/* MCN Abrechnungs-Assistent - Stylesheet */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav {
    display: flex;
    gap: 16px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.nav-link:hover,
.nav-link.active {
    background: var(--primary-color);
    color: white;
}

/* Main Content */
.main {
    flex: 1;
    padding: 24px 0;
}

/* Footer */
.footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 16px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Chat Container */
.chat-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 200px);
    min-height: 500px;
}

.chat-header {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    text-align: center;
}

.chat-header h2 {
    margin-bottom: 4px;
}

.chat-header .subtitle {
    opacity: 0.9;
    font-size: 0.9rem;
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    max-width: 85%;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-message {
    align-self: flex-end;
}

.bot-message {
    align-self: flex-start;
}

.message-content {
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    line-height: 1.5;
}

.user-message .message-content {
    background: var(--primary-color);
    color: white;
    border-bottom-right-radius: 4px;
}

.bot-message .message-content {
    background: #f1f5f9;
    color: var(--text-color);
    border-bottom-left-radius: 4px;
}

.message-content ul {
    margin: 8px 0;
    padding-left: 20px;
}

.message-content li {
    margin: 4px 0;
}

/* Sources */
.sources {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.sources-toggle {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.sources-toggle:hover {
    text-decoration: underline;
}

.sources-list {
    margin-top: 8px;
    font-size: 0.85rem;
    display: none;
}

.sources-list.open {
    display: block;
}

.source-item {
    background: white;
    padding: 8px 12px;
    border-radius: var(--radius);
    margin-top: 8px;
    border-left: 3px solid var(--primary-color);
}

.source-item .source-meta {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.source-item .source-content {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Chat Input */
.chat-input-container {
    padding: 16px 20px;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
}

.chat-form {
    display: flex;
    gap: 12px;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.2s;
}

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

.chat-submit {
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.chat-submit:hover {
    background: var(--primary-dark);
}

.chat-submit:disabled {
    background: var(--secondary-color);
    cursor: not-allowed;
}

/* Loading */
.loading-indicator {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
}

.loading-indicator span {
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.loading-indicator span:nth-child(1) { animation-delay: -0.32s; }
.loading-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Admin Styles */
.admin-container {
    max-width: 800px;
    margin: 0 auto;
}

.admin-section {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.admin-section h3 {
    margin-bottom: 16px;
    color: var(--text-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 8px;
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
}

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

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-secondary:hover {
    background: #475569;
}

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

.btn-warning:hover {
    background: #d97706;
}

/* Status Table */
.status-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
}

.status-table th,
.status-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.status-table th {
    background: var(--bg-color);
    font-weight: 600;
}

.total {
    font-size: 1.1rem;
    margin-top: 8px;
}

/* Result Messages */
.result-container {
    margin-top: 16px;
}

.loading {
    color: var(--text-muted);
    font-style: italic;
}

.success {
    color: var(--success-color);
    padding: 12px;
    background: #f0fdf4;
    border-radius: var(--radius);
}

.error {
    color: var(--error-color);
    padding: 12px;
    background: #fef2f2;
    border-radius: var(--radius);
}

.info {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

/* Auth Styles */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: 20px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

.auth-card h2 {
    text-align: center;
    margin-bottom: 8px;
    color: var(--text-color);
}

.auth-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.2s;
}

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

.form-error {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 4px;
    display: block;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-checkbox {
    width: auto;
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: normal;
}

.btn-block {
    width: 100%;
    padding: 14px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
}

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

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

.alert-info {
    background: #eff6ff;
    color: var(--primary-color);
    border: 1px solid #bfdbfe;
}

.alert-warning {
    background: #fffbeb;
    color: var(--warning-color);
    border: 1px solid #fde68a;
}

/* Navigation User */
.nav-user {
    color: var(--text-color);
    font-weight: 600;
    padding: 8px 12px;
    background: var(--bg-color);
    border-radius: var(--radius);
}

.nav-logout {
    color: var(--error-color) !important;
}

.nav-logout:hover {
    background: var(--error-color) !important;
    color: white !important;
}

