/* MedPrep Main Styles - Complete Color Scheme Implementation */

/* Custom Colors - Medical Theme */
:root {
    /* Primary Colors */
    --primary-blue: #3b82f6;
    --primary-green: #10b981;
    --primary-white: #ffffff;
    
    /* Accent Colors */
    --accent-orange: #f97316;
    --accent-gray: #6b7280;
    --accent-navy: #1e3a8a;
    
    /* Secondary Colors (for gradients) */
    --secondary-blue: #1d4ed8;
    --secondary-green: #059669;
    --primary-orange: #f97316;
    --accent-gold: #fbbf24;
    
    /* Additional Color Aliases for Template Compatibility */
    --text-dark: #374151;
    --text-muted: #6b7280;
    --light-gray: #e5e7eb;
    --medium-gray: #9ca3af;
    --light-background: #f9fafb;
    
    /* Color Variations */
    --blue-light: #93c5fd;
    --blue-dark: #1d4ed8;
    --green-light: #6ee7b7;
    --green-dark: #059669;
    --orange-light: #fed7aa;
    --orange-dark: #ea580c;
    --gray-light: #f3f4f6;
    --gray-dark: #374151;
    --navy-light: #3b82f6;
    --navy-dark: #1e3a8a;
    
    /* Text Colors */
    --text-primary: #374151;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --text-white: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-light-blue: #eff6ff;
    --bg-light-green: #ecfdf5;
    --bg-navy: #1e3a8a;
    --bg-dark-navy: #1e40af;
    
    /* Button Colors */
    --btn-primary-bg: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --btn-primary-hover: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    --btn-secondary-bg: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    --btn-secondary-hover: linear-gradient(135deg, #ea580c 0%, #dc2626 100%);
    --btn-success-bg: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --btn-success-hover: linear-gradient(135deg, #059669 0%, #047857 100%);
    
    /* Border Colors */
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    --border-dark: #9ca3af;
    --border-blue: #3b82f6;
    --border-green: #10b981;
    --border-orange: #f97316;
}

/* Global Page Backgrounds */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Navigation - Dark Navy Theme */
.navbar {
    background: var(--bg-navy) !important;
    border-bottom: 2px solid var(--accent-orange);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9) !important;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--text-white) !important;
    transform: translateY(-1px);
}

/* Header Authentication Buttons */
.header-auth-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0.5rem 1rem !important;
    margin-left: 0.5rem !important;
    background: var(--btn-primary-bg) !important;
    border: 1px solid var(--primary-blue) !important;
    border-radius: 0.375rem !important;
    color: var(--text-white) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    font-size: 0.9rem !important;
    transition: all 0.3s ease !important;
    white-space: nowrap !important;
    min-width: 70px !important;
    text-align: center !important;
}

.header-auth-btn:hover,
.header-auth-btn:focus {
    background: var(--btn-primary-hover) !important;
    color: var(--text-white) !important;
    text-decoration: none !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4) !important;
}

/* Universal Button Styles */
.btn-primary {
    background: var(--btn-primary-bg) !important;
    border-color: var(--primary-blue) !important;
    color: var(--text-white) !important;
}

.btn-primary:hover {
    background: var(--btn-primary-hover) !important;
    border-color: var(--blue-dark) !important;
    color: var(--text-white) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: var(--btn-secondary-bg) !important;
    border-color: var(--accent-orange) !important;
    color: var(--text-white) !important;
}

.btn-secondary:hover {
    background: var(--btn-secondary-hover) !important;
    border-color: var(--orange-dark) !important;
    color: var(--text-white) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-success {
    background: var(--btn-success-bg) !important;
    border-color: var(--primary-green) !important;
    color: var(--text-white) !important;
}

.btn-success:hover {
    background: var(--btn-success-hover) !important;
    border-color: var(--green-dark) !important;
    color: var(--text-white) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Landing Page Specific Styles */
.homepage-body {
    background: var(--bg-primary);
}

.homepage-body .hero-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
}

.homepage-body .hero-btn-primary {
    background: var(--btn-primary-bg) !important;
    color: var(--text-white) !important;
    border-color: var(--primary-blue) !important;
}

.homepage-body .hero-btn-secondary {
    background: var(--btn-secondary-bg) !important;
    color: var(--text-white) !important;
    border-color: var(--accent-orange) !important;
}

/* Dashboard Page Styles */
.dashboard-page {
    background: var(--bg-secondary);
}

.dashboard-page .sidebar {
    background: var(--bg-navy);
    color: var(--text-white);
}

.dashboard-page .main-content {
    background: var(--bg-primary);
}

.dashboard-page .progress-bar {
    background: var(--primary-green) !important;
}

