/* Grundlegende Variablen für Farbschema und Abstände */
:root {
    --primary-color: #2b5797;
    --secondary-color: #5074b8;
    --accent-color: #4dabf7;
    --text-color: #333;
    --light-text: #f8f9fa;
    --background-color: #f6f8fc;
    --border-radius: 12px;
    --shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
    --card-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
}

/* Allgemeine Stile und Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--secondary-color);
}

/* Layout-Komponenten */
header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--light-text);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.5px;
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

main {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

footer {
    background-color: #f8f9fa;
    text-align: center;
    padding: var(--spacing-md);
    border-top: 1px solid #e9ecef;
    margin-top: var(--spacing-lg);
}

/* Animationscontainer-Stile */
.animation-container {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    margin-bottom: var(--spacing-lg);
    transition: transform 0.3s, box-shadow 0.3s;
}

.animation-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.animation-container h2 {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 0;
    font-weight: 500;
}

.canvas-wrapper {
    position: relative;
    height: 300px;
    min-height: 300px;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

canvas {
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
}

/* Canvas-Rahmen für bessere Darstellung */
.canvas-wrapper:hover {
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.1);
}


/* Steuerelemente-Stile */
.controls {
    padding: var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
}

.control-group {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-sm);
}

.control-group label {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: #495057;
}

input[type="range"] {
    width: 100%;
    -webkit-appearance: none;
    background: #dee2e6;
    height: 8px;
    border-radius: 4px;
    outline: none;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: background 0.2s;
}

input[type="range"]:hover {
    background: #ced4da;
}

input[type="range"]:focus {
    background: #adb5bd;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s, background 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    background: var(--secondary-color);
}

input[type="color"] {
    width: 100%;
    height: 40px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background-color: transparent;
    transition: transform 0.2s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

input[type="color"]:hover {
    transform: scale(1.05);
}

button.copy-code-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px 18px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    grid-column: 1 / -1;
    justify-self: center;
    margin-top: var(--spacing-sm);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12);
    position: relative;
    overflow: hidden;
}

button.copy-code-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

button.copy-code-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

button.copy-code-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%, -50%);
    transform-origin: 50% 50%;
}

button.copy-code-btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0) translate(-50%, -50%);
        opacity: 0.5;
    }
    100% {
        transform: scale(30, 30) translate(-50%, -50%);
        opacity: 0;
    }
}

/* Einbettungs-Abschnitt-Stile */
.embed-section {
    background-color: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--card-shadow);
}

.embed-section h2 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.embed-info {
    line-height: 1.8;
}

pre {
    background-color: #f8f9fa;
    border-radius: 4px;
    padding: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    overflow-x: auto;
    border-left: 4px solid var(--primary-color);
}

code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}

/* Modal-Stile */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    overflow: auto;
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    max-width: 800px;
    width: 90%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    position: relative;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
}

.close-modal:hover {
    color: #555;
}

.code-tabs {
    margin: var(--spacing-md) 0;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    gap: var(--spacing-xs);
}

.tab-btn {
    background-color: transparent;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    font-weight: 500;
    color: #495057;
    border-bottom: 3px solid transparent;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
}

#copy-to-clipboard {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 16px;
    cursor: pointer;
    margin-top: var(--spacing-sm);
    transition: background-color 0.3s;
}

#copy-to-clipboard:hover {
    background-color: var(--secondary-color);
}

/* Responsive-Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    .controls {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
    }
}

/* Animationen */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animation-container {
    animation: fadeIn 0.5s ease-in-out;
}

/* Barrierefreiheit */
:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Dark Mode - vorbereitet, kann mit JS aktiviert werden */
.dark-mode {
    --text-color: #f1f3f5;
    --light-text: #fff;
    --background-color: #121212;
    --shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
    --card-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.dark-mode .animation-container {
    background-color: #1e1e1e;
}

.dark-mode .controls {
    background-color: #2a2a2a;
    border-top: 1px solid #333;
}

.dark-mode pre {
    background-color: #2a2a2a;
}

.dark-mode footer {
    background-color: #1e1e1e;
    border-top: 1px solid #333;
}