* { box-sizing: border-box; }
body {
    margin: 0; font-family: 'Segoe UI', system-ui, sans-serif;
    background: #0f172a; color: #f8fafc; line-height: 1.5;
}
a { color: #818cf8; text-decoration: none; }
a:hover { color: #c4b5fd; }

.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { background: rgba(30,41,59,0.8); padding: 40px; border-radius: 16px; width: 340px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); border: 1px solid rgba(255,255,255,0.1); }
.login-box h2 { margin-top: 0; color: #c4b5fd; text-align: center; }
.login-box input { width: 100%; padding: 12px; margin-bottom: 14px; border: 1px solid rgba(255,255,255,0.1); background: rgba(0,0,0,0.2); color: #fff; border-radius: 8px; font-size: 1em; }
.login-box button { width: 100%; padding: 12px; background: linear-gradient(135deg,#6366f1,#a855f7); color: #fff; border: none; border-radius: 8px; cursor: pointer; font-weight: bold; }
.login-error { color: #fca5a5; margin-bottom: 12px; font-size: 0.9em; }

.shell { max-width: 1200px; margin: 0 auto; padding: 24px 16px 60px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 10px; }
.topbar h1 { font-size: 1.4em; margin: 0; }
.nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav button { background: rgba(71,85,105,0.5); color: #e2e8f0; border: none; padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 0.9em; }
.nav button.active { background: linear-gradient(135deg,#6366f1,#8b5cf6); }

.card { background: rgba(30,41,59,0.7); padding: 20px; border-radius: 14px; margin-bottom: 20px; border: 1px solid rgba(255,255,255,0.05); backdrop-filter: blur(8px); }
.card h3 { margin-top: 0; }

.btn { padding: 9px 16px; border: none; border-radius: 7px; cursor: pointer; font-weight: 600; font-size: 0.88em; }
.btn-primary { background: linear-gradient(135deg,#6366f1,#8b5cf6); color: #fff; }
.btn-secondary { background: rgba(71,85,105,0.8); color: #fff; }
.btn-danger { background: rgba(220,38,38,0.8); color: #fff; }
.btn-success { background: rgba(16,185,129,0.8); color: #fff; }
.btn-small { padding: 5px 10px; font-size: 0.78em; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 0.78em; text-transform: uppercase; letter-spacing: 0.04em; color: #94a3b8; padding: 10px; border-bottom: 1px solid rgba(255,255,255,0.1); }
td { padding: 10px; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 0.92em; vertical-align: middle; }

.pill { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 0.78em; font-weight: 600; }
.pill-green { background: rgba(16,185,129,0.15); color: #34d399; }
.pill-red { background: rgba(248,113,113,0.15); color: #f87171; }
.pill-amber { background: rgba(251,191,36,0.15); color: #fbbf24; }
.pill-purple { background: rgba(139,92,246,0.15); color: #c4b5fd; }

input[type="text"], input[type="number"], input[type="date"], select, textarea {
    padding: 9px 11px; background: rgba(0,0,0,0.25); border: 1px solid rgba(255,255,255,0.12); color: #fff;
    border-radius: 6px; font-size: 0.92em;
}
label.small { font-size: 0.78em; color: #94a3b8; display: block; margin-bottom: 4px; }
.form-row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 10px; }
.form-row > div { display: flex; flex-direction: column; }

.builder-header { display: flex; flex-direction: column; }
.builder-header-title { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.builder-header-title h3 { margin: 0; }

.builder-tabs { display: none; gap: 8px; margin-bottom: 14px; }
.builder-tab { flex: 1; padding: 10px; border-radius: 8px; border: none; background: rgba(255,255,255,0.05); color: #cbd5e1; cursor: pointer; font-weight: 600; font-size: 0.9em; }
.builder-tab.active { background: linear-gradient(135deg,#6366f1,#8b5cf6); color: #fff; }

.builder-pane-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.builder-pane-head h3 { margin: 0; }

.builder-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; align-items: start; }
@media (max-width: 900px) {
    .builder-layout { grid-template-columns: 1fr; }
    .builder-tabs { display: flex; }
    .builder-pane.mobile-hidden { display: none; }
}

.builder-savebar {
    position: sticky; bottom: 0; margin-top: 20px; padding: 14px 18px; display: flex; gap: 10px; justify-content: flex-end;
    background: rgba(15,23,42,0.88); backdrop-filter: blur(10px); border-top: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px 12px 0 0; z-index: 50;
}

.field-row-card {
    background: rgba(15,23,42,0.6); border: 1px solid rgba(255,255,255,0.06); border-radius: 10px;
    padding: 12px; margin-bottom: 10px; transition: border-color 0.15s ease;
}
.field-row-card:hover { border-color: rgba(255,255,255,0.14); }
.field-row-card.dragging { opacity: 0.4; }
.field-row-card.archived { opacity: 0.55; border-style: dashed; }
@keyframes frcPop { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
.field-row-card.frc-new { animation: frcPop 0.25s ease; }