.dashboard-page .card {
    border: 1px solid var(--border-light);
    background: var(--bg-primary);
}

.dashboard-page .card-header {
    background: var(--bg-light-blue);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
}

/* Question Bank Page Styles */
.question-bank-page {
    background: var(--bg-primary);
}

.question-bank-page .category-header {
    color: var(--accent-navy);
    font-weight: 700;
}

.question-bank-page .search-bar input {
    border: 2px solid var(--border-light);
    background: var(--bg-primary);
}

.question-bank-page .search-bar input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.question-bank-page .filter-controls {
    background: var(--bg-light-green);
    border: 1px solid var(--border-light);
}

/* Quiz/Practice Page Styles */
.quiz-page {
    background: var(--bg-primary);
}

.quiz-page .timer {
    background: var(--primary-green);
    color: var(--text-white);
    border-radius: 8px;
    padding: 0.5rem 1rem;
}

.quiz-page .question-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
}

.quiz-page .answer-choice {
    background: var(--bg-primary);
    border: 2px solid var(--border-light);
    color: var(--text-primary);
}

.quiz-page .answer-choice:hover {
    border-color: var(--primary-blue);
    background: var(--bg-light-blue);
}

.quiz-page .answer-choice.selected {
    border-color: var(--primary-blue);
    background: var(--bg-light-blue);
}

.quiz-page .navigation-controls {
    background: var(--bg-secondary);
    padding: 1rem;
    border-top: 1px solid var(--border-light);
}

/* Results Page Styles */
.results-page {
    background: var(--bg-primary);
}

.results-page .score-display.passing {
    background: var(--primary-green);
    color: var(--text-white);
}

.results-page .score-display.failing {
    background: var(--danger-color);
    color: var(--text-white);
}

.results-page .explanation-text {
    color: var(--text-primary);
}

.results-page .progress-summary {
    background: var(--bg-light-green);
    border: 1px solid var(--primary-green);
}

/* Study Resources Page Styles */
.resources-page {
    background: var(--bg-secondary);
}

.resources-page .section-title {
    color: var(--accent-navy);
    font-weight: 700;
}

.resources-page .resource-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
}

.resources-page .resource-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.resources-page .interactive-element {
    color: var(--accent-orange);
}

/* Leaderboard Page Styles */
.leaderboard-page {
    background: var(--bg-primary);
}

.leaderboard-page .leaderboard-table {
    background: var(--bg-primary);
}

.leaderboard-page .leaderboard-table tr:nth-child(even) {
    background: var(--bg-secondary);
}

.leaderboard-page .top-performer {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--green-dark) 100%);
    color: var(--text-white);
}

/* Subscription Page Styles */
.subscription-page {
    background: var(--bg-light-blue);
}

.subscription-page .plan-header {
    color: var(--accent-navy);
    font-weight: 700;
}

.subscription-page .plan-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-light);
}

.subscription-page .plan-card.featured {
    border-color: var(--primary-blue);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.2);
}

.subscription-page .feature-highlight {
    color: var(--accent-orange);
}

.subscription-page .pricing-text {
    color: var(--text-primary);
}

/* About/Contact Page Styles */
.about-page, .contact-page {
    background: var(--bg-primary);
}

.about-page .heading, .contact-page .heading {
    color: var(--accent-navy);
}

.about-page .content-text, .contact-page .content-text {
    color: var(--text-primary);
}

.contact-page .contact-form input,
.contact-page .contact-form textarea {
    border: 2px solid var(--border-light);
    background: var(--bg-primary);
}

.contact-page .contact-form input:focus,
.contact-page .contact-form textarea:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Terms/Privacy/FAQ Page Styles */
.legal-page, .faq-page {
    background: var(--bg-primary);
}

.legal-page .content-text, .faq-page .content-text {
    color: var(--text-primary);
}

.legal-page a, .faq-page a {
    color: var(--primary-blue);
}

.legal-page a:hover, .faq-page a:hover {
    color: var(--blue-dark);
    text-decoration: underline;
}

.faq-page .faq-header {
    color: var(--accent-navy);
}

.faq-page .search-bar {
    background: var(--primary-blue);
}

.faq-page .question-link {
    color: var(--accent-orange);
}

/* Admin Panel Styles */
.admin-page {
    background: var(--bg-secondary);
}

.admin-page .sidebar {
    background: var(--accent-navy);
    color: var(--text-white);
}

.admin-page .admin-content {
    background: var(--bg-primary);
}

.admin-page .admin-btn {
    background: var(--btn-primary-bg);
    color: var(--text-white);
}

