/* =========================================================
   LeakWatch — Design System
   Dark, glass-accented SaaS dashboard.
   Red / orange / green are reserved strictly for status & severity.
   ========================================================= */

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

:root {
  /* Surfaces */
  --bg: #0a0d12;
  --bg-elevated: #10141b;
  --bg-inset: #0d1117;
  --card: rgba(255, 255, 255, 0.035);
  --card-hover: rgba(255, 255, 255, 0.055);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* Text */
  --text: #e7ecf2;
  --text-dim: #97a3b3;
  --text-faint: #5c6779;

  /* Brand accent (never used for status) */
  --accent: #5b8cff;
  --accent-2: #8b7bff;
  --accent-soft: rgba(91, 140, 255, 0.12);

  /* Status — the ONLY places red/orange/green appear */
  --green: #22c55e;
  --green-soft: rgba(34, 197, 94, 0.12);
  --orange: #f59e0b;
  --orange-soft: rgba(245, 158, 11, 0.12);
  --red: #ef4444;
  --red-soft: rgba(239, 68, 68, 0.12);

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    radial-gradient(1200px 600px at 90% -10%, rgba(91, 140, 255, 0.08), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, rgba(139, 123, 255, 0.06), transparent 60%);
  background-attachment: fixed;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 .75rem; color: var(--text-dim); }
code, .mono { font-family: var(--font-mono); }

::selection { background: var(--accent-soft); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------------------------------------------------------
   App shell (sidebar + main column)
   --------------------------------------------------------- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 40;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 22px 20px;
  border-bottom: 1px solid var(--border);
}

.brand-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: #fff;
}

.brand-name { font-weight: 700; font-size: 16.5px; letter-spacing: -0.02em; }

.sidebar-nav {
  flex: 1;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  transition: background .15s ease, color .15s ease;
}

.nav-link:hover { background: var(--card-hover); color: var(--text); }
.nav-link.active { background: var(--accent-soft); color: var(--accent); }
.nav-icon { width: 18px; text-align: center; font-size: 14px; opacity: .9; }

.sidebar-footer {
  padding: 14px;
  border-top: 1px solid var(--border);
}

.user-chip { display: flex; align-items: center; gap: 10px; padding: 6px; }
.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 13px; flex-shrink: 0;
}
.user-meta { min-width: 0; }
.user-name { font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-email { font-size: 12px; color: var(--text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logout-link {
  display: block; margin-top: 8px; padding: 8px 6px;
  font-size: 13px; color: var(--text-faint);
}
.logout-link:hover { color: var(--red); }

.main-col { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 30;
  background: rgba(10, 13, 18, 0.85);
  backdrop-filter: blur(10px);
}
.page-title { font-size: 19px; flex: 1; }
.menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 20px; cursor: pointer; }

.content { padding: 26px 28px 60px; max-width: 1400px; }

/* ---------------------------------------------------------
   Auth pages (login / register)
   --------------------------------------------------------- */
.auth-shell {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%; max-width: 400px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.auth-brand {
  display: flex; align-items: center; gap: 10px; margin-bottom: 26px;
}
.auth-title { font-size: 21px; margin-bottom: 4px; }
.auth-subtitle { color: var(--text-dim); font-size: 13.5px; margin-bottom: 22px; }
.auth-footer { margin-top: 20px; text-align: center; font-size: 13.5px; color: var(--text-dim); }
.auth-footer a { color: var(--accent); font-weight: 600; }

/* ---------------------------------------------------------
   Cards / grid
   --------------------------------------------------------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(10px);
}
.card + .card { margin-top: 18px; }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.card-header h2, .card-header h3 { font-size: 15.5px; }
.card-subtitle { font-size: 13px; color: var(--text-faint); margin-top: 2px; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.stat-label { font-size: 12.5px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 8px; }
.stat-value { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; }
.stat-value.green { color: var(--green); }
.stat-value.orange { color: var(--orange); }
.stat-value.red { color: var(--red); }

