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

:root {
    --primary-red: #D32F2F;
    --primary-green: #2E7D32;
    --light-red: #FFEBEE;
    --light-green: #E8F5E9;
    --dark-text: #2C3E50;
    --white: #FFFFFF;
    --glass: rgba(255, 255, 255, 0.85);
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Noto Sans Bengali', 'Outfit', sans-serif;
    background: linear-gradient(135deg, var(--light-red) 0%, var(--light-green) 100%);
    background: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Premium Header */
header {
    background: var(--glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--primary-red);
    font-weight: 800;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-img {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-red), #FF5252);
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(211, 47, 47, 0.3);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
}

nav a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    padding: 8px 12px;
    border-radius: 8px;
}

nav a:hover, nav a.active {
    color: var(--primary-red);
    background: rgba(211, 47, 47, 0.05);
}

/* Hamburger for Mobile */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-red);
    border-radius: 2px;
    transition: 0.3s;
}

/* Container & Cards */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 24px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,0.05);
    margin-bottom: 30px;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

/* Form Styling */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #444;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #eee;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-red);
    outline: none;
    box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.1);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: var(--primary-red);
    color: white;
    box-shadow: 0 4px 15px rgba(211, 47, 47, 0.3);
}

.btn-primary:hover {
    background: #b71c1c;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(211, 47, 47, 0.4);
}

.btn-success {
    background: var(--primary-green);
    color: white;
}

/* Ticker */
.ticker-wrap {
    background: #ffeb3b;
    padding: 10px 0;
    overflow: hidden;
    white-space: nowrap;
    border-bottom: 2px solid #fbc02d;
}

.ticker {
    display: inline-block;
    animation: ticker 30s linear infinite;
    font-weight: bold;
    color: #d32f2f;
}

@keyframes ticker {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Admin Sidebar Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: #1a1a1a;
    color: white;
    padding: 30px 20px;
    position: fixed;
    height: 100vh;
    transition: all 0.3s ease;
}

.sidebar a {
    color: #999;
    padding: 15px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 12px;
    margin-bottom: 8px;
    font-weight: 600;
    transition: 0.3s;
}

.sidebar a:hover, .sidebar a.active {
    background: rgba(255,255,255,0.1);
    color: white;
}

.main-content {
    margin-left: 280px;
    flex: 1;
    padding: 40px;
    background: #f0f2f5;
}

/* Responsive */
@media (max-width: 992px) {
    .main-content { margin-left: 0; }
    .sidebar { transform: translateX(-100%); z-index: 1100; }
    .sidebar.active { transform: translateX(0); }
}

@media (max-width: 768px) {
    header { padding: 15px 20px; }
    .hamburger { display: flex; }
    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    nav.active-mobile { display: block; }
    nav ul { flex-direction: column; gap: 10px; }
    
    .logo span { font-size: 1.2rem; }
    .card { padding: 20px; border-radius: 16px; }
}

/* Compatibility Chart */
.compat-chart {
    width: 100%;
    border-collapse: collapse;
}

.compat-chart th, .compat-chart td {
    padding: 15px;
    border: 1px solid #eee;
    text-align: center;
}

.compat-chart tr:nth-child(even) { background: #f9f9f9; }

/* Hero Section */
.hero {
    padding: 80px 5%;
    text-align: center;
    background: url('https://images.unsplash.com/photo-1615461066841-6116ecaaba7d?q=80&w=1600&auto=format&fit=crop') center/cover no-repeat;
    position: relative;
    color: white;
    margin-bottom: 40px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* Ticker */
.ticker-wrapper {
    background: var(--primary-red);
    color: white;
    padding: 10px 0;
    overflow: hidden;
}

.ticker {
    display: flex;
    white-space: nowrap;
    animation: ticker 30s linear infinite;
}

@keyframes ticker {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Cards & Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.card {
    background: var(--glass);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 30px;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

.btn-primary { background: var(--primary-red); color: white; }
.btn-primary:hover { background: #B71C1C; transform: scale(1.05); }

.btn-success { background: var(--primary-green); color: white; }
.btn-success:hover { background: #1B5E20; transform: scale(1.05); }

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: rgba(255,255,255,0.9);
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

/* Counters */
.counter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.counter-item {
    text-align: center;
    background: var(--glass);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.counter-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-red);
    display: block;
}

/* Footer */
footer {
    background: var(--dark-text);
    color: white;
    padding: 50px 5% 20px;
    margin-top: 50px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    nav { display: none; }
    .hamburger { display: flex; }
    .hero h1 { font-size: 2.2rem; }
}

/* Compatibility Chart Styles */
.compat-chart {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.compat-chart th, .compat-chart td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: center;
}

.compat-yes { background: #C8E6C9; color: #2E7D32; font-weight: bold; }
.compat-no { background: #FFCDD2; color: #D32F2F; }

/* Alert */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 5px solid;
}

.alert-warning { background: #FFF9C4; border-color: #FBC02D; color: #827717; }
.alert-danger { background: #FFEBEE; border-color: #D32F2F; color: #C62828; }
.alert-success { background: #E8F5E9; border-color: #2E7D32; color: #2E7D32; }