.admin-page .admin-alert {
    background: var(--accent-orange);
    color: var(--text-white);
}

/* Utility Classes */
.text-blue { color: var(--primary-blue) !important; }
.text-green { color: var(--primary-green) !important; }
.text-orange { color: var(--accent-orange) !important; }
.text-navy { color: var(--accent-navy) !important; }
.text-gray { color: var(--accent-gray) !important; }

.bg-blue { background-color: var(--primary-blue) !important; }
.bg-green { background-color: var(--primary-green) !important; }
.bg-orange { background-color: var(--accent-orange) !important; }
.bg-navy { background-color: var(--accent-navy) !important; }
.bg-light-blue { background-color: var(--bg-light-blue) !important; }
.bg-light-green { background-color: var(--bg-light-green) !important; }

.border-blue { border-color: var(--primary-blue) !important; }
.border-green { border-color: var(--primary-green) !important; }
.border-orange { border-color: var(--accent-orange) !important; }

/* Responsive Adjustments */
@media (max-width: 768px) {
    .header-auth-btn {
        padding: 0.4rem 0.8rem !important;
        font-size: 0.8rem !important;
        min-width: 60px !important;
    }
}

.navbar-nav .nav-item .header-auth-btn:hover,
.navbar-nav .nav-item .header-auth-btn:focus {
    background-color: rgba(255, 255, 255, 0.1) !important;
    border-color: rgba(255, 255, 255, 0.8) !important;
    color: white !important;
    text-decoration: none !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Forms */
.form-control {
    border-radius: 0.5rem;
    border: 1px solid #dee2e6;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    transform: translateY(-1px);
}

/* Feature Cards */
.feature-card {
    background: white;
    border-radius: 1rem;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.1);
}

.feature-icon {
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

/* Subject Cards */
.subject-card {
    transition: all 0.3s ease;
}

.subject-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Stats Cards */
.stat-card {
    padding: 2rem 1rem;
}

.stat-card h3 {
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

/* Quiz Interface */
.quiz-container {
    max-width: 800px;
    margin: 0 auto;
}

.question-card {
    border-radius: 1rem;
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
}

.option-card {
    border: 2px solid #e9ecef;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.option-card:hover {
    border-color: var(--primary-color);
    background-color: rgba(13, 110, 253, 0.05);
}

.option-card.selected {
    border-color: var(--primary-color);
    background-color: rgba(13, 110, 253, 0.1);
}

.option-card.correct {
    border-color: var(--success-color);
    background-color: rgba(25, 135, 84, 0.1);
}

.option-card.incorrect {
    border-color: var(--danger-color);
    background-color: rgba(220, 53, 69, 0.1);
}

/* Progress Bars */
.progress {
    height: 1rem;
    border-radius: 0.5rem;
}

.progress-bar {
    border-radius: 0.5rem;
}

/* Timer */
.timer-display {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

.timer-warning {
    color: var(--warning-color);
    animation: pulse 1s infinite;
}

.timer-danger {
    color: var(--danger-color);
    animation: pulse 0.5s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Leaderboard */
.leaderboard-card {
    border-left: 4px solid var(--primary-color);
}

.leaderboard-card.rank-1 {
    border-left-color: #ffd700;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(255, 215, 0, 0.05));
}

.leaderboard-card.rank-2 {
    border-left-color: #c0c0c0;
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.1), rgba(192, 192, 192, 0.05));
}

.leaderboard-card.rank-3 {
    border-left-color: #cd7f32;
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.1), rgba(205, 127, 50, 0.05));
}

/* Flashcards */
.flashcard {
    perspective: 1000px;
    height: 300px;
}

.flashcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flashcard.flipped .flashcard-inner {
    transform: rotateY(180deg);
}

.flashcard-front, .flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
}

.flashcard-front {
    background: linear-gradient(135deg, var(--primary-color), #0d6efd);
    color: white;
}

.flashcard-back {
    background: linear-gradient(135deg, var(--success-color), #198754);
    color: white;
    transform: rotateY(180deg);
}

/* Payment Proof */
.payment-proof-card {
    border-left: 4px solid var(--info-color);
}

.payment-proof-card.pending {
    border-left-color: var(--warning-color);
}

.payment-proof-card.approved {
    border-left-color: var(--success-color);
}

.payment-proof-card.rejected {
    border-left-color: var(--danger-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .stat-card h3 {
        font-size: 2rem;
    }
    
    .feature-icon {
        width: 60px !important;
        height: 60px !important;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* Loading Animation */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utility Classes */
.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

.rounded-lg {
    border-radius: 1rem !important;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0b5ed7;
}