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

:root {
  --ink: #10182B;
  --ink-soft: #2B3550;
  --mist: #6B7385;
  --hairline: #E4E8EF;
  --cloud: #FAFBFC;
  --surface: #FFFFFF;
  --signal: #2F5FF6;
  --signal-dark: #1E46C9;
  --teal: #14B8A6;
  --teal-soft: #E4F8F5;
  --signal-soft: #EAF0FF;
  --danger: #E23E57;
  --danger-soft: #FDEAEE;
  --radius: 12px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 43, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 24, 43, 0.08);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-soft);
  background: var(--cloud);
}
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); margin: 0 0 0.4em; letter-spacing: -0.01em; }
a { color: var(--signal); text-decoration: none; }
code, .mono { font-family: var(--font-mono); }

/* ---------- Auth screen ---------- */
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 15% 20%, var(--signal-soft), transparent 45%),
    radial-gradient(circle at 85% 80%, var(--teal-soft), transparent 45%),
    var(--cloud);
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  padding: 36px;
}
.auth-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; margin-bottom: 26px; }
.auth-logo .mark { width: 34px; height: 34px; border-radius: 9px; background: linear-gradient(135deg, var(--signal), var(--teal)); display: flex; align-items: center; justify-content: center; }
.auth-logo .mark svg { width: 20px; height: 20px; }
.auth-card h1 { font-size: 1.3rem; margin-bottom: 4px; }
.auth-card .sub { color: var(--mist); font-size: 0.9rem; margin-bottom: 24px; }

/* ---------- App shell ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--hairline);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
}
.sidebar .logo { display: flex; align-items: center; gap: 9px; font-family: var(--font-display); font-weight: 700; font-size: 1rem; padding: 6px 8px 22px; }
.sidebar .logo .mark { width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, var(--signal), var(--teal)); display: flex; align-items: center; justify-content: center; }
.sidebar .logo .mark svg { width: 16px; height: 16px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar nav a {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink-soft); font-weight: 500; font-size: 0.92rem;
  padding: 10px 12px; border-radius: 8px;
}
.sidebar nav a:hover { background: var(--cloud); color: var(--ink); }
.sidebar nav a.active { background: var(--signal-soft); color: var(--signal-dark); }
.sidebar-footer { border-top: 1px solid var(--hairline); padding-top: 14px; margin-top: 14px; }
.sidebar-user { display: flex; align-items: center; gap: 10px; padding: 6px 8px 10px; }
.sidebar-user .avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--ink); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 600; font-family: var(--font-display); }
.sidebar-user .who { line-height: 1.25; }
.sidebar-user .who strong { display: block; font-size: 0.86rem; color: var(--ink); }
.sidebar-user .who span { font-size: 0.76rem; color: var(--mist); text-transform: capitalize; }
.sidebar-footer a { display: block; padding: 8px 12px; font-size: 0.85rem; color: var(--mist); border-radius: 8px; }
.sidebar-footer a:hover { background: var(--cloud); color: var(--danger); }

.main { flex: 1; min-width: 0; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px; border-bottom: 1px solid var(--hairline); background: var(--surface);
}
.topbar h1 { font-size: 1.15rem; margin: 0; }
.topbar .crumb { font-size: 0.82rem; color: var(--mist); margin-bottom: 2px; font-family: var(--font-mono); }
.content { padding: 32px; max-width: 1180px; }

/* ---------- Buttons / forms (shared) ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 0.9rem;
  padding: 10px 18px; border-radius: 9px; border: 1px solid transparent; cursor: pointer;
  transition: all 0.15s ease;
}
.btn-primary { background: var(--signal); color: #fff; }
.btn-primary:hover { background: var(--signal-dark); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--hairline); }
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }
.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 7px 13px; font-size: 0.82rem; }
.btn-block { width: 100%; justify-content: center; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 6px; }
.field .hint { font-size: 0.78rem; color: var(--mist); margin-top: 4px; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--hairline); border-radius: 8px;
  padding: 10px 12px; font-family: var(--font-body); font-size: 0.92rem; color: var(--ink); background: var(--cloud);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--signal); box-shadow: 0 0 0 3px var(--signal-soft);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }

