/**
 * SPRACHASSISTENT - Stylesheet
 * =============================
 * Version: 1.0.0
 * Design-Standard: Immobilienverwaltung Leidenberger
 * Referenz: Personen-Service v2.1.0
 */

/* ============================================================================
   CSS VARIABLEN (Design-Standard)
   ============================================================================ */

:root {
    /* Schriftarten */
    --font-heading: 'Barlow Condensed', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Primärfarbe (Grün) */
    --color-primary: #059669;
    --color-primary-dark: #047857;
    --color-primary-light: #d1fae5;
    
    /* Sekundär & Status */
    --color-secondary: #64748b;
    --color-success: #22c55e;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Grautöne */
    --color-bg: #f8fafc;
    --color-bg-card: #ffffff;
    --color-border: #e2e8f0;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;
    
    /* Abstände */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Schatten */
    --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);
    
    /* Rundungen */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
}

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

a:hover {
    color: var(--color-primary-dark);
}

.hidden {
    display: none !important;
}

/* ============================================================================
   LOGIN SCREEN (Design-Standard: KEIN Gradient!)
   ============================================================================ */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: var(--color-bg);
}

.login-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.login-header h1 {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.login-header .subtitle {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* ============================================================================
   APP LAYOUT
   ============================================================================ */

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.header-content h1 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.3;
    margin: 0;
}

.back-link {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-text-muted);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--color-primary);
}

.header-content .subtitle {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

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

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-info > span:first-child {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

.user-badge {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Footer */
.app-footer {
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

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

.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

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

.card-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.header-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--color-border);
}

.btn-secondary.active {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-full {
    width: 100%;
}

/* ============================================================================
   FORM ELEMENTS
   ============================================================================ */

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

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

.form-group input::placeholder {
    color: var(--color-text-light);
}

/* ============================================================================
   ALERT
   ============================================================================ */

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.alert-error {
    background: #fef2f2;
    color: var(--color-danger);
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: var(--color-success);
    border: 1px solid #bbf7d0;
}

.alert-icon {
    font-size: 1.25rem;
}

/* ============================================================================
   MODE SELECTOR
   ============================================================================ */

.mode-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.mode-option {
    cursor: pointer;
}

.mode-option input {
    display: none;
}

.mode-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all 0.2s;
    text-align: center;
}

.mode-option input:checked + .mode-card {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.mode-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.mode-name {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.mode-desc {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ============================================================================
   RECORDING AREA
   ============================================================================ */

.recording-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}

.record-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.record-btn {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--color-primary);
    background: var(--color-bg-card);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.record-btn:hover {
    background: var(--color-primary-light);
    transform: scale(1.05);
}

.record-btn.recording {
    background: var(--color-danger);
    border-color: var(--color-danger);
    animation: pulse 1.5s infinite;
}

.record-icon {
    font-size: 3rem;
    transition: transform 0.2s;
}

.record-btn.recording .record-icon {
    animation: none;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.recording-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-danger);
    font-weight: 500;
}

.recording-indicator .pulse {
    width: 12px;
    height: 12px;
    background: var(--color-danger);
    border-radius: 50%;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.recording-info {
    display: flex;
    gap: var(--spacing-xl);
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.info-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.info-value {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.status-ready { color: var(--color-primary); }
.status-recording { color: var(--color-danger); }
.status-processing { color: var(--color-warning); }
.status-success { color: var(--color-success); }
.status-error { color: var(--color-danger); }

.audio-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

/* API Status */
.api-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.8125rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-light);
}

.api-status.ready .status-dot { background: var(--color-success); }
.api-status.limited .status-dot { background: var(--color-warning); }
.api-status.error .status-dot { background: var(--color-danger); }

/* ============================================================================
   TRANSCRIPTION & RESULT
   ============================================================================ */

.transcription-text {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    min-height: 100px;
    font-size: 0.9375rem;
    line-height: 1.8;
    white-space: pre-wrap;
}

.result-view {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    min-height: 150px;
}

.json-output {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.8125rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
}

.preview-content {
    font-size: 0.9375rem;
    line-height: 1.6;
}

.preview-content h3 {
    font-size: 1rem;
    margin: var(--spacing-md) 0 var(--spacing-sm);
    color: var(--color-text);
}

.preview-content h3:first-child {
    margin-top: 0;
}

.preview-content p {
    margin-bottom: var(--spacing-sm);
}

.preview-content ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.preview-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    margin-right: var(--spacing-sm);
}

/* ============================================================================
   ACTIONS
   ============================================================================ */

.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================================================
   HISTORY
   ============================================================================ */

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.history-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.history-template {
    font-weight: 600;
    color: var(--color-text);
}

.history-time {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.history-preview {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

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

/* ============================================================================
   TOAST NOTIFICATIONS
   ============================================================================ */

.toast-container {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 1000;
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    background: var(--color-text);
    color: white;
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

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

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================================================
   LOADING OVERLAY
   ============================================================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    z-index: 1001;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-primary-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay p {
    color: white;
    font-size: 1rem;
    font-weight: 500;
}

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

@media (max-width: 768px) {
    .app-header {
        padding: var(--spacing-md);
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    .mode-selector {
        grid-template-columns: 1fr;
    }
    
    .recording-info {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .audio-controls {
        flex-direction: column;
        width: 100%;
    }
    
    .audio-controls .btn {
        width: 100%;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons .btn {
        width: 100%;
    }
    
    .history-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .history-actions {
        width: 100%;
    }
    
    .history-actions .btn {
        flex: 1;
    }
}