.frc-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; cursor: pointer; }
.frc-handle { color: #64748b; cursor: grab; padding: 2px; display: flex; align-items: center; flex-shrink: 0; }
.frc-handle:active { cursor: grabbing; }
.ftype-badge {
    display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
    width: 26px; height: 26px; border-radius: 8px;
    background: color-mix(in srgb, var(--tcolor, #6366f1) 18%, transparent);
    color: var(--tcolor, #6366f1);
}
.frc-headtext { flex: 1; min-width: 0; }
.frc-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.frc-sub { font-size: 0.78em; color: #94a3b8; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.frc-actions { display: flex; align-items: center; gap: 4px; flex-shrink: 0; margin-left: auto; }
.frc-icon-btn {
    width: 28px; height: 28px; border-radius: 6px; border: none; cursor: pointer; flex-shrink: 0;
    background: rgba(255,255,255,0.06); color: #cbd5e1; display: flex; align-items: center; justify-content: center;
}
.frc-icon-btn:hover { background: rgba(255,255,255,0.14); }
.frc-icon-btn.frc-icon-danger:hover { background: rgba(220,38,38,0.25); color: #fca5a5; }
.frc-icon-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.frc-icon-btn:disabled:hover { background: rgba(255,255,255,0.06); }
.frc-chevron { display: flex; color: #94a3b8; transition: transform 0.2s ease; margin-left: 2px; }
.frc-chevron.open { transform: rotate(180deg); }

.frc-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.22s ease; }
.frc-body.open { grid-template-rows: 1fr; }
.frc-body-inner { overflow: hidden; min-height: 0; }
.frc-body.open .frc-body-inner { padding-top: 12px; }

.frc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 560px) { .frc-grid { grid-template-columns: 1fr; } }
.frc-grid-full { grid-column: 1 / -1; }
.frc-check { display: flex; align-items: center; gap: 6px; font-size: 0.85em; }
.frc-options { margin-top: 6px; }
.frc-opt-row { display: flex; gap: 6px; margin-bottom: 6px; }

.field-key-error { color: #fca5a5; font-size: 0.72em; margin-top: 4px; display: none; }
input.input-error { border-color: #ef4444 !important; }

.type-picker-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.55); display: flex; align-items: center; justify-content: center; z-index: 10000; padding: 16px; }
.type-picker {
    background: #1e293b; border: 1px solid rgba(255,255,255,0.1); border-radius: 14px; padding: 20px;
    width: 100%; max-width: 440px; max-height: 80vh; overflow-y: auto; box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.type-picker-title { font-weight: 700; margin-bottom: 14px; font-size: 1.05em; }
.type-picker-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 480px) { .type-picker-grid { grid-template-columns: 1fr; } }
.type-picker-opt {
    display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 10px;
    background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.06); cursor: pointer; text-align: left; color: #fff;
}
.type-picker-opt:hover { background: rgba(255,255,255,0.09); border-color: var(--tcolor); }
.type-picker-opt-text { display: flex; flex-direction: column; }
.type-picker-opt-text small { color: #94a3b8; font-size: 0.78em; }

.empty-state { text-align: center; color: #64748b; padding: 40px 20px; }

.tpl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.tpl-card {
    background: rgba(30,41,59,0.7); border: 1px solid rgba(255,255,255,0.06); border-radius: 14px; padding: 18px;
    display: flex; flex-direction: column; gap: 10px; transition: transform 0.15s ease, border-color 0.15s ease;
}
.tpl-card:hover { border-color: rgba(139,92,246,0.4); transform: translateY(-2px); }
.tpl-card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.tpl-card-head h4 { margin: 0; font-size: 1.05em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tpl-card-stats { display: flex; gap: 18px; }
.tpl-stat { display: flex; flex-direction: column; }
.tpl-stat b { font-size: 1.2em; }
.tpl-stat span { font-size: 0.72em; color: #94a3b8; text-transform: uppercase; letter-spacing: 0.03em; }
.tpl-card-meta { font-size: 0.78em; color: #64748b; }
.tpl-card-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; }

.preview-frame { background: #0f0f1d; border-radius: 10px; padding: 16px; position: sticky; top: 16px; max-height: 80vh; overflow-y: auto; }
.preview-frame iframe { width: 100%; height: 640px; border: 0; border-radius: 8px; background: #0f0f1d; }

.summary-box { background: rgba(251,191,36,0.08); border: 1px solid rgba(251,191,36,0.25); border-radius: 10px; padding: 14px; margin: 14px 0; font-size: 0.9em; }
.summary-box ul { margin: 8px 0 0; padding-left: 20px; }

.toast { position: fixed; right: 16px; bottom: 16px; background: #1e293b; color: #fff; padding: 10px 16px; border-radius: 8px; z-index: 9999; box-shadow: 0 4px 14px rgba(0,0,0,0.4); }
.toast.error { background: #7f1d1d; }

.link-cell { display: flex; gap: 6px; align-items: center; }
.link-cell input { width: 160px; font-size: 0.72em; }

.strip { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.strip .stat-label { font-size: 0.78em; color: #94a3b8; }
.strip .stat-value { font-weight: 600; }