:root {
    --app-bg: #f5f7fb;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --border: #e4eaf3;
    --border-strong: #d6deeb;
    --text: #0f172a;
    --muted: #64748b;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-soft: #dbeafe;
    --success-soft: #dcfce7;
    --success: #15803d;
    --warning-soft: #fef3c7;
    --warning: #92400e;
    --danger-soft: #fee2e2;
    --danger: #b91c1c;
    --shadow-sm: 0 10px 30px rgba(15, 23, 42, .06);
    --shadow-md: 0 24px 70px rgba(15, 23, 42, .11);
    --radius: 20px;
}
* { letter-spacing: 0; }
body { background: var(--app-bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { text-decoration: none; }
.public-shell { min-height: 100vh; background: linear-gradient(180deg, #ffffff 0%, #f5f7fb 74%); }
.public-nav { background: rgba(255,255,255,.9); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); }
.brand-mark { width: 40px; height: 40px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), #60a5fa); color: #fff; font-weight: 900; box-shadow: 0 14px 32px rgba(37, 99, 235, .24); }
.hero { padding: 92px 0 46px; }
.hero h1 { letter-spacing: 0; }
.hero-panel { background: linear-gradient(145deg, #1e40af 0%, #2563eb 46%, #60a5fa 100%); border-radius: 32px; min-height: 420px; color: #fff; box-shadow: var(--shadow-md); overflow: hidden; position: relative; }
.hero-panel:after { content: ""; position: absolute; inset: auto -80px -120px auto; width: 260px; height: 260px; background: rgba(255,255,255,.18); border-radius: 999px; }
.hero-panel-grid { display: grid; gap: 16px; padding: 34px; position: relative; z-index: 1; }
.mock-card { background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.24); border-radius: 20px; padding: 20px; backdrop-filter: blur(12px); }
.feature-card, .app-card, .section-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.feature-card { transition: transform .18s ease, box-shadow .18s ease; }
.feature-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.feature-icon { width: 46px; height: 46px; border-radius: 15px; background: var(--primary-soft); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-weight: 900; }
.step-number { width: 34px; height: 34px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; background: var(--primary); color: #fff; font-weight: 900; }
.app-shell { min-height: 100vh; display: flex; background: var(--app-bg); }
.sidebar { width: 292px; flex: 0 0 292px; min-height: 100vh; background: #fff; border-right: 1px solid var(--border); padding: 24px; position: sticky; top: 0; align-self: flex-start; }
.sidebar-logo { display: flex; gap: 12px; align-items: center; margin-bottom: 30px; color: var(--text); font-weight: 900; }
.sidebar-section { color: #94a3b8; font-size: 11px; text-transform: uppercase; font-weight: 900; margin: 22px 12px 8px; }
.sidebar-link, .sidebar-button { width: 100%; border: 0; background: transparent; display: flex; align-items: center; gap: 11px; padding: 11px 12px; border-radius: 14px; color: #475569; font-weight: 750; font-size: 14px; text-align: left; }
.sidebar-link:hover, .sidebar-button:hover, .sidebar-link.active { background: #eff6ff; color: var(--primary); }
.sidebar-link.disabled { color: #a0aec0; cursor: default; }
.sidebar-dot { width: 9px; height: 9px; border-radius: 50%; background: currentColor; opacity: .75; }
.app-main { flex: 1; min-width: 0; }
.topbar { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0 34px; background: rgba(245,247,251,.86); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(229,231,235,.75); position: sticky; top: 0; z-index: 10; }
.content-wrap { padding: 32px 34px 54px; max-width: 1540px; }
.user-chip { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 7px 13px; box-shadow: var(--shadow-sm); }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-weight: 900; }
.page-eyebrow { color: var(--primary); font-weight: 900; font-size: 12px; text-transform: uppercase; }
.page-title { font-weight: 900; margin: 0; }
