tables */
.elegant-table-wrapper {
    background: var(--glass-bg);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    padding: 1rem;
    overflow: hidden;
}

.elegant-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
}

.elegant-table th {
    text-align: left;
    padding: 1rem 1.2rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.elegant-table td {
    padding: 1rem 1.2rem;
    background: var(--table-td-bg);
    transition: all 0.2s ease;
}

.elegant-table tbody tr td:first-child {
    border-top-left-radius: 12px;
    border-bottom-left-radius: 12px;
}
.elegant-table tbody tr td:last-child {
    border-top-right-radius: 12px;
    border-bottom-right-radius: 12px;
}

.elegant-table tbody tr:hover td {
    background: var(--table-td-hover);
    transform: scale(1.01);
}

/* Buttons */
.btn-elegant {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-elegant:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
    color: white;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem 1.5rem;
}
.form-group {
    margin-bottom: 0.5rem;
}
.form-group label {
    display: block; 
    margin-bottom: 6px; 
    font-weight: 600; 
    font-size: 0.85rem;
    color: var(--text-main);
}
.form-group.full-width {
    grid-column: 1 / -1;
}

input, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text-main);
    outline: none;
    font-family: 'Outfit', sans-serif;
    font-size: 0.9rem;
    transition: all 0.2s;
}

input:focus, select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
    background: var(--glass-bg);
}