/* Core Styling & Variables */
:root {
    --primary-color: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-glow: rgba(37, 99, 235, 0.25);
    
    --bg-gradient-start: #F8FAFC;
    --bg-gradient-end: #E2E8F0;
    --bg-body: #F8FAFC;
    
    --text-primary: #1E293B;
    --text-muted: #64748B;
    
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-shadow: rgba(148, 163, 184, 0.12);
    
    --card-hover-translate: -6px;
    --border-radius-large: 24px;
    --border-radius-medium: 16px;
}

[data-bs-theme="dark"] {
    --bg-gradient-start: #0F172A;
    --bg-gradient-end: #1E293B;
    --bg-body: #0F172A;
    
    --text-primary: #F8FAFC;
    --text-muted: #94A3B8;
    
    --glass-bg: rgba(30, 41, 59, 0.75);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Inter', sans-serif;
    background: radial-gradient(circle at top left, var(--bg-gradient-start), var(--bg-gradient-end));
    background-color: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Typography & Layouts */
.fw-extrabold {
    font-weight: 800;
}

.max-width-600 {
    max-width: 600px;
}

.max-width-300 {
    max-width: 300px;
}

.text-gradient {
    background: linear-gradient(135deg, #2563EB, #60A5FA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-light-section {
    background-color: rgba(148, 163, 184, 0.05);
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-large);
    box-shadow: 0 10px 30px 0 var(--glass-shadow);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(var(--card-hover-translate));
    box-shadow: 0 20px 40px 0 var(--glass-shadow);
}

/* Navbar Customization */
.custom-navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 20px 0 var(--glass-shadow);
    padding: 15px 0;
    transition: all 0.3s ease;
}

.custom-navbar .nav-link {
    color: var(--text-primary);
    font-weight: 500;
    padding: 8px 16px !important;
    border-radius: 30px;
    transition: all 0.2s ease;
}

.custom-navbar .nav-link:hover, 
.custom-navbar .nav-link.active {
    color: #2563EB !important;
    background-color: rgba(37, 99, 235, 0.08);
}

/* Theme Toggle Button */
.btn-theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.btn-theme-toggle:hover {
    background: #2563EB;
    color: #FFFFFF;
    transform: rotate(25deg);
}

/* Hero Section */
.hero-section {
    padding: 90px 0 60px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }
}

.hero-desc {
    max-width: 650px;
    font-size: 1.15rem;
    line-height: 1.6;
}

.downloader-box {
    max-width: 780px;
}

/* Search Input styling */
.search-bar {
    background: rgba(148, 163, 184, 0.06);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 6px;
    box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.03);
}

.search-bar .form-control {
    border: none !important;
    box-shadow: none !important;
    color: var(--text-primary);
}

.search-bar .form-control::placeholder {
    color: var(--text-muted);
}

.search-bar .input-group-text {
    border: none !important;
    font-size: 1.25rem;
}

.search-bar .btn-primary {
    border-radius: 40px !important;
    padding: 12px 28px;
    background-color: #2563EB;
    border: none;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.35);
    transition: all 0.3s ease;
}

.search-bar .btn-primary:hover {
    background-color: #1D4ED8;
    box-shadow: 0 6px 20px 0 rgba(37, 99, 235, 0.5);
    transform: translateY(-2px);
}

/* Guide & Steps */
.step-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-medium);
    box-shadow: 0 4px 20px 0 var(--glass-shadow);
    transition: all 0.3s ease;
}

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

.step-num {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #2563EB;
    color: #FFFFFF;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: 0 4px 10px 0 rgba(37, 99, 235, 0.3);
}

/* Feature Cards Soft backgrounds */
.bg-primary-soft { background-color: rgba(37, 99, 235, 0.08); }
.bg-success-soft { background-color: rgba(34, 197, 94, 0.08); }
.bg-info-soft    { background-color: rgba(14, 165, 233, 0.08); }
.bg-danger-soft  { background-color: rgba(239, 68, 68, 0.08); }
.bg-warning-soft { background-color: rgba(245, 158, 11, 0.08); }
.bg-secondary-soft { background-color: rgba(100, 116, 139, 0.08); }

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Results Display styles */
.cover-wrapper {
    max-height: 250px;
}

.cover-wrapper img {
    object-fit: cover;
    height: 100%;
}

/* Footer Customize */
.custom-footer {
    background: var(--glass-bg);
    border-top: 1px solid var(--glass-border);
    box-shadow: 0 -4px 20px 0 var(--glass-shadow);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
}

.footer-menu li {
    margin-bottom: 8px;
}

.footer-menu a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-menu a:hover {
    color: #2563EB;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(148, 163, 184, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #2563EB;
    color: #FFFFFF;
    transform: translateY(-3px);
}

/* FAQ customization */
.accordion-item {
    background-color: var(--glass-bg) !important;
    border: 1px solid var(--glass-border) !important;
    margin-bottom: 8px;
    border-radius: 12px !important;
    overflow: hidden;
}

.accordion-button {
    background-color: transparent !important;
    color: var(--text-primary) !important;
    font-weight: 600;
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
    border-bottom: 1px solid var(--glass-border);
    color: #2563EB !important;
}

/* Admin Dashboard Elements */
.stat-card {
    border-radius: var(--border-radius-medium);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}
/* Error Container Page */
.error-container {
    max-width: 540px;
}

/* Bulk Downloader Helpers */
.table-danger-soft {
    background-color: rgba(239, 68, 68, 0.05) !important;
}