/*
Theme Name: Kurs-Plattform Theme
Theme URI: https://deine-domain.de
Author: Dein Name
Author URI: https://deine-domain.de
Description: Professionelles Theme für Kurs-Plattformen mit Projektmanagement, Scrum und C#-Kursen
Version: 1.0.0
License: GPL v2 or later
Text Domain: kurs-theme
*/

/* Theme-Info */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --dark-color: #1f2937;
    --light-color: #f3f4f6;
    --gray-color: #6b7280;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
}

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

/* Header */
.site-header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.site-branding h1 {
    font-size: 1.5rem;
    margin: 0;
}

.site-branding a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
}

/* Navigation */
.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-navigation a {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.main-navigation a:hover {
    color: var(--primary-color);
}

/* Kurs-Karten */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.course-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.course-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.course-content {
    padding: 1.5rem;
}

.course-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

.course-excerpt {
    color: var(--gray-color);
    margin-bottom: 1rem;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--light-color);
}

.course-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.course-button {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.3s;
}

.course-button:hover {
    background: var(--secondary-color);
}

/* Kategorie-Badges */
.category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--light-color);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.category-badge.scrum {
    background: #fef3c7;
    color: #d97706;
}

.category-badge.prince2 {
    background: #e0e7ff;
    color: #4338ca;
}

.category-badge.csharp {
    background: #d1fae5;
    color: #059669;
}

/* Login/User Bereich */
.user-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.login-button {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.3s;
}

.login-button:hover {
    background: var(--secondary-color);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.user-menu {
    position: relative;
    cursor: pointer;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    border-radius: 8px;
    min-width: 200px;
    display: none;
    z-index: 100;
}

.user-menu:hover .user-dropdown {
    display: block;
}

.user-dropdown a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--dark-color);
    text-decoration: none;
    transition: background 0.3s;
}

.user-dropdown a:hover {
    background: var(--light-color);
}

/* Kurs-Detailseite */
.course-single {
    padding: 3rem 0;
}

.course-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 3rem 0;
    margin-bottom: 2rem;
}

.course-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.course-info {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.course-curriculum {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
}

.curriculum-item {
    padding: 1rem;
    border-bottom: 1px solid var(--light-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

/* Footer */
.site-footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
    margin-top: 3rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-widget h3 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-widget ul {
    list-style: none;
}

.footer-widget a {
    color: var(--light-color);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-widget a:hover {
    color: var(--primary-color);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-navigation ul {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .course-header h1 {
        font-size: 1.75rem;
    }
}

/* Fortschrittsbalken */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--light-color);
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

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