/* ================================================================
   NappAI Component Validation — Styles
   ================================================================ */

:root {
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-input: #252830;
    --border: #2e3140;
    --text: #e4e6ed;
    --text-muted: #8b8fa3;
    --primary: #6366f1;
    --primary-hover: #818cf8;
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --info: #3b82f6;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* --- Views --- */
.view { display: none; }
.view.active { display: block; }

/* --- Login --- */
.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-logo p {
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-size: 0.95rem;
}

.login-form {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}

/* --- Forms --- */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.label-hint {
    font-weight: 400;
    text-transform: none;
    letter-spacing: normal;
    font-size: 0.8rem;
    opacity: 0.7;
}

.required { color: var(--danger); }

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

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

.form-group textarea {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.82rem;
    line-height: 1.5;
    resize: vertical;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.flex-1 { flex: 1; }

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.input-with-action {
    display: flex;
    gap: 0.5rem;
}

.input-with-action input { flex: 1; }

.inline-form {
    background: var(--bg-input);
    padding: 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

/* --- Suggestions dropdown --- */
.suggestions {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    width: calc(100% - 110px);
    box-shadow: var(--shadow);
}

.suggestions .suggestion-item {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
}

.suggestions .suggestion-item:hover {
    background: var(--primary);
    color: white;
}

.form-group { position: relative; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1.2rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
}
.btn-ghost:hover { color: var(--text); }

.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; }
.btn-full { width: 100%; justify-content: center; }

/* --- Header --- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}

.header h1 {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-subtitle {
    font-weight: 400;
    font-size: 0.85rem;
    -webkit-text-fill-color: var(--text-muted);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-badge {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* --- Tabs --- */
.tabs {
    display: flex;
    gap: 0;
    padding: 0 2rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}

.tab {
    padding: 0.85rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.tab:hover { color: var(--text); }
.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
    padding: 1.5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tab-content.active { display: block; }

/* --- Result tabs (inside validation view) --- */
.result-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
    border-radius: var(--radius) var(--radius) 0 0;
    margin-bottom: 0;
    overflow-x: auto;
}

.result-tab {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
}

.result-tab:hover { color: var(--text); }
.result-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.result-tab-content {
    display: none;
    padding-top: 1rem;
}

.result-tab-content.active { display: block; }

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.card h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-header h2 { margin-bottom: 0; }

/* --- Results --- */
.result-banner {
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.result-banner.approved {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success);
}

.result-banner.rejected {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.result-card {
    margin-bottom: 0;
}

/* --- Rules list --- */
.rule-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.rule-item:last-child { border-bottom: none; }

.rule-badge {
    flex-shrink: 0;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.rule-badge.pass {
    background: var(--success-bg);
    color: var(--success);
}

.rule-badge.fail {
    background: var(--danger-bg);
    color: var(--danger);
}

.rule-severity {
    flex-shrink: 0;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
}

.rule-severity.critical {
    background: var(--danger-bg);
    color: var(--danger);
}

.rule-severity.major {
    background: var(--warning-bg);
    color: var(--warning);
}

.rule-severity.minor {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.rule-content {
    flex: 1;
}

.rule-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.rule-message {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    line-height: 1.4;
}

/* --- Scenarios --- */
.scenario-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
}

.scenario-item:last-child { border-bottom: none; }

.scenario-tag {
    flex-shrink: 0;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--primary);
    color: white;
    opacity: 0.8;
}

/* --- LLM report --- */
.llm-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    position: relative;
}

.llm-section:last-child {
    border-bottom: none;
}

.llm-section h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.llm-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.llm-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.4rem 0;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-muted);
    overflow-wrap: break-word;
    word-break: break-word;
}

.llm-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 0.5rem;
}

.llm-list.critical li::before { background: var(--danger); }
.llm-list.warnings li::before { background: var(--warning); }
.llm-list.suggestions li::before { background: var(--info); }

.llm-detail {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-muted);
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
    clear: both;
}

.confidence-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.confidence-track {
    flex: 1;
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s;
}

.confidence-label {
    font-size: 0.85rem;
    font-weight: 700;
    min-width: 3rem;
}

/* --- Stats --- */
.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-item {
    text-align: center;
    padding: 0.75rem;
    background: var(--bg-input);
    border-radius: var(--radius);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

/* --- Table --- */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.65rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

.data-table th {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.data-table tr:hover td {
    background: rgba(99, 102, 241, 0.05);
}

.status-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.status-badge.approved {
    background: var(--success-bg);
    color: var(--success);
}

.status-badge.rejected {
    background: var(--danger-bg);
    color: var(--danger);
}

.status-badge.pending {
    background: var(--warning-bg);
    color: var(--warning);
}

.status-badge.active {
    background: var(--success-bg);
    color: var(--success);
}

.status-badge.inactive {
    background: var(--danger-bg);
    color: var(--danger);
}

/* --- Empty state --- */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- Error msg --- */
.error-msg {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 0.75rem;
    text-align: center;
}

