:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --success: #2ecc71;
    --warning: #f39c12;
    --danger: #e74c3c;
    --dark: #2c3e50;
    --darker: #1e2a38;
    --light: #f8f9fa;
    --gray: #e9ecef;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body {
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    color: #f0f2f5;
    line-height: 1.7;
    padding: 20px;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

header {
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
    transform: rotate(30deg);
}

h1 {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 30px;
    padding: 40px;
}

@media (max-width: 992px) {
    .content {
        grid-template-columns: 1fr;
    }
}

.card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.1);
}

.card-title {
    font-size: 1.7rem;
    margin-bottom: 1.5rem;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary);
    color: white;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.card-title i {
    font-size: 1.5rem;
    color: var(--primary);
}

.form-group {
    margin-bottom: 1.8rem;
}

label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 500;
    font-size: 1.1rem;
    color: #e0e0e0;
}

input[type="file"] {
    width: 100%;
    padding: 16px;
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.2);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input[type="file"]:hover {
    border-color: var(--primary);
    background: rgba(67, 97, 238, 0.1);
}

input[type="file"]::file-selector-button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.3s;
}

input[type="file"]::file-selector-button:hover {
    background: var(--primary-dark);
}

.btn {
    display: inline-block;
    background: linear-gradient(to right, var(--primary), var(--primary-dark));
    color: white;
    padding: 16px 35px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
    text-align: center;
    width: 100%;
    letter-spacing: 0.5px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(67, 97, 238, 0.4);
    background: linear-gradient(to right, var(--primary-dark), var(--primary));
}

.status-messages {
    margin: 25px 0;
}

.message {
    padding: 18px;
    margin-bottom: 18px;
    border-radius: 10px;
    font-weight: 500;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.message i {
    font-size: 1.5rem;
}

.message.success {
    background: rgba(46, 204, 113, 0.15);
    border-left: 5px solid var(--success);
    color: #d1f7e5;
}

.message.error {
    background: rgba(231, 76, 60, 0.15);
    border-left: 5px solid var(--danger);
    color: #ffd1cc;
}

.message.warning {
    background: rgba(243, 156, 18, 0.15);
    border-left: 5px solid var(--warning);
    color: #ffedcc;
}

.previews-container {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 20px;
    margin-top: 25px;
}

.previews {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 20px;
    margin-top: 15px;
}

.preview-item {
    text-align: center;
    padding: 15px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.preview-item:hover {
    transform: scale(1.05);
    background: rgba(67, 97, 238, 0.1);
}

.preview-item img {
    max-width: 100%;
    height: auto;
    margin-top: 12px;
    border-radius: 5px;
}

.legend {
    background: rgba(0, 0, 0, 0.2);
    padding: 25px;
    border-radius: 12px;
    margin-top: 30px;
}

.legend-title {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: white;
    font-weight: 600;
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.color-box {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    flex-shrink: 0;
}

.color-success { background: var(--success); }
.color-warning { background: var(--warning); }
.color-danger { background: var(--danger); }

code {
    background: rgba(0, 0, 0, 0.3);
    padding: 20px;
    border-radius: 10px;
    font-family: 'Fira Code', 'Courier New', monospace;
    display: block;
    white-space: pre-wrap;
    margin: 20px 0;
    overflow-x: auto;
    color: #c3e88d;
    border: 1px solid rgba(255, 255, 255, 0.1);
    line-height: 1.6;
    font-size: 0.95rem;
    tab-size: 4;
}

.file-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.file-item {
    padding: 15px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.3s;
}

.file-item:hover {
    background: rgba(67, 97, 238, 0.2);
}

.file-item i {
    color: var(--primary);
    font-size: 1.2rem;
}

.platforms {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.platform {
    background: rgba(67, 97, 238, 0.1);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.platform:hover {
    transform: translateY(-5px);
    background: rgba(67, 97, 238, 0.2);
}

.platform i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

footer {
    text-align: center;
    padding: 30px;
    background: rgba(0, 0, 0, 0.3);
    color: rgba(255, 255, 255, 0.7);
    margin-top: 30px;
    font-size: 1.1rem;
}

.info-badge {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin: 0 5px;
}

.icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 10px;
    vertical-align: middle;
}

/* Toggle-Buttons für Code-Varianten */
.code-variant-toggle {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.variant-btn {
    flex: 1;
    min-width: 200px;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(67, 97, 238, 0.3);
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
}

.variant-btn:hover {
    background: rgba(67, 97, 238, 0.1);
    border-color: var(--primary);
    color: white;
}

.variant-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: var(--primary);
    color: white;
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
}

.code-container {
    display: none;
}

.code-container.active {
    display: block;
}

.variant-description {
    background: rgba(67, 97, 238, 0.1);
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary);
    color: #e0e0e0;
    font-size: 0.95rem;
}