/* eMockTest Premium CSS Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --primary-blue: #0066cc;
    --primary-hover: #0052a3;
    --secondary-sky: #3399ff;
    --sky-light: #e6f0fa;
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --text-dark: #1d1d1f;
    --text-muted: #86868b;
    --success-green: #34c759;
    --error-red: #ff3b30;
    --warning-orange: #ff9500;
    --border-color: rgba(0, 0, 0, 0.08);
    --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
    --modal-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    color: var(--text-dark);
    font-weight: 600;
}

/* Glassmorphism Header */
.glass-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1030;
    transition: var(--transition-smooth);
}

/* Premium Navigation Links */
.navbar-brand {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-blue) !important;
    letter-spacing: -0.5px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-blue) !important;
    background-color: var(--sky-light);
}

/* Premium Buttons */
.btn {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    border-radius: 50px;
    padding: 0.6rem 1.5rem;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-outline-primary:hover {
    background-color: var(--primary-blue);
    color: var(--bg-white);
    transform: translateY(-1px);
}

/* Custom Cards */
.premium-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.premium-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

/* SaaS Forms & Inputs */
.form-control {
    border-radius: var(--border-radius-md);
    padding: 0.75rem 1.25rem;
    border: 1.5px solid var(--border-color);
    font-weight: 400;
    transition: var(--transition-smooth);
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.15);
}

/* Hero Section */
.hero-section {
    background: radial-gradient(circle at 10% 20%, rgba(220, 235, 255, 0.6) 0%, rgba(255, 255, 255, 0.9) 80%);
    padding: 8rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.15;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-sky));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Features grid */
.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-md);
    background-color: var(--sky-light);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

/* Dashboard Layout */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background-color: var(--bg-white);
    border-right: 1px solid var(--border-color);
    position: sticky;
    top: 73px;
    height: calc(100vh - 73px);
    overflow-y: auto;
    padding: 1.5rem 1rem;
    transition: var(--transition-smooth);
}

.main-content {
    flex: 1;
    padding: 2.5rem;
    background-color: var(--bg-light);
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-item {
    margin-bottom: 0.5rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.2rem;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
}

.sidebar-link i {
    font-size: 1.25rem;
    margin-right: 0.85rem;
    transition: var(--transition-smooth);
}

.sidebar-link:hover, .sidebar-link.active {
    background-color: var(--sky-light);
    color: var(--primary-blue);
}

.sidebar-link:hover i, .sidebar-link.active i {
    color: var(--primary-blue);
}

/* Exam Screen Environment */
.exam-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    height: calc(100vh - 70px);
    overflow: hidden;
}

.exam-main {
    padding: 2rem;
    overflow-y: auto;
    background-color: var(--bg-white);
}

.exam-sidebar {
    background-color: var(--bg-light);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    padding: 1.25rem;
    max-height: 350px;
    overflow-y: auto;
}

.palette-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background-color: var(--bg-white);
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.palette-btn.unanswered {
    background-color: var(--error-red);
    color: var(--bg-white);
    border-color: var(--error-red);
}

.palette-btn.answered {
    background-color: var(--success-green);
    color: var(--bg-white);
    border-color: var(--success-green);
}

.palette-btn.marked {
    background-color: var(--warning-orange);
    color: var(--bg-white);
    border-color: var(--warning-orange);
}

.palette-btn.marked-answered {
    background-color: var(--primary-blue);
    color: var(--bg-white);
    border-color: var(--primary-blue);
}

.palette-btn.active {
    outline: 3px solid rgba(0, 102, 204, 0.3);
    outline-offset: 1px;
}

/* Footer style */
footer {
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
}

/* Autocomplete Search Dropdown */
.search-container {
    position: relative;
}

.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--modal-shadow);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    display: none;
    margin-top: 5px;
}

.autocomplete-item {
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition-smooth);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background-color: var(--sky-light);
}

/* Responsive sidebars and widgets */
@media (max-width: 991.98px) {
    .sidebar {
        display: none; /* Mobile navigation via collapse */
    }
    
    .exam-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .exam-sidebar {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}