/* --- Utility --- */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.mono { font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 200px; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .form-row { flex-direction: column; gap: 0.5rem; }
    .results-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .header { padding: 0.75rem 1rem; flex-wrap: wrap; gap: 0.5rem; }
    .header h1 { font-size: 1rem; }
    .header-subtitle { display: none; }
    .header-right { gap: 0.4rem; }
    .tab-content { padding: 0.75rem; }
    .tabs { padding: 0 0.5rem; overflow-x: auto; -webkit-overflow-scrolling: touch; gap: 0; }
    .tab { padding: 0.7rem 0.8rem; font-size: 0.78rem; white-space: nowrap; }
    .card { padding: 1rem; margin-bottom: 1rem; }
    .card h2 { font-size: 1rem; }
    .card h3 { font-size: 0.85rem; }
    .btn { padding: 0.5rem 0.8rem; font-size: 0.82rem; }
    .btn-sm { padding: 0.35rem 0.6rem; font-size: 0.75rem; }
    .data-table { font-size: 0.75rem; display: block; overflow-x: auto; }
    .data-table th, .data-table td { padding: 0.4rem 0.5rem; white-space: nowrap; }
    .result-tabs { gap: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .result-tab { padding: 0.6rem 0.8rem; font-size: 0.78rem; }
    .login-form { padding: 1.5rem; margin: 0 1rem; }
    .login-logo h1 { font-size: 2rem; }
    .user-badge { font-size: 0.75rem; }
    .truncate { max-width: 80px; }
    .input-with-action { flex-direction: column; }
    .form-group label { font-size: 0.75rem; }
    .form-group input, .form-group textarea, .form-group select { font-size: 0.85rem; padding: 0.55rem 0.7rem; }
    .suggestions { width: 100%; }

    /* Result banner compact */
    .result-banner { font-size: 0.85rem; padding: 0.75rem 1rem; }

    /* Score circle smaller on mobile */
    .stat-item { padding: 0.5rem; }
    .stat-value { font-size: 1.3rem; }
    .stat-label { font-size: 0.65rem; }

    /* Doc content */
    .doc-content { font-size: 0.85rem; }
    .doc-content h1 { font-size: 1.3rem; }
    .doc-content h2 { font-size: 1.1rem; padding: 0.5rem 0.75rem; }
    .doc-content table { font-size: 0.75rem; display: block; overflow-x: auto; }
    .doc-content .mermaid { padding: 1rem; }
}

/* --- Documentation styles --- */
.doc-content {
    line-height: 1.8;
    font-size: 0.93rem;
    max-width: 900px;
    color: var(--text);
}

.doc-content h1 {
    font-size: 1.8rem;
    margin: 0 0 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary);
    color: var(--text);
}

.doc-content h2 {
    font-size: 1.3rem;
    margin: 2.5rem 0 1rem;
    padding: 0.6rem 1rem;
    background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(139,92,246,0.08));
    border-left: 4px solid var(--primary);
    border-radius: 0 8px 8px 0;
    color: var(--text);
}

.doc-content h3 {
    font-size: 1.05rem;
    margin: 1.5rem 0 0.6rem;
    color: var(--primary-hover);
}

.doc-content h4 {
    font-size: 0.92rem;
    margin: 1rem 0 0.4rem;
    color: var(--text-muted);
    font-style: italic;
}

.doc-content p { margin: 0.7rem 0; }
.doc-content strong { color: #fff; }

.doc-content a {
    color: var(--primary-hover);
    text-decoration: none;
    border-bottom: 1px dashed var(--primary);
}
.doc-content a:hover { color: #fff; border-bottom-color: #fff; }

.doc-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.2rem 0;
    font-size: 0.85rem;
    border-radius: 8px;
    overflow: hidden;
}
.doc-content th, .doc-content td {
    padding: 0.6rem 0.85rem;
    border: 1px solid var(--border);
    text-align: left;
}
.doc-content th {
    background: var(--primary);
    font-weight: 600;
    color: #fff;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-color: var(--primary);
}
.doc-content tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.doc-content tr:hover td { background: rgba(99,102,241,0.06); }

.doc-content blockquote {
    border-left: 4px solid var(--primary);
    padding: 0.75rem 1.2rem;
    margin: 1.2rem 0;
    background: rgba(99,102,241,0.06);
    border-radius: 0 8px 8px 0;
    color: var(--text-muted);
    font-style: italic;
}

.doc-content ul, .doc-content ol {
    padding-left: 1.5rem;
    margin: 0.6rem 0;
}
.doc-content li {
    margin: 0.4rem 0;
    color: var(--text);
}
.doc-content li::marker { color: var(--primary); }

.doc-content code {
    background: var(--bg-input);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85em;
    color: var(--primary-hover);
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.doc-content pre {
    background: var(--bg-input) !important;
    padding: 1rem !important;
    border-radius: 8px !important;
    overflow-x: auto !important;
    font-size: 0.82rem !important;
    margin: 1rem 0 !important;
    border: 1px solid var(--border) !important;
}
.doc-content pre code {
    background: none;
    padding: 0;
    color: var(--text);
}

.doc-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2.5rem 0;
}

.doc-content .mermaid {
    background: var(--bg-input);
    padding: 2rem;
    border-radius: 12px;
    margin: 1.5rem 0;
    text-align: center;
    border: 1px solid var(--border);
}

/* Index list styling */
.doc-content > ol:first-of-type {
    background: var(--bg-input);
    padding: 1rem 1rem 1rem 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}
.doc-content > ol:first-of-type li {
    color: var(--primary-hover);
    margin: 0.5rem 0;
}
.doc-content > ol:first-of-type a {
    font-weight: 600;
}