.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; }

/* ---------------------------------------------------------
   Buttons
   --------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--text);
  font-size: 13.5px; font-weight: 600;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .05s ease;
}
.btn:hover { background: var(--card-hover); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #4a7bef; }
.btn-danger { background: transparent; border-color: rgba(239,68,68,.4); color: var(--red); }
.btn-danger:hover { background: var(--red-soft); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-dim); }
.btn-ghost:hover { background: var(--card-hover); color: var(--text); }
.btn-sm { padding: 7px 12px; font-size: 12.5px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------------------------------------------------------
   Forms
   --------------------------------------------------------- */
.form-group { margin-bottom: 16px; }
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text-dim); }
input[type=text], input[type=email], input[type=password], input[type=url], input[type=number],
select, textarea {
  width: 100%;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14px;
  transition: border-color .15s ease;
}
textarea { resize: vertical; min-height: 90px; font-family: var(--font-mono); font-size: 13px; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); outline: none; }
.form-hint { font-size: 12px; color: var(--text-faint); margin-top: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; font-weight: 500; color: var(--text); }

/* ---------------------------------------------------------
   Tables
   --------------------------------------------------------- */
table { width: 100%; border-collapse: collapse; }
thead th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-faint); font-weight: 600;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 14px; border-bottom: 1px solid var(--border);
  font-size: 13.5px; vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.015); }
.table-wrap { overflow-x: auto; }
.cell-url { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-dim); }
.cell-muted { color: var(--text-faint); font-size: 12.5px; }

/* ---------------------------------------------------------
   Badges / status
   --------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 99px;
  font-size: 11.5px; font-weight: 600; text-transform: capitalize;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-green  { background: var(--green-soft);  color: var(--green); }
.badge-orange { background: var(--orange-soft); color: var(--orange); }
.badge-red    { background: var(--red-soft);    color: var(--red); }
.badge-neutral{ background: var(--card-hover);  color: var(--text-dim); }

/* ---------------------------------------------------------
   Alerts / flash messages
   --------------------------------------------------------- */
.alert { padding: 13px 16px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 13.5px; border: 1px solid transparent; }
.alert-success { background: var(--green-soft); color: var(--green); border-color: rgba(34,197,94,.25); }
.alert-error   { background: var(--red-soft);   color: var(--red);   border-color: rgba(239,68,68,.25); }
.alert-info    { background: var(--accent-soft);color: var(--accent);border-color: rgba(91,140,255,.25); }

/* ---------------------------------------------------------
   Diff view
   --------------------------------------------------------- */
.diff-view {
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  max-height: 480px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.diff-ins { background: var(--green-soft); color: var(--green); text-decoration: none; border-radius: 3px; padding: 1px 2px; }
.diff-del { background: var(--red-soft); color: var(--red); text-decoration: line-through; border-radius: 3px; padding: 1px 2px; }

/* ---------------------------------------------------------
   Empty state
   --------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-faint);
}
.empty-state h3 { color: var(--text-dim); margin-bottom: 6px; font-size: 15px; }
.empty-state p { max-width: 380px; margin: 0 auto 18px; }

/* ---------------------------------------------------------
   Modal
   --------------------------------------------------------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(5,7,10,0.7);
  display: none; align-items: center; justify-content: center;
  z-index: 100; padding: 20px; backdrop-filter: blur(3px);
}
.modal-overlay.open { display: flex; }
.modal {
  width: 100%; max-width: 520px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow);
  max-height: 88vh; overflow-y: auto;
}
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.modal-close { background: none; border: none; color: var(--text-faint); font-size: 20px; cursor: pointer; }

/* ---------------------------------------------------------
   Chart container
   --------------------------------------------------------- */
.chart-container { position: relative; height: 260px; }

/* ---------------------------------------------------------
   Utility
   --------------------------------------------------------- */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.mt-0 { margin-top: 0; }
.text-dim { color: var(--text-dim); }
.text-faint { color: var(--text-faint); }
.text-center { text-align: center; }
.w-full { width: 100%; }
.tag-pill {
  display: inline-block; padding: 2px 9px; border-radius: 99px;
  background: var(--card-hover); font-size: 11px; color: var(--text-dim);
}

/* ---------------------------------------------------------
   Responsive
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 800px) {
  .menu-toggle { display: block; }
  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0;
    transform: translateX(-100%);
    transition: transform .2s ease;
  }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow); }
  .content { padding: 18px 16px 50px; }
  .topbar { padding: 14px 16px; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-value { font-size: 21px; }
  .table-wrap table { min-width: 640px; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 26px 22px; }
}