/* ═══════════════════════════════════════════════════
   B24 Migration Cloud Agent — Styles
   ═══════════════════════════════════════════════════ */

:root {
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-card-hover: #22263a;
    --bg-input: #14161f;
    --border: #2a2e3f;
    --border-active: #667eea;
    --text: #e4e6ef;
    --text-muted: #8b8fa8;
    --text-label: #6b7098;
    --accent: #667eea;
    --accent-hover: #7b8ff0;
    --accent-glow: rgba(102, 126, 234, 0.15);
    --success: #34d399;
    --warning: #fbbf24;
    --error: #f87171;
    --info: #60a5fa;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 4px 24px rgba(0,0,0,0.25);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ─── App Layout ──────────────────────────────────── */
.app {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100vh;
}

/* ─── Header ──────────────────────────────────────── */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-size: 16px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.version-badge {
    font-size: 11px;
    padding: 2px 8px;
    background: var(--accent-glow);
    color: var(--accent);
    border-radius: 20px;
    font-weight: 600;
}

.auth-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

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

.status-dot.connected { background: var(--success); box-shadow: 0 0 8px rgba(52,211,153,0.5); }
.status-dot.error { background: var(--error); box-shadow: 0 0 8px rgba(248,113,113,0.5); }

/* ─── Tabs ────────────────────────────────────────── */
.tabs {
    display: flex;
    gap: 4px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }

.tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font);
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition);
}

.tab:hover { color: var(--text); background: var(--bg-card); }
.tab.active {
    color: var(--accent);
    background: var(--accent-glow);
}

/* ─── Content ─────────────────────────────────────── */
.content { padding: 20px 0; }

.tab-panel { display: none; animation: fadeIn 0.3s ease; }
.tab-panel.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 20px;
}

/* ─── Cards Grid ──────────────────────────────────── */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    transition: all var(--transition);
}

.card:hover {
    border-color: var(--border-active);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.card-gradient {
    background: var(--gradient);
    border-color: transparent;
}

.card-gradient h3,
.card-gradient .card-value,
.card-gradient .card-label { color: #fff; }

.card-icon {
    font-size: 24px;
    margin-bottom: 10px;
}

.card h3 {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.card-gradient h3 { opacity: 0.85; }

.card-value {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
    word-break: break-all;
}

.card-label {
    font-size: 11px;
    color: var(--text-label);
}

.status-idle { color: var(--text-muted); }
.status-running { color: var(--warning); }
.status-done { color: var(--success); }
.status-error { color: var(--error); }

/* ─── Buttons ─────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--gradient);
    color: #fff;
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 4px 16px rgba(102,126,234,0.4);
    transform: translateY(-1px);
}

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

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

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

.btn-outline:hover:not(:disabled) { background: var(--accent-glow); }

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

.actions-bar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ─── Forms ───────────────────────────────────────── */
.input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 13px;
    transition: border-color var(--transition);
    outline: none;
}

.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.input::placeholder { color: var(--text-label); }
.input-sm { padding: 6px 10px; font-size: 12px; width: auto; }

.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.compare-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

/* ─── Results Area ────────────────────────────────── */
.results-area { margin-top: 16px; }

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-style: italic;
}

/* ─── Data Table ──────────────────────────────────── */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th {
    text-align: left;
    padding: 10px 14px;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-input);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.data-table tr:hover td { background: var(--bg-card); }

/* ─── Progress Bar ────────────────────────────────── */
.progress-bar {
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 8px;
}

.progress-bar-fill {
    height: 100%;
    background: var(--gradient);
    border-radius: 3px;
    transition: width 0.5s ease;
    position: relative;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ─── Logs ────────────────────────────────────────── */
.log-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
}

.logs-list {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-height: 500px;
    overflow-y: auto;
}

.log-entry {
    display: flex;
    gap: 10px;
    padding: 8px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    font-family: 'JetBrains Mono', monospace;
}

.log-entry:last-child { border-bottom: none; }

.log-time { color: var(--text-label); white-space: nowrap; }
.log-level { font-weight: 600; text-transform: uppercase; min-width: 50px; }
.log-level.info { color: var(--info); }
.log-level.warning { color: var(--warning); }
.log-level.error { color: var(--error); }
.log-message { color: var(--text); flex: 1; word-break: break-word; }

/* ─── Entity Checklist ────────────────────────────── */
.entity-checklist {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 8px;
    margin-bottom: 16px;
}

.entity-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.entity-item:hover { border-color: var(--accent); }
.entity-item.selected { border-color: var(--accent); background: var(--accent-glow); }

.entity-item input[type="checkbox"] { accent-color: var(--accent); }
.entity-item .count { margin-left: auto; font-size: 12px; color: var(--text-muted); }

/* ─── Compare Results ─────────────────────────────── */
.compare-row { display: flex; align-items: center; gap: 8px; padding: 6px 0; }
.compare-bar { flex: 1; }
.compare-pct {
    font-size: 12px;
    font-weight: 700;
    min-width: 45px;
    text-align: right;
}

.pct-100 { color: var(--success); }
.pct-partial { color: var(--warning); }
.pct-0 { color: var(--error); }

/* ─── Loading Spinner ─────────────────────────────── */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* ─── Toast Notification ──────────────────────────── */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    z-index: 9999;
    animation: slideUp 0.3s ease;
    max-width: 360px;
    box-shadow: var(--shadow);
}

.toast.success { background: #059669; }
.toast.error { background: #dc2626; }
.toast.info { background: #2563eb; }

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

/* ─── Responsive ──────────────────────────────────── */
@media (max-width: 600px) {
    .cards-grid { grid-template-columns: 1fr 1fr; }
    .card-value { font-size: 18px; }
    .tabs { gap: 2px; }
    .tab { padding: 6px 10px; font-size: 12px; }
}