.page-subtitle { color: var(--muted); margin: 8px 0 0; max-width: 760px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); height: 100%; }
.stat-label { color: var(--muted); font-weight: 800; font-size: 13px; }
.stat-value { font-size: 34px; font-weight: 900; margin-top: 10px; }
.stat-note { color: var(--muted); font-size: 13px; }
.card { border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.card-header { background: #fff; border-bottom: 1px solid var(--border); border-radius: var(--radius) var(--radius) 0 0 !important; padding: 18px 20px; }
.table { --bs-table-bg: transparent; }
.table thead th { color: #64748b; font-size: 12px; text-transform: uppercase; border-bottom: 1px solid var(--border); padding: 15px 18px; white-space: nowrap; }
.table tbody td { padding: 16px 18px; vertical-align: middle; border-color: #eef2f7; }
.table-hover tbody tr:hover { background: #f8fafc; }
.status-badge { border-radius: 999px; padding: 6px 10px; font-size: 12px; font-weight: 900; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.status-draft { background: var(--warning-soft); color: var(--warning); }
.status-ready, .status-success { background: var(--success-soft); color: var(--success); }
.status-archived { background: #e5e7eb; color: #374151; }
.status-failed, .status-danger { background: var(--danger-soft); color: var(--danger); }
.status-blocked { background: var(--warning-soft); color: var(--warning); }
.btn { border-radius: 12px; font-weight: 800; padding: .64rem .98rem; }
.btn-sm { border-radius: 10px; padding: .42rem .72rem; }
.btn-primary { background: var(--primary); border-color: var(--primary); box-shadow: 0 12px 28px rgba(37, 99, 235, .18); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-outline-primary { border-color: #bfdbfe; color: var(--primary); background: #fff; }
.btn-outline-primary:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-neutral { background: #f1f5f9; color: #334155; border-color: #e2e8f0; }
.form-control, .form-select { border-radius: 13px; border-color: #dbe3ef; padding: .74rem .9rem; }
.form-control:focus, .form-select:focus { border-color: #93c5fd; box-shadow: 0 0 0 .25rem rgba(37,99,235,.12); }
.form-label { font-weight: 800; color: #334155; }
.form-help { color: var(--muted); font-size: 13px; margin-top: 6px; }
.auth-shell { min-height: calc(100vh - 73px); display: grid; place-items: center; padding: 48px 0; }
.auth-card { border: 1px solid var(--border); border-radius: 28px; box-shadow: var(--shadow-md); background: #fff; max-width: 520px; margin: 0 auto; }
.auth-form { padding: 42px; }
.editor-tabs .nav-link { border: 0; color: var(--muted); font-weight: 900; border-radius: 12px; }
.editor-tabs .nav-link.active { background: var(--primary-soft); color: var(--primary); }
.code-block { background: #0f172a; color: #dbeafe; border-radius: 14px; padding: 16px; white-space: pre-wrap; max-height: 360px; overflow: auto; }
.empty-state { padding: 42px; text-align: center; color: var(--muted); }
.workspace-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.3fr); gap: 24px; align-items: start; }
.field-section + .field-section { margin-top: 22px; }

@media (max-width: 991.98px) {
    .app-shell { display: block; }
    .sidebar { width: 100%; min-height: auto; position: static; border-right: 0; border-bottom: 1px solid var(--border); }
    .sidebar-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
    .sidebar-section { grid-column: 1 / -1; }
    .topbar { padding: 14px 18px; position: static; }
    .content-wrap { padding: 24px 18px 38px; }
    .auth-form { padding: 30px; }
    .workspace-grid { grid-template-columns: 1fr; }
}
@media (max-width: 575.98px) {
    .hero { padding-top: 52px; }
    .stat-value { font-size: 28px; }
    .sidebar-nav { grid-template-columns: 1fr; }
    .d-flex.actions { flex-direction: column; align-items: stretch !important; }
    .hero-panel-grid { padding: 22px; }
}