/* =========================================================================
   QAT Client Portal — Design System
   ========================================================================= */

:root {
  /* Brand */
  --brand-900: #0b1d3a;
  --brand-700: #0f2c5c;
  --brand-500: #1e57c8;
  --brand-300: #6aa0ff;
  --brand-50:  #eaf1ff;

  --accent:    #00c896;
  --accent-50: #e6fbf4;
  --warn:      #f59e0b;
  --warn-50:   #fff5e1;
  --danger:    #ef4444;
  --danger-50: #ffecec;
  --info:      #3b82f6;
  --info-50:   #ecf3ff;

  /* Neutrals */
  --ink-900: #0c1322;
  --ink-700: #2a3247;
  --ink-500: #5a6478;
  --ink-300: #98a2b8;
  --ink-200: #d6dbe6;
  --ink-100: #eef1f6;
  --ink-50:  #f6f8fc;
  --white:   #ffffff;

  /* Layout */
  --sidebar-w: 248px;
  --topbar-h:  64px;
  --radius-s:  8px;
  --radius-m:  12px;
  --radius-l:  18px;
  --shadow-s:  0 1px 2px rgba(15,28,55,.06), 0 1px 1px rgba(15,28,55,.04);
  --shadow-m:  0 4px 14px rgba(15,28,55,.08);
  --shadow-l:  0 18px 40px rgba(15,28,55,.12);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ink-50);
  color: var(--ink-900);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-500); text-decoration: none; }
a:hover { text-decoration: underline; }

button { font-family: inherit; cursor: pointer; }

/* =========================================================================
   App shell
   ========================================================================= */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
  background: linear-gradient(180deg, var(--brand-900) 0%, #07142b 100%);
  color: #cfd8e8;
  padding: 22px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 10px 22px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  margin-bottom: 14px;
}
.sidebar-brand .logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand-500), var(--accent));
  display: grid; place-items: center;
  font-weight: 800; color: #fff; font-size: 14px;
  box-shadow: 0 4px 10px rgba(30,87,200,.45);
}
.sidebar-brand .name { color: #fff; font-weight: 700; font-size: 15px; letter-spacing: .2px; }
.sidebar-brand .sub  { color: #8aa0c4; font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px; }

.nav-group { margin-top: 14px; }
.nav-group-label {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 1.2px;
  color: #6e88b3; padding: 6px 12px; margin-bottom: 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 10px;
  color: #cfd8e8; font-size: 13.5px; font-weight: 500;
  margin-bottom: 2px; transition: all .15s ease;
  text-decoration: none;
}
.nav-item:hover { background: rgba(255,255,255,.05); color: #fff; text-decoration: none; }
.nav-item.active {
  background: linear-gradient(90deg, rgba(30,87,200,.25), rgba(30,87,200,.05));
  color: #fff;
  box-shadow: inset 3px 0 0 var(--accent);
}
.nav-item .ico { width: 18px; height: 18px; opacity: .85; flex-shrink: 0; }
.nav-item .badge {
  margin-left: auto;
  background: var(--accent); color: #062a1f;
  font-size: 10.5px; font-weight: 700;
  padding: 2px 7px; border-radius: 999px;
}

