/* ============================================================
   REIGNFLOW Design System — Premium B2B SaaS
   Accent: blue family (user preference)
   ============================================================ */
:root {
  /* Surfaces */
  --rf-bg: #f6f8fb;
  --rf-surface: #ffffff;
  --rf-surface-2: #f1f5f9;
  --rf-surface-hover: #f8fafc;
  /* Text */
  --rf-text: #0f172a;
  --rf-text-2: #475569;
  --rf-text-3: #94a3b8;
  /* Border */
  --rf-border: #e2e8f0;
  --rf-border-strong: #cbd5e1;
  /* Brand blue */
  --rf-primary: #2563eb;
  --rf-primary-hover: #1d4ed8;
  --rf-primary-soft: #eff6ff;
  --rf-primary-mid: #3b82f6;
  --rf-primary-deep: #1e3a8a;
  /* Semantic */
  --rf-success: #059669;
  --rf-success-soft: #ecfdf5;
  --rf-warn: #d97706;
  --rf-warn-soft: #fffbeb;
  --rf-danger: #dc2626;
  --rf-danger-soft: #fef2f2;
  /* Sidebar */
  --rf-sidebar: #0b1220;
  --rf-sidebar-text: #94a3b8;
  --rf-sidebar-active: #ffffff;
  --rf-sidebar-hover: rgba(148,163,184,.08);
  /* Radii */
  --rf-radius-sm: 8px;
  --rf-radius: 12px;
  --rf-radius-lg: 16px;
  --rf-radius-xl: 20px;
  /* Shadow */
  --rf-shadow-sm: 0 1px 2px rgba(15,23,42,.04);
  --rf-shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.05);
  --rf-shadow-lg: 0 4px 6px rgba(15,23,42,.03), 0 16px 40px rgba(15,23,42,.08);
  /* Motion */
  --rf-ease: cubic-bezier(.22,1,.36,1);
  --rf-fast: 150ms;
  --rf-med: 220ms;
  /* Font */
  --rf-font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html.dark {
  --rf-bg: #0b1220;
  --rf-surface: #111827;
  --rf-surface-2: #1e293b;
  --rf-surface-hover: #1a2332;
  --rf-text: #f1f5f9;
  --rf-text-2: #94a3b8;
  --rf-text-3: #64748b;
  --rf-border: #1e293b;
  --rf-border-strong: #334155;
  --rf-primary-soft: rgba(37,99,235,.15);
  --rf-shadow-sm: 0 1px 2px rgba(0,0,0,.2);
  --rf-shadow: 0 1px 2px rgba(0,0,0,.2), 0 8px 24px rgba(0,0,0,.25);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--rf-font);
  background: var(--rf-bg);
  color: var(--rf-text);
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.5;
}

/* ---- Typography ---- */
.rf-h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em; color: var(--rf-text); }
.rf-h2 { font-size: 1.125rem; font-weight: 600; letter-spacing: -.01em; color: var(--rf-text); }
.rf-h3 { font-size: 0.9375rem; font-weight: 600; color: var(--rf-text); }
.rf-meta { font-size: 0.75rem; color: var(--rf-text-3); font-weight: 500; }
.rf-label { font-size: 0.75rem; font-weight: 600; color: var(--rf-text-2); text-transform: uppercase; letter-spacing: .04em; }

/* ---- Logo ---- */
.rf-logo {
  display: inline-flex; align-items: baseline; gap: 0;
  font-weight: 800; letter-spacing: -.03em; font-size: 1.05rem;
  color: var(--rf-text); text-decoration: none;
}
.rf-logo .rf-logo-reign { color: inherit; }
.rf-logo .rf-logo-flow { font-weight: 600; color: var(--rf-primary); }
.rf-logo-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  display: grid; place-items: center; color: #fff; font-size: 13px; font-weight: 800;
  box-shadow: 0 4px 12px rgba(37,99,235,.35);
  margin-right: 10px; flex-shrink: 0;
}
#app aside .rf-logo { color: #f8fafc; }
#app aside .rf-logo .rf-logo-flow { color: #93c5fd; }

