/* ═══════════════════════════════════════════════════════════
   ProspectAI — Dark Intelligence Theme
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-card-hover: #1a1a26;
    --bg-elevated: #1e1e2a;
    --border: #2a2a3a;
    --border-light: #222233;

    --text-primary: #e8e8f0;
    --text-secondary: #9898b0;
    --text-muted: #6868808a;
    --text-bright: #ffffff;

    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-dim: #6366f120;
    --accent-glow: #6366f140;

    --success: #34d399;
    --success-dim: #34d39920;
    --warning: #fbbf24;
    --warning-dim: #fbbf2420;
    --danger: #f87171;
    --danger-dim: #f8717120;
    --info: #60a5fa;
    --info-dim: #60a5fa20;

    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Cascadia Code', monospace;

    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow: 0 4px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
}

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

html, body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ─── Layout ──────────────────────────────────────────────── */

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    padding: 24px 24px 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar-brand h1 {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-brand .subtitle {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border-radius: var(--radius);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s ease;
    margin-bottom: 2px;
}

.nav-item:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-dim);
    color: var(--accent-hover);
}

.nav-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-item.active svg { opacity: 1; }

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px 40px;
    min-height: 100vh;
}

/* ─── Page Header ─────────────────────────────────────────── */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.page-title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-bright);
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ─── Cards ───────────────────────────────────────────────── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.2s ease;
}

.card:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-bright);
}

/* ─── Stat Cards ──────────────────────────────────────────── */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.stat-card.accent::before { background: var(--accent); }
.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before { background: var(--danger); }
.stat-card.info::before { background: var(--info); }

.stat-value {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--text-bright);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* ─── Buttons ─────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1.4;
}

.btn svg {
    width: 16px;
    height: 16px;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.btn-success {
    background: var(--success);
    color: #0a0a0f;
}

.btn-success:hover { opacity: 0.9; }

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-danger:hover {
    background: var(--danger-dim);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 12px;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 15px;
}

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

/* ─── Forms ───────────────────────────────────────────────── */

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    transition: border-color 0.15s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239898b0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

/* ─── Tables ──────────────────────────────────────────────── */

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

.data-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background 0.1s ease;
}

.data-table tbody tr:hover {
    background: var(--bg-elevated);
}

.data-table a {
    color: var(--accent-hover);
    text-decoration: none;
    font-weight: 600;
}

.data-table a:hover {
    text-decoration: underline;
}

/* ─── Status Badges ───────────────────────────────────────── */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-discovered { background: var(--info-dim); color: var(--info); }
.badge-reportgenerated { background: var(--warning-dim); color: var(--warning); }
.badge-emaildrafted { background: #a78bfa20; color: #a78bfa; }
.badge-emailsent { background: var(--success-dim); color: var(--success); }
.badge-replied { background: var(--accent-dim); color: var(--accent-hover); }
.badge-converted { background: #34d39940; color: #34d399; }
.badge-rejected { background: var(--danger-dim); color: var(--danger); }

.badge-sent { background: var(--success-dim); color: var(--success); }
.badge-failed { background: var(--danger-dim); color: var(--danger); }
.badge-pending { background: var(--warning-dim); color: var(--warning); }

/* ─── Alerts ──────────────────────────────────────────────── */

.alert {
    padding: 14px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: var(--success-dim);
    color: var(--success);
    border: 1px solid #34d39930;
}

.alert-error {
    background: var(--danger-dim);
    color: var(--danger);
    border: 1px solid #f8717130;
}

/* ─── Discovery ───────────────────────────────────────────── */

.discovery-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px;
    max-width: 700px;
    margin: 0 auto;
}

.discovery-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.discovery-input-group .form-control {
    flex: 1;
    padding: 16px 20px;
    font-size: 16px;
    border-radius: var(--radius-lg);
}

.discovery-input-group .btn {
    padding: 16px 32px;
    font-size: 15px;
    border-radius: var(--radius-lg);
}

.discovery-suggestions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.suggestion-chip {
    padding: 6px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}

.suggestion-chip:hover {
    background: var(--accent-dim);
    color: var(--accent-hover);
    border-color: var(--accent);
}

/* ─── Discovery Results ───────────────────────────────────── */

.company-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all 0.2s ease;
}

.company-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-dim);
}

.company-card.deselected {
    opacity: 0.4;
}

.company-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 16px;
}

.company-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
}

.company-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-bright);
}

.company-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.company-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.company-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

/* ─── Detail Page ─────────────────────────────────────────── */

.detail-grid {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 24px;
}

.detail-sidebar .card {
    position: sticky;
    top: 32px;
}

.detail-field {
    margin-bottom: 16px;
}

.detail-field-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.detail-field-value {
    font-size: 14px;
    color: var(--text-primary);
    word-break: break-word;
}

.report-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    line-height: 1.7;
    font-size: 14px;
}

.report-content h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-hover);
    margin: 28px 0 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.report-content h2:first-child { margin-top: 0; }

.report-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-bright);
    margin: 20px 0 10px;
}

.report-content p { margin-bottom: 12px; color: var(--text-secondary); }
.report-content ul, .report-content ol { margin: 8px 0 16px 20px; color: var(--text-secondary); }
.report-content li { margin-bottom: 6px; }

.report-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.report-content table th,
.report-content table td {
    padding: 10px 14px;
    border: 1px solid var(--border);
    font-size: 13px;
}

.report-content table th {
    background: var(--bg-elevated);
    font-weight: 600;
    color: var(--text-bright);
}

.email-preview {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    font-size: 14px;
    line-height: 1.7;
    white-space: pre-wrap;
    color: var(--text-secondary);
}

/* ─── Checkbox (custom) ──────────────────────────────────── */

.custom-check {
    width: 20px;
    height: 20px;
    appearance: none;
    border: 2px solid var(--border);
    border-radius: 5px;
    background: var(--bg-primary);
    cursor: pointer;
    position: relative;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.custom-check:checked {
    background: var(--accent);
    border-color: var(--accent);
}

.custom-check:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: 700;
}

/* ─── Loading Spinner ─────────────────────────────────────── */

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 15, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    flex-direction: column;
    gap: 16px;
}

.loading-overlay .spinner {
    width: 36px;
    height: 36px;
    border-width: 3px;
}

.loading-overlay p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* ─── Responsive ──────────────────────────────────────────── */

@media (max-width: 1024px) {
    .sidebar { width: 220px; }
    .main-content { margin-left: 220px; padding: 24px; }
    .detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar {
        position: relative;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .sidebar-nav { display: flex; overflow-x: auto; padding: 8px; }
    .nav-item { white-space: nowrap; }
    .main-content { margin-left: 0; }
    .app-shell { flex-direction: column; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .company-grid { grid-template-columns: 1fr; }
}

/* ─── Utility ─────────────────────────────────────────────── */

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 13px; }
.text-mono { font-family: var(--font-mono); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 16px; }
.gap-1 { gap: 8px; }
.w-full { width: 100%; }