/**
 * BrushWeave - Einheitliches Design-System
 * Verwendung: <link rel="stylesheet" href="assets/css/main.css">
 */

/* ========================================
   VARIABLEN & GRUNDLAGEN
   ======================================== */

:root {
    /* Farben */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #64748b;
    --secondary-dark: #475569;
    --success: #10b981;
    --success-dark: #059669;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    
    /* Hintergründe */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --bg-card-hover: #2d3b50;
    
    /* Text */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* Borders */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-sm: 8px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* ========================================
   RESET & BASE
   ======================================== */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ========================================
   NAVIGATION
   ======================================== */

header {
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
    text-decoration: none;
}

.user-menu {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.user-menu span {
    color: var(--text-secondary);
}

/* ========================================
   CONTAINER & LAYOUT
   ======================================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

.container-wide {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 1.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* ========================================
   CARDS
   ======================================== */

.card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(99, 102, 241, 0.3);
}

.card-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.card-body {
    margin-bottom: var(--spacing-md);
}

.card-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #3730a3 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary-dark);
    transform: translateY(-2px);
}

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

.btn-success:hover:not(:disabled) {
    background: var(--success-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

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

.btn-warning:hover:not(:disabled) {
    background: var(--warning-dark);
    transform: translateY(-2px);
}

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

.btn-danger:hover:not(:disabled) {
    background: var(--danger-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(239, 68, 68, 0.3);
}

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

/* ========================================
   GRIDS
   ======================================== */

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ========================================
   BADGES & STATUS
   ======================================== */

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 999px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.badge-primary {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
    border: 1px solid var(--primary);
}

.status-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 999px;
    margin-bottom: var(--spacing-sm);
}

.status-active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 2px solid var(--success);
}

.status-inactive {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
    border: 2px solid var(--danger);
}

/* ========================================
   ALERTS & MESSAGES
   ======================================== */

.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
}

.alert-info {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
    color: var(--primary-light);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

/* ========================================
   FORMS
   ======================================== */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========================================
   STATS & INFO
   ======================================== */

.stat {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-light);
    margin: var(--spacing-sm) 0;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-muted);
    font-weight: 500;
}

.info-value {
    color: var(--text-primary);
    font-weight: 600;
}

/* ========================================
   DASHBOARD SPECIFIC
   ======================================== */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.gallery-section {
    margin-top: var(--spacing-xl);
}

.gallery-section h2 {
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   GALLERY
   ======================================== */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.gallery-item {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(99, 102, 241, 0.3);
}

.gallery-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.gallery-info {
    padding: var(--spacing-md);
}

.gallery-style {
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: var(--spacing-xs);
}

.gallery-date {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.gallery-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-download,
.btn-view {
    flex: 1;
    text-align: center;
}

.btn-download {
    background: var(--success);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.btn-download:hover {
    background: var(--success-dark);
    transform: translateY(-2px);
}

.btn-view {
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

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

/* ========================================
   EMPTY STATES
   ======================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
}

.empty-state-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* ========================================
   DANGER ZONE
   ======================================== */

.danger-zone {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--danger);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.danger-zone h3 {
    color: var(--danger);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   MODAL
   ======================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

.modal-header {
    margin-bottom: var(--spacing-lg);
}

.modal-footer {
    margin-top: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.privacy-text {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
}

.privacy-text h3 {
    color: var(--primary-light);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.privacy-text h3:first-child {
    margin-top: 0;
}

.privacy-text p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.checkbox-group {
    padding: var(--spacing-md);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--primary);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    color: var(--text-primary);
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* ========================================
   SETTINGS & PLANS
   ======================================== */

.section {
    margin-bottom: var(--spacing-xl);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.plan-option {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.plan-option:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.plan-option.current {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.05);
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: var(--spacing-sm);
}

.plan-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.plan-credits {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   UTILITIES
   ======================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.hidden { display: none; }

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .container,
    .container-narrow,
    .container-wide {
        padding: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .user-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.spin {
    animation: spin 1s linear infinite;
}