/* ---- Buttons ---- */
.rf-btn, button.rf-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: var(--rf-radius-sm);
  font-size: 13px; font-weight: 600; font-family: inherit;
  border: 1px solid transparent; cursor: pointer;
  transition: background var(--rf-fast), border-color var(--rf-fast), box-shadow var(--rf-fast), transform var(--rf-fast);
}
.rf-btn:active { transform: scale(.98); }
.rf-btn-primary {
  background: var(--rf-primary); color: #fff;
  box-shadow: 0 1px 2px rgba(37,99,235,.2), 0 4px 12px rgba(37,99,235,.25);
}
.rf-btn-primary:hover { background: var(--rf-primary-hover); }
.rf-btn-secondary {
  background: var(--rf-surface); color: var(--rf-text);
  border-color: var(--rf-border); box-shadow: var(--rf-shadow-sm);
}
.rf-btn-secondary:hover { background: var(--rf-surface-hover); border-color: var(--rf-border-strong); }
.rf-btn-ghost { background: transparent; color: var(--rf-text-2); }
.rf-btn-ghost:hover { background: var(--rf-surface-2); color: var(--rf-text); }
.rf-btn-danger { background: var(--rf-danger); color: #fff; }
.rf-btn-danger:hover { background: #b91c1c; }

/* Map common Tailwind primary buttons to RF look */
button.bg-primary-600, button.bg-indigo-600, .bg-primary-600 {
  background: var(--rf-primary) !important;
  box-shadow: 0 4px 12px rgba(37,99,235,.28);
}
button.bg-primary-600:hover, button.bg-indigo-600:hover {
  background: var(--rf-primary-hover) !important;
}

/* ---- Cards ---- */
.rf-card, .ct-kpi-card, .bg-white.rounded-xl, .bg-white.rounded-2xl {
  background: var(--rf-surface) !important;
  border: 1px solid var(--rf-border) !important;
  border-radius: var(--rf-radius-lg) !important;
  box-shadow: var(--rf-shadow-sm);
  transition: box-shadow var(--rf-med) var(--rf-ease), border-color var(--rf-fast);
}
.ct-kpi-card:hover, .rf-card:hover {
  box-shadow: var(--rf-shadow);
  border-color: var(--rf-border-strong) !important;
}
.ct-kpi-card {
  padding: 18px 20px !important;
  position: relative; overflow: hidden;
}
.ct-kpi-card .v {
  font-size: 1.5rem !important; font-weight: 700 !important;
  letter-spacing: -.03em; color: var(--rf-text) !important;
  background: none !important; -webkit-text-fill-color: unset !important;
}
.ct-kpi-card .l {
  font-size: 12px !important; color: var(--rf-text-2) !important; font-weight: 500 !important;
}
.ct-kpi-card .ico {
  border-radius: 10px !important;
  background: var(--rf-primary-soft) !important;
  color: var(--rf-primary) !important;
}
.ct-kpi-card::before { display: none !important; }

/* ---- Badges ---- */
.rf-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600; line-height: 1.4;
}
.rf-badge-blue { background: var(--rf-primary-soft); color: var(--rf-primary); }
.rf-badge-green { background: var(--rf-success-soft); color: var(--rf-success); }
.rf-badge-amber { background: var(--rf-warn-soft); color: var(--rf-warn); }
.rf-badge-red { background: var(--rf-danger-soft); color: var(--rf-danger); }
.rf-badge-gray { background: var(--rf-surface-2); color: var(--rf-text-2); }

/* ---- Tables ---- */
table {
  border-collapse: collapse; width: 100%;
}
table thead th {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .04em; color: var(--rf-text-3);
  padding: 10px 16px; border-bottom: 1px solid var(--rf-border);
  background: var(--rf-surface);
  position: sticky; top: 0; z-index: 1;
}
table tbody td {
  padding: 12px 16px; border-bottom: 1px solid var(--rf-border);
  font-size: 13px; color: var(--rf-text);
}
table tbody tr { transition: background var(--rf-fast); }
table tbody tr:hover { background: var(--rf-primary-soft) !important; }
table tbody tr:last-child td { border-bottom: none; }

/* ---- Inputs ---- */
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="search"], input[type="tel"], input[type="url"], input[type="date"],
select, textarea, .ct-input {
  background: var(--rf-surface) !important;
  border: 1px solid var(--rf-border) !important;
  border-radius: var(--rf-radius-sm) !important;
  color: var(--rf-text) !important;
  font-family: inherit;
  transition: border-color var(--rf-fast), box-shadow var(--rf-fast);
}
input:focus, select:focus, textarea:focus, .ct-input:focus {
  outline: none !important;
  border-color: var(--rf-primary-mid) !important;
  box-shadow: 0 0 0 3px rgba(37,99,235,.15) !important;
}

