/* ===========================================================================
   MigrateMind — Design System (brand.css)
   Shared tokens, layout shell and components for the product UI mockups.
   Brand sampled from the official deck: graphite-navy canvas + mint-emerald
   accent (#25E19F) and the Jump amber lockup.
   =========================================================================== */

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

:root {
  /* ---- canvas ---- */
  --bg-0: #090B15;
  --bg-1: #0E1019;
  --bg-2: #13131B;
  --surface: #161823;
  --surface-2: #1B1E2B;
  --surface-3: #212536;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.13);

  /* ---- brand ---- */
  --green: #25E19F;
  --green-bright: #7DF7C6;
  --green-deep: #11B587;
  --green-soft: rgba(37, 225, 159, 0.12);
  --green-glow: rgba(37, 225, 159, 0.35);
  --amber: #F08A21;
  --amber-soft: #FBC07A;

  /* ---- status ---- */
  --ok: #25E19F;
  --warn: #F5C451;
  --danger: #FB6E6E;
  --info: #5C9DF5;
  --violet: #A78BFA;

  /* ---- text ---- */
  --text: #F4F6FA;
  --text-dim: #AEB6C5;
  --text-mut: #6E7689;

  /* ---- geometry ---- */
  --r-sm: 8px;
  --r: 14px;
  --r-lg: 20px;
  --shadow: 0 18px 48px -24px rgba(0, 0, 0, 0.85);
  --grad-green: linear-gradient(135deg, #7DF7C6 0%, #25E19F 48%, #11B587 100%);
  --grad-surface: linear-gradient(160deg, rgba(255,255,255,0.04), rgba(255,255,255,0));
  --sidebar-w: 256px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 720px at 82% -8%, rgba(37, 225, 159, 0.10), transparent 60%),
    radial-gradient(900px 600px at 0% 110%, rgba(37, 225, 159, 0.06), transparent 55%),
    linear-gradient(160deg, var(--bg-1), var(--bg-0));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.45;
}

/* faint tech grid overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 70% 20%, #000 0%, transparent 75%);
  z-index: 0;
}

a { color: inherit; text-decoration: none; }
::selection { background: var(--green-glow); color: #04130E; }

/* scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 20px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: #2c3145; background-clip: padding-box; }

/* ============================ APP SHELL ================================== */

.app {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px 16px;
  background: linear-gradient(180deg, rgba(20,22,32,0.9), rgba(11,12,20,0.92));
  border-right: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 8px 18px;
}
.brand .glyph {
  width: 34px; height: 34px; flex: none;
  filter: drop-shadow(0 0 12px var(--green-glow));
}
.brand .wordmark { font-size: 18px; font-weight: 700; letter-spacing: -0.4px; }
.brand .wordmark sup { font-size: 9px; color: var(--text-mut); font-weight: 500; }
.brand .tag { display:block; font-size: 10.5px; color: var(--text-mut); font-weight: 500; letter-spacing: 0.3px; margin-top: 1px; }

.nav-group { margin-top: 6px; }
.nav-label {
  font-size: 10px; letter-spacing: 1.4px; text-transform: uppercase;
  color: var(--text-mut); padding: 14px 12px 8px; font-weight: 600;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--r-sm);
  color: var(--text-dim); font-weight: 500; font-size: 13.5px;
  cursor: pointer; transition: background .16s, color .16s;
  position: relative;
}
.nav-item svg { width: 18px; height: 18px; flex: none; opacity: .85; }
.nav-item:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.nav-item.active { background: var(--green-soft); color: var(--text); }
.nav-item.active::before {
  content: ""; position: absolute; left: -16px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 22px; border-radius: 0 4px 4px 0; background: var(--grad-green);
  box-shadow: 0 0 10px var(--green-glow);
}
.nav-item.active svg { opacity: 1; color: var(--green); }
.nav-badge {
  margin-left: auto; font-size: 11px; font-weight: 600;
  background: var(--surface-3); color: var(--text-dim);
  padding: 1px 8px; border-radius: 20px;
}
.nav-badge.warn { background: rgba(245,196,81,0.16); color: var(--warn); }

.sidebar-footer { margin-top: auto; padding: 14px 8px 4px; border-top: 1px solid var(--line); }
.powered { display:flex; align-items:center; gap:8px; font-size: 11px; color: var(--text-mut); }
.powered img { height: 18px; opacity: .9; }

/* ============================ TOPBAR ==================================== */

.main { display: flex; flex-direction: column; min-width: 0; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 18px;
  padding: 16px 30px;
  background: linear-gradient(180deg, rgba(14,16,25,0.86), rgba(14,16,25,0.55));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.topbar h1 { font-size: 20px; font-weight: 700; letter-spacing: -0.4px; margin: 0; }
.topbar .crumb { font-size: 12px; color: var(--text-mut); margin-bottom: 2px; }
.topbar .spacer { flex: 1; }

.search {
  display: flex; align-items: center; gap: 9px;
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 10px; padding: 8px 12px; width: 290px; color: var(--text-mut);
}
.search input { background: none; border: 0; outline: 0; color: var(--text); font-size: 13px; width: 100%; font-family: inherit; }
.search kbd {
  font-size: 10px; background: var(--surface-3); border-radius: 5px; padding: 2px 6px;
  color: var(--text-dim); font-family: 'JetBrains Mono', monospace;
}

.icon-btn {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 10px; background: var(--surface-2); border: 1px solid var(--line);
  color: var(--text-dim); cursor: pointer; position: relative;
}
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); }
.icon-btn .dot { position: absolute; top: 9px; right: 10px; width: 7px; height: 7px; background: var(--danger); border-radius: 50%; border: 2px solid var(--bg-1); }

