/* Kaizin GoLogin Automator