/* ---- Sidebar ---- */
#app aside, #sidebar {
  background: var(--rf-sidebar) !important;
  border-right: 1px solid rgba(148,163,184,.1) !important;
}
#app aside .sidebar-link {
  color: var(--rf-sidebar-text) !important;
  border-radius: var(--rf-radius-sm) !important;
  margin: 1px 8px;
  border-right: none !important;
  font-weight: 500 !important;
  transition: background var(--rf-fast), color var(--rf-fast);
}
#app aside .sidebar-link.active {
  background: rgba(37,99,235,.22) !important;
  color: #fff !important;
  box-shadow: inset 3px 0 0 var(--rf-primary-mid);
}
#app aside .sidebar-link:hover:not(.active) {
  background: var(--rf-sidebar-hover) !important;
  color: #e2e8f0 !important;
  transform: none !important;
}
.sidebar-group-label, .rf-nav-group {
  font-size: 10px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: #64748b;
  padding: 16px 20px 6px;
}

/* ---- Auth / Login ---- */
.rf-auth {
  min-height: 100vh; display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--rf-bg);
}
@media (max-width: 900px) {
  .rf-auth { grid-template-columns: 1fr; }
  .rf-auth-brand { display: none !important; }
}
.rf-auth-brand {
  background: linear-gradient(160deg, #0b1220 0%, #0f1c3d 50%, #1e3a8a 100%);
  color: #fff; padding: 48px; display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
}
.rf-auth-brand::after {
  content: ""; position: absolute; width: 400px; height: 400px;
  right: -100px; bottom: -80px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,.25), transparent 70%);
  pointer-events: none;
}
.rf-auth-form-wrap {
  display: grid; place-items: center; padding: 32px 24px;
  background: var(--rf-bg);
}
.rf-auth-card {
  width: 100%; max-width: 400px;
  background: var(--rf-surface);
  border: 1px solid var(--rf-border);
  border-radius: var(--rf-radius-xl);
  padding: 36px 32px;
  box-shadow: var(--rf-shadow);
  animation: rfFadeUp .4s var(--rf-ease) both;
}
@keyframes rfFadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* Legacy auth wrap override */
.ct-auth-wrap, .ct-auth {
  background: var(--rf-bg) !important;
}
.ct-auth-wrap::before, .ct-auth-wrap::after,
.ct-auth::before, .ct-auth::after { display: none !important; }

/* ---- Charts ---- */
.ct-chart-bar { height: 140px; gap: 6px; }
.ct-chart-bar .bar {
  border-radius: 6px 6px 2px 2px !important;
  background: linear-gradient(180deg, #60a5fa 0%, #2563eb 100%) !important;
  box-shadow: none !important;
  animation: none !important; /* cleaner */
  transform-origin: bottom;
  transition: height .4s var(--rf-ease), filter .15s;
}
.ct-chart-bar .bar:nth-child(n) {
  background: linear-gradient(180deg, #60a5fa 0%, #2563eb 100%) !important;
}
.ct-chart-bar .bar:hover { filter: brightness(1.06); }

/* ---- Page shell ---- */
#app main, .rf-main {
  background: var(--rf-bg);
}
#page-title {
  font-size: 1.125rem !important;
  font-weight: 600 !important;
  letter-spacing: -.01em;
}
.page { animation: rfFadeUp .25s var(--rf-ease) both; }

/* ---- Empty states ---- */
.ct-empty, .rf-empty {
  text-align: center; padding: 48px 24px; color: var(--rf-text-2);
}
.ct-empty h3, .rf-empty h3 { color: var(--rf-text); font-size: 1rem; margin: 0 0 8px; }
.ct-empty p, .rf-empty p { font-size: 13px; margin: 0 0 16px; }

/* ---- Modal ---- */
.modal-bg {
  background: rgba(15,23,42,.5) !important;
  backdrop-filter: blur(4px);
}
[id$="-modal"] > div, .modal > div {
  border-radius: var(--rf-radius-xl) !important;
  border: 1px solid var(--rf-border);
  box-shadow: var(--rf-shadow-lg);
}

/* ---- Toast ---- */
#toast {
  border-radius: var(--rf-radius) !important;
  box-shadow: var(--rf-shadow-lg) !important;
}

/* ---- Theme toggle ---- */
.rf-theme-btn {
  width: 36px; height: 36px; border-radius: var(--rf-radius-sm);
  border: 1px solid var(--rf-border); background: var(--rf-surface);
  color: var(--rf-text-2); cursor: pointer;
  display: grid; place-items: center;
  transition: background var(--rf-fast), color var(--rf-fast);
}
.rf-theme-btn:hover { background: var(--rf-surface-2); color: var(--rf-text); }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb {
  background: #cbd5e1; border-radius: 8px;
}
html.dark ::-webkit-scrollbar-thumb { background: #334155; }
::-webkit-scrollbar-track { background: transparent; }

/* ---- Focus ---- */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--rf-primary);
  outline-offset: 2px;
}

/* ---- Reduce noise from old design-v2 ---- */
.ct-kpi-card .v {
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
}