/* ---- Topbar ---- */
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: var(--topbar-h);
  background: var(--white);
  border-bottom: 1px solid var(--ink-100);
  display: flex; align-items: center;
  padding: 0 28px;
  position: sticky; top: 0; z-index: 5;
}
.topbar .search {
  flex: 1; max-width: 420px; position: relative;
}
.topbar .search input {
  width: 100%; height: 38px; border: 1px solid var(--ink-200);
  border-radius: 10px; padding: 0 14px 0 38px;
  background: var(--ink-50); font-size: 13px; outline: none;
  transition: all .15s ease;
}
.topbar .search input:focus {
  background: #fff; border-color: var(--brand-300); box-shadow: 0 0 0 3px var(--brand-50);
}
.topbar .search::before {
  content: '⌕'; position: absolute; left: 12px; top: 8px;
  font-size: 16px; color: var(--ink-500);
}
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 10px; border: none;
  background: var(--ink-50); color: var(--ink-700); display: grid; place-items: center;
  position: relative; transition: all .15s ease;
}
.icon-btn:hover { background: var(--ink-100); }
.icon-btn .dot {
  position: absolute; top: 8px; right: 9px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--danger); border: 2px solid #fff;
}
.user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 12px 4px 4px; border-radius: 999px;
  background: var(--ink-50);
}
.user-chip .avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-500), var(--accent));
  color: #fff; display: grid; place-items: center;
  font-size: 12px; font-weight: 700;
}
.user-chip .who { line-height: 1.15; }
.user-chip .who b { font-size: 13px; }
.user-chip .who span { font-size: 11px; color: var(--ink-500); }

/* ---- Page container ---- */
.page { padding: 28px 32px 64px; }
.page-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; margin-bottom: 22px;
}
.page-title { margin: 0 0 4px; font-size: 22px; font-weight: 700; letter-spacing: -.2px; }
.page-sub { color: var(--ink-500); font-size: 13.5px; }

/* =========================================================================
   Buttons
   ========================================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 38px; padding: 0 16px;
  border-radius: 10px; border: 1px solid transparent;
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: all .15s ease; white-space: nowrap;
}
.btn-primary {
  background: var(--brand-500); color: #fff;
  box-shadow: 0 4px 12px rgba(30,87,200,.28);
}
.btn-primary:hover { background: var(--brand-700); transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--ink-700); border-color: var(--ink-200);
}
.btn-ghost:hover { background: var(--ink-50); }
.btn-accent { background: var(--accent); color: #053226; }
.btn-accent:hover { background: #00b386; }
.btn-danger-ghost { color: var(--danger); border-color: var(--danger-50); background: transparent; }
.btn-sm { height: 32px; padding: 0 12px; font-size: 12.5px; border-radius: 8px; }

/* =========================================================================
   Cards & KPIs
   ========================================================================= */
.card {
  background: #fff; border: 1px solid var(--ink-100);
  border-radius: var(--radius-l); box-shadow: var(--shadow-s);
  padding: 22px;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.card-title { font-size: 14px; font-weight: 700; }
.card-sub { font-size: 12px; color: var(--ink-500); }

.kpi-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 22px;
}
.kpi {
  position: relative; overflow: hidden;
  background: #fff; border: 1px solid var(--ink-100);
  border-radius: var(--radius-l); padding: 18px 20px;
  box-shadow: var(--shadow-s);
}
.kpi .label {
  font-size: 12px; color: var(--ink-500); font-weight: 600;
  text-transform: uppercase; letter-spacing: .8px;
}
.kpi .value {
  font-size: 30px; font-weight: 700; margin: 6px 0 4px;
  letter-spacing: -.5px;
}
.kpi .delta {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px;
}
.kpi .delta.up   { background: var(--accent-50); color: #007a59; }
.kpi .delta.down { background: var(--danger-50); color: #b91c1c; }
.kpi .delta.flat { background: var(--ink-100); color: var(--ink-500); }
.kpi .icon-bg {
  position: absolute; right: -16px; top: -16px;
  width: 96px; height: 96px; border-radius: 50%;
  opacity: .08;
}
.kpi.brand   .icon-bg { background: var(--brand-500); }
.kpi.accent  .icon-bg { background: var(--accent); }
.kpi.warn    .icon-bg { background: var(--warn); }
.kpi.danger  .icon-bg { background: var(--danger); }