.avatar {
  display:flex; align-items:center; gap: 10px; padding: 5px 12px 5px 5px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 30px; cursor: pointer;
}
.avatar .pic { width: 30px; height: 30px; border-radius: 50%; background: var(--grad-green); display: grid; place-items: center; color: #04130E; font-weight: 700; font-size: 13px; }
.avatar .who { font-size: 12.5px; font-weight: 600; line-height: 1.1; }
.avatar .who small { display:block; color: var(--text-mut); font-weight: 500; font-size: 11px; }

.content { padding: 26px 30px 48px; }

/* ============================ PRIMITIVES ================================ */

.card {
  background: var(--surface);
  background-image: var(--grad-surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
}
.card.pad { padding: 20px 22px; }
.card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.card-head h3 { margin: 0; font-size: 14.5px; font-weight: 700; }
.card-head .sub { font-size: 12px; color: var(--text-mut); }
.card-head .spacer { flex: 1; }

.grid { display: grid; gap: 18px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

.section-title { font-size: 12px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--text-mut); font-weight: 600; margin: 4px 0 14px; }

/* KPI / stat tiles */
.stat { padding: 18px 20px; display: flex; flex-direction: column; gap: 10px; }
.stat .label { font-size: 12px; color: var(--text-dim); font-weight: 500; display:flex; align-items:center; gap:8px; }
.stat .label .ico { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: var(--green-soft); color: var(--green); }
.stat .val { font-size: 30px; font-weight: 800; letter-spacing: -1px; line-height: 1; }
.stat .val small { font-size: 15px; font-weight: 600; color: var(--text-mut); }
.stat .delta { font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.delta.up { color: var(--green); }
.delta.down { color: var(--danger); }
.delta.flat { color: var(--text-mut); }
.stat .spark { margin-top: 2px; }

/* badges / chips */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; font-weight: 600; padding: 3px 10px; border-radius: 30px;
  border: 1px solid transparent; white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.ok { color: var(--ok); background: rgba(37,225,159,0.12); border-color: rgba(37,225,159,0.25); }
.badge.warn { color: var(--warn); background: rgba(245,196,81,0.12); border-color: rgba(245,196,81,0.25); }
.badge.danger { color: var(--danger); background: rgba(251,110,110,0.12); border-color: rgba(251,110,110,0.25); }
.badge.info { color: var(--info); background: rgba(92,157,245,0.12); border-color: rgba(92,157,245,0.25); }
.badge.run { color: var(--green-bright); background: rgba(37,225,159,0.14); border-color: rgba(37,225,159,0.3); }
.badge.mut { color: var(--text-dim); background: var(--surface-3); }
.badge.run::before { animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%,100%{ opacity:1; box-shadow:0 0 0 0 var(--green-glow);} 50%{ opacity:.6; box-shadow:0 0 0 4px transparent;} }

.pill { font-size: 11px; font-weight: 600; padding: 2px 9px; border-radius: 6px; background: var(--surface-3); color: var(--text-dim); }
.pill.green { background: var(--green-soft); color: var(--green); }
.pill.amber { background: rgba(240,138,33,0.14); color: var(--amber-soft); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
  padding: 9px 16px; border-radius: 10px; border: 1px solid var(--line-strong);
  background: var(--surface-2); color: var(--text); transition: .15s;
}
.btn:hover { border-color: var(--text-mut); }
.btn svg { width: 16px; height: 16px; }
.btn.primary {
  background: var(--grad-green); color: #04130E; border: 0;
  box-shadow: 0 10px 28px -12px var(--green-glow);
}
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; }

/* tables */
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left; font-size: 11px; letter-spacing: .5px; text-transform: uppercase;
  color: var(--text-mut); font-weight: 600; padding: 0 14px 12px; border-bottom: 1px solid var(--line);
}
.tbl td { padding: 13px 14px; border-bottom: 1px solid var(--line); color: var(--text-dim); }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr:hover td { background: rgba(255,255,255,0.018); }
.tbl td.strong { color: var(--text); font-weight: 600; }
.mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; }

/* progress */
.bar { height: 7px; border-radius: 20px; background: var(--surface-3); overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: 20px; background: var(--grad-green); }
.bar.thin { height: 5px; }

/* misc */
.muted { color: var(--text-mut); }
.dim { color: var(--text-dim); }
.row { display: flex; align-items: center; gap: 12px; }
.between { justify-content: space-between; }
.wrap { flex-wrap: wrap; }
.hr { height: 1px; background: var(--line); border: 0; margin: 16px 0; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--text-dim); }
.legend i { width: 9px; height: 9px; border-radius: 3px; display: inline-block; margin-right: 6px; vertical-align: middle; }

/* screen-nav (mockup switcher between the 3 screens) */
.screen-switch {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  display: flex; gap: 6px; padding: 6px; border-radius: 14px;
  background: rgba(20,22,32,0.92); border: 1px solid var(--line-strong);
  box-shadow: var(--shadow); backdrop-filter: blur(10px);
}
.screen-switch a { font-size: 12px; font-weight: 600; color: var(--text-dim); padding: 8px 13px; border-radius: 9px; }
.screen-switch a:hover { color: var(--text); background: rgba(255,255,255,.05); }
.screen-switch a.active { background: var(--grad-green); color: #04130E; }

@media (max-width: 1100px) {
  .cols-4 { grid-template-columns: repeat(2, 1fr); }
  .cols-3 { grid-template-columns: 1fr; }
}
@media (max-width: 880px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
}