/* ---------- Cards / tables ---------- */
.card { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); }
.card-pad { padding: 24px; }
.card-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--hairline); }
.card-head h3 { font-size: 1rem; margin: 0; }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--mist); font-weight: 600; padding: 10px 22px; border-bottom: 1px solid var(--hairline); background: var(--cloud); }
td { padding: 14px 22px; border-bottom: 1px solid var(--hairline); font-size: 0.9rem; color: var(--ink-soft); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--cloud); }

.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 0.76rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.02em; }
.badge-active { background: var(--teal-soft); color: #0E8A7C; }
.badge-onboarding { background: var(--signal-soft); color: var(--signal-dark); }
.badge-inactive { background: #F1F2F5; color: var(--mist); }
.badge-tier { background: var(--cloud); color: var(--ink-soft); border: 1px solid var(--hairline); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--mist); }
.empty-state h3 { color: var(--ink); margin-bottom: 6px; }

/* ---------- Dashboard grid ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
.kpi-card { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 20px 22px; }
.kpi-card span { display: block; font-size: 0.78rem; color: var(--mist); margin-bottom: 6px; }
.kpi-card strong { font-family: var(--font-mono); font-size: 1.7rem; color: var(--ink); }

.search-row { display: flex; gap: 12px; margin-bottom: 18px; }
.search-row input[type="search"] {
  flex: 1; border: 1px solid var(--hairline); border-radius: 9px; padding: 10px 14px;
  font-family: var(--font-body); font-size: 0.9rem; background: var(--surface);
}
.search-row input:focus { outline: none; border-color: var(--signal); box-shadow: 0 0 0 3px var(--signal-soft); }

.client-name-cell { display: flex; flex-direction: column; }
.client-name-cell strong { color: var(--ink); font-size: 0.94rem; }
.client-name-cell span { color: var(--mist); font-size: 0.8rem; }

/* ---------- Client detail: tabs ---------- */
.client-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.client-header h2 { margin-bottom: 4px; }
.client-header .meta { color: var(--mist); font-size: 0.88rem; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--hairline); margin-bottom: 24px; }
.tabs a {
  padding: 11px 18px; font-size: 0.9rem; font-weight: 600; color: var(--mist);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs a:hover { color: var(--ink); }
.tabs a.active { color: var(--signal); border-bottom-color: var(--signal); }

.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 28px; }
.detail-grid .item span { display: block; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--mist); margin-bottom: 3px; font-family: var(--font-mono); }
.detail-grid .item strong { font-size: 0.94rem; color: var(--ink); font-family: var(--font-mono); font-weight: 500; }

.password-cell { display: flex; align-items: center; gap: 10px; }
.password-mask { font-family: var(--font-mono); letter-spacing: 2px; color: var(--mist); }
.reveal-toggle { font-size: 0.76rem; color: var(--signal); font-weight: 600; cursor: pointer; background: none; border: none; padding: 0; }

.doc-row { display: flex; align-items: center; gap: 12px; }
.doc-icon { width: 34px; height: 34px; border-radius: 8px; background: var(--signal-soft); color: var(--signal); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

.modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(16,24,43,0.45);
  align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal { background: var(--surface); border-radius: 16px; width: 100%; max-width: 480px; max-height: 88vh; overflow-y: auto; box-shadow: var(--shadow-md); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--hairline); }
.modal-head h3 { margin: 0; font-size: 1.02rem; }
.modal-close { background: none; border: none; font-size: 1.2rem; color: var(--mist); cursor: pointer; line-height: 1; }
.modal-body { padding: 22px; }
.modal-actions { display: flex; gap: 10px; margin-top: 4px; }

.alert { padding: 12px 16px; border-radius: 9px; font-size: 0.88rem; margin-bottom: 18px; }
.alert-success { background: var(--teal-soft); color: #0E8A7C; }
.alert-error { background: var(--danger-soft); color: var(--danger); }

@media (max-width: 900px) {
  .sidebar { display: none; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid, .detail-grid { grid-template-columns: 1fr; }
  .content { padding: 20px; }
}