/* =========================================================================
   Pills / chips
   ========================================================================= */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px; font-weight: 600;
  padding: 3px 10px; border-radius: 999px;
  background: var(--ink-100); color: var(--ink-700);
}
.pill.green  { background: var(--accent-50);  color: #007a59; }
.pill.blue   { background: var(--info-50);    color: #1d4ed8; }
.pill.orange { background: var(--warn-50);    color: #b45309; }
.pill.red    { background: var(--danger-50);  color: #b91c1c; }
.pill.gray   { background: var(--ink-100);    color: var(--ink-500); }
.pill .dot   { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* =========================================================================
   Tables
   ========================================================================= */
.table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  font-size: 13px;
}
.table thead th {
  font-size: 11px; text-transform: uppercase; letter-spacing: .8px;
  color: var(--ink-500); font-weight: 600;
  text-align: left; padding: 12px 14px;
  background: var(--ink-50);
  border-bottom: 1px solid var(--ink-100);
}
.table tbody td {
  padding: 14px; border-bottom: 1px solid var(--ink-100);
  vertical-align: middle;
}
.table tbody tr:hover { background: var(--ink-50); }
.table tbody tr:last-child td { border-bottom: none; }
.table .meta { font-size: 12px; color: var(--ink-500); }
.table b { font-weight: 600; }

/* =========================================================================
   Layout helpers
   ========================================================================= */
.grid-2 { display: grid; gap: 22px; grid-template-columns: 2fr 1fr; }
.grid-3 { display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr); }
.row { display: flex; align-items: center; gap: 12px; }
.row.between { justify-content: space-between; }
.spacer { flex: 1; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.gap-4 { gap: 4px; } .gap-8 { gap: 8px; } .gap-12 { gap: 12px; }
.muted { color: var(--ink-500); }
.tiny  { font-size: 11.5px; }
.mt-0  { margin-top: 0 !important; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-0  { margin-bottom: 0; }

/* =========================================================================
   Sign-in
   ========================================================================= */
.signin {
  min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr;
  background: var(--ink-50);
}
.signin .panel-left {
  background: linear-gradient(135deg, var(--brand-900) 0%, var(--brand-500) 100%);
  color: #fff; padding: 64px 56px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
}
.signin .panel-left::after {
  content: ''; position: absolute; right: -200px; bottom: -200px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: .25;
}
.signin .brand-row {
  display: flex; align-items: center; gap: 12px;
}
.signin .brand-row .logo {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(255,255,255,.15); display: grid; place-items: center;
  font-weight: 800; font-size: 18px; backdrop-filter: blur(10px);
}
.signin .pitch h1 { font-size: 36px; font-weight: 700; line-height: 1.15; margin: 0 0 14px; }
.signin .pitch p  { font-size: 16px; color: #cfd8e8; max-width: 440px; }
.signin .badges { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.signin .badge-card {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px; padding: 12px 14px; font-size: 12.5px;
  display: flex; align-items: center; gap: 8px;
}
.signin .panel-right {
  display: grid; place-items: center; padding: 40px;
}
.signin-card {
  width: 100%; max-width: 420px;
  background: #fff; border-radius: var(--radius-l);
  border: 1px solid var(--ink-100);
  padding: 36px; box-shadow: var(--shadow-l);
}
.signin-card h2 { margin: 0 0 6px; font-size: 22px; }
.signin-card .sub { color: var(--ink-500); margin-bottom: 24px; font-size: 13.5px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 6px; color: var(--ink-700); }
.field input {
  width: 100%; height: 42px; padding: 0 14px; font-size: 13.5px;
  border: 1px solid var(--ink-200); border-radius: 10px; outline: none;
  background: #fff; transition: all .15s ease;
}
.field input:focus { border-color: var(--brand-500); box-shadow: 0 0 0 3px var(--brand-50); }
.signin-card .btn { width: 100%; justify-content: center; height: 44px; }
.signin-card .or { text-align: center; margin: 16px 0; font-size: 12px; color: var(--ink-500); position: relative; }
.signin-card .or::before, .signin-card .or::after {
  content: ''; position: absolute; top: 50%; width: 38%; height: 1px; background: var(--ink-100);
}
.signin-card .or::before { left: 0; }
.signin-card .or::after { right: 0; }

