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

:root {
    --primary: #064E3B; /* Deep Emerald */
    --primary-light: #065F46;
    --secondary: #D97706; /* Amber Gold */
    --accent: #F59E0B;
    --bg-soft: #F0FDF4;
    --white: #ffffff;
    --dark: #1F2937;
    --gray: #6B7280;
    --border: #E5E7EB;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'Noto Sans Bengali', sans-serif;
}

body {
    background-color: var(--bg-soft);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Islamic Geometric Pattern Background */
.pattern-bg {
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0l15 30-15 30-15-30z' fill='%23064E3B' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
}

/* Navigation */
nav {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo i {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

.btn-primary {
    background: var(--primary);
    color: var(--white) !important;
    padding: 0.8rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 6px -1px rgba(6, 78, 59, 0.2);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(6, 78, 59, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 0.7rem 1.8rem;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

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

/* Hero Section */
.hero {
    padding: 6rem 5%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 24px;
    box-shadow: var(--shadow);
}

/* Glass Cards */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary);
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--white);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(6, 78, 59, 0.1);
}

/* Dashboard Sidebar */
.dashboard-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--primary);
    color: var(--white);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 1rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition);
}

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

/* Question Paper List */
.paper-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.paper-card {
    background: var(--white);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 5px solid var(--secondary);
}

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

/* Timer styles */
.timer-container {
    text-align: center;
    padding: 4rem;
}

.timer-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 8px solid var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    margin: 2rem auto;
    color: var(--primary);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade {
    animation: fadeIn 0.8s ease forwards;
}

/* Footer */
footer {
    background: var(--primary);
    color: var(--white);
    padding: 4rem 5% 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}