/**
 * Prompt Inventar - Styles
 * Design basierend auf Kalebru GmbH Corporate Design
 * © 2026 Kalebru GmbH
 */

/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
    /* Kalebru Farben */
    --color-primary: #030A8C;
    --color-primary-hover: #02076b;
    --color-secondary: #F7BABA;
    --color-secondary-hover: #f5a5a5;
    --color-text: #252E40;
    --color-text-light: #6b7280;
    --color-bg: #FFFFFF;
    --color-bg-light: #F9FAFB;
    --color-border: #E5E7EB;
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;

    /* Variablen Farben */
    --color-variable: #8B5CF6;
    --color-variable-bg: #EDE9FE;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Typography */
    --font-family: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 100px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition: 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

/* ============================================
   Header
   ============================================ */
.header {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
    flex: 1;
    padding: var(--spacing-2xl) 0;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    font-size: var(--font-size-base);
    font-weight: 500;
    font-family: var(--font-family);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-text);
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-icon {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    background-color: var(--color-bg-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.btn-icon:hover {
    background-color: var(--color-border);
}

/* ============================================
   Filter Bar
   ============================================ */
.filter-bar {
    background-color: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 250px;
    position: relative;
    display: flex;
    align-items: center;
}

.search-box svg {
    position: absolute;
    left: var(--spacing-md);
    color: var(--color-text-light);
}

.search-box input {
    width: 100%;
    padding: 12px 12px 12px 48px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: all var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(3, 10, 140, 0.1);
}

.filter-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-group select {
    padding: 10px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    background-color: var(--color-bg);
    cursor: pointer;
    transition: all var(--transition);
}

.filter-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ============================================
   Prompts Grid
   ============================================ */
.prompts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.prompt-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.prompt-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--color-primary);
}

.prompt-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.prompt-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
    flex: 1;
}

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

.icon-btn {
    background: none;
    border: none;
    padding: var(--spacing-xs);
    cursor: pointer;
    color: var(--color-text-light);
    transition: color var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    color: var(--color-primary);
}

.prompt-card-description {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.prompt-card-content {
    color: var(--color-text);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    max-height: 100px;
    overflow: hidden;
    position: relative;
    font-family: 'Courier New', monospace;
    background-color: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.prompt-card-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(transparent, var(--color-bg-light));
}

.prompt-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px 10px;
    background-color: var(--color-bg-light);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
}

.prompt-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.prompt-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ============================================
   Variable Highlighting
   ============================================ */
.variable {
    background-color: var(--color-variable-bg);
    color: var(--color-variable);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.empty-state svg {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.empty-state h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.empty-state p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   Modal
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

.modal-large {
    max-width: 800px;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition);
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    padding: var(--spacing-xl);
}

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

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-text);
}

.form-group input[type="text"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: all var(--transition);
}

.form-group textarea {
    resize: vertical;
    font-family: 'Courier New', monospace;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(3, 10, 140, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.textarea-toolbar {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.help-text {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.help-text code {
    background-color: var(--color-bg-light);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    color: var(--color-variable);
}

/* ============================================
   Variables
   ============================================ */
.variables-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.variable-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.variable-item input {
    flex: 1;
    padding: 10px 14px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: 'Courier New', monospace;
}

.variable-item input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.variable-item button {
    flex-shrink: 0;
}

.variable-preview,
.prompt-preview {
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
    white-space: pre-wrap;
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    min-height: 60px;
}

.tags-preview {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.variables-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   Info Banner
   ============================================ */
.info-banner {
    background-color: #EFF6FF;
    border: 2px solid #BFDBFE;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: #1E40AF;
}

.info-banner svg {
    flex-shrink: 0;
    stroke: #3B82F6;
}

.storage-info {
    font-size: var(--font-size-sm);
    opacity: 0.7;
}

/* ============================================
   Notification Toast
   ============================================ */
.notification {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    opacity: 0;
    transform: translateY(100px);
    transition: all var(--transition);
    pointer-events: none;
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

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

.notification.error {
    background-color: var(--color-error);
}

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

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
}

.footer .container {
    text-align: center;
}

.footer p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin: 0;
}

.footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

.footer a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .prompts-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 767px) {
    .header .container {
        flex-direction: column;
        align-items: stretch;
    }

    .header-actions {
        justify-content: center;
    }

    .logo {
        text-align: center;
        font-size: var(--font-size-xl);
    }

    .filter-bar {
        flex-direction: column;
    }

    .search-box {
        min-width: 100%;
    }

    .filter-group {
        width: 100%;
    }

    .filter-group select {
        flex: 1;
    }

    .prompts-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .modal-content {
        max-width: 100%;
        border-radius: 0;
        max-height: 100vh;
    }

    .btn {
        padding: 10px 20px;
        font-size: var(--font-size-sm);
    }

    .notification {
        left: var(--spacing-md);
        right: var(--spacing-md);
        bottom: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .header-actions {
        flex-direction: column;
    }

    .btn {
        justify-content: center;
        width: 100%;
    }
}