/* =========================================================================
   Activity feed / timelines
   ========================================================================= */
.feed { display: flex; flex-direction: column; gap: 14px; }
.feed-item {
  display: flex; gap: 12px; padding: 12px 14px;
  border-radius: 12px; transition: background .15s ease;
}
.feed-item:hover { background: var(--ink-50); }
.feed-item .dot-ico {
  width: 36px; height: 36px; border-radius: 10px; flex-shrink: 0;
  display: grid; place-items: center; font-size: 16px;
  background: var(--brand-50); color: var(--brand-500);
}
.feed-item.success .dot-ico { background: var(--accent-50); color: #007a59; }
.feed-item.warn    .dot-ico { background: var(--warn-50);   color: #b45309; }
.feed-item.danger  .dot-ico { background: var(--danger-50); color: #b91c1c; }
.feed-item .text { flex: 1; }
.feed-item .text b { display: block; font-size: 13px; }
.feed-item .text span { font-size: 12px; color: var(--ink-500); }

/* =========================================================================
   Document grid
   ========================================================================= */
.doc-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.doc {
  background: #fff; border: 1px solid var(--ink-100);
  border-radius: var(--radius-m); padding: 16px;
  display: flex; flex-direction: column; gap: 10px;
  transition: all .15s ease;
}
.doc:hover { box-shadow: var(--shadow-m); transform: translateY(-2px); border-color: var(--brand-300); }
.doc .ftype {
  width: 44px; height: 54px; border-radius: 6px;
  background: linear-gradient(135deg, var(--brand-50), #fff);
  border: 1px solid var(--brand-50);
  display: grid; place-items: center;
  font-size: 11px; font-weight: 700; color: var(--brand-500);
}
.doc .ftype.cert { background: linear-gradient(135deg, var(--accent-50), #fff); color: #007a59; border-color: var(--accent-50); }
.doc .ftype.ws   { background: linear-gradient(135deg, var(--warn-50), #fff); color: #b45309; border-color: var(--warn-50); }
.doc .name { font-weight: 600; font-size: 13.5px; }
.doc .meta { font-size: 11.5px; color: var(--ink-500); }

/* =========================================================================
   Stepper / status bar
   ========================================================================= */
.stepper {
  display: flex; align-items: center; gap: 0;
  margin: 8px 0 4px;
}
.stepper .step {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--ink-500);
}
.stepper .step .bullet {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--ink-100); color: var(--ink-500);
  display: grid; place-items: center; font-size: 11px; font-weight: 700;
}
.stepper .step.done .bullet { background: var(--accent); color: #fff; }
.stepper .step.active .bullet { background: var(--brand-500); color: #fff; box-shadow: 0 0 0 4px var(--brand-50); }
.stepper .step.done, .stepper .step.active { color: var(--ink-900); font-weight: 600; }
.stepper .bar { flex: 1; height: 2px; background: var(--ink-100); margin: 0 10px; }
.stepper .bar.done { background: var(--accent); }

/* =========================================================================
   Charts (svg)
   ========================================================================= */
.chart-wrap { width: 100%; }
.chart-axis { font-size: 10px; fill: var(--ink-500); }
.chart-bar  { transition: opacity .2s ease; }
.chart-bar:hover { opacity: .8; }

/* =========================================================================
   Mobile / responsive
   ========================================================================= */
@media (max-width: 1024px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .signin { grid-template-columns: 1fr; }
  .signin .panel-left { display: none; }
}
@media (max-width: 768px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; bottom: 0; left: 0; right: 0;
    height: auto; flex-direction: row; padding: 8px;
    display: flex; gap: 4px; z-index: 100;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .sidebar-brand, .nav-group-label { display: none; }
  .nav-item { flex-direction: column; padding: 6px 8px; font-size: 10px; gap: 2px; }
  .nav-item .badge { display: none; }
  .page { padding: 16px; padding-bottom: 80px; }
  .topbar { padding: 0 16px; }
}