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

.btn-register:hover {
    background: var(--primary-dark);
}

.logo {
    text-decoration: none;
}

.admin-welcome {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Settings Styles */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-ok {
    background: #dcfce7;
    color: #16a34a;
}

.status-missing {
    background: #fef3c7;
    color: #d97706;
}

.status-error {
    background: #fee2e2;
    color: #dc2626;
}

.btn-small {
    padding: 4px 12px;
    font-size: 0.85rem;
}

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

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

.form-hint {
    display: block;
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.info-list {
    margin: 0;
    padding-left: 20px;
}

.info-list li {
    margin: 8px 0;
    color: var(--text-muted);
}

.info-list code {
    background: var(--bg-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
}

.admin-nav {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.test-results {
    background: var(--bg-color);
    padding: 16px;
    border-radius: var(--radius);
}

.test-result {
    padding: 8px 0;
}

.test-result:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.settings-form {
    max-width: 500px;
}

/* Quick Links */
.quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.quick-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--bg-color);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text-color);
    border: 2px solid transparent;
    transition: all 0.2s;
}

.quick-link:hover {
    border-color: var(--primary-color);
    background: white;
}

.quick-link-icon {
    font-size: 1.5rem;
}

.quick-link-text {
    font-weight: 600;
}

/* Documents Management */
.documents-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
}

.documents-table th,
.documents-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.documents-table th {
    background: var(--bg-color);
    font-weight: 600;
    position: sticky;
    top: 0;
}

.documents-table td.actions {
    white-space: nowrap;
}

.status-active {
    color: var(--success-color);
    font-weight: 600;
}

.status-inactive {
    color: var(--text-muted);
    font-weight: 600;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-ebm {
    background: #dbeafe;
    color: #1e40af;
}

.badge-goä {
    background: #dcfce7;
    color: #16a34a;
}

.badge-hzv {
    background: #fef3c7;
    color: #d97706;
}

.badge-unknown {
    background: var(--bg-color);
    color: var(--text-muted);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

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

.btn-success:hover {
    background: #16a34a;
}

.documents-container {
    overflow-x: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .chat-container {
        height: calc(100vh - 160px);
        border-radius: 0;
    }

    .message {
        max-width: 95%;
    }

    .chat-form {
        flex-direction: column;
    }

    .chat-submit {
        width: 100%;
    }

    .nav {
        flex-wrap: wrap;
        gap: 8px;
    }

    .auth-card {
        padding: 24px;
    }

    .documents-table {
        font-size: 0.85rem;
    }

    .documents-table th,
    .documents-table td {
        padding: 8px;
    }

    .btn-sm {
        padding: 4px 8px;
        font-size: 0.75rem;
    }
}

/* Progress Bar für asynchrone Jobs */
.progress-container {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.progress-bar {
    width: 100%;
    height: 24px;
    background: var(--bg-color);
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
}

.progress-text {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    text-align: center;
}

/* Statistik-Karten */
.stats-box {
    padding: 1rem;
    background: var(--bg-color);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.stat-card {
    background: var(--card-bg);
    padding: 1.25rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    min-width: 140px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-sublabel {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Context Selection Buttons */
.context-selection {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 12px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: var(--radius);
}

.context-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.context-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-color);
}

.button-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.context-btn {
    padding: 6px 12px;
    background: white;
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.context-btn:hover {
    border-color: var(--primary-color);
    background: #f0f7ff;
}

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

/* Markdown Formatierung */
.message-content h2, .message-content h3, .message-content h4 {
    margin: 12px 0 8px 0;
    font-weight: 600;
    color: var(--text-color);
}

.message-content h2 { font-size: 1.3rem; }
.message-content h3 { font-size: 1.15rem; }
.message-content h4 { font-size: 1rem; }

.message-content code {
    background: #f4f4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.message-content .markdown-table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
    font-size: 0.9rem;
}

.message-content .markdown-table th,
.message-content .markdown-table td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: left;
}

.message-content .markdown-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.message-content .markdown-table tr:nth-child(even) {
    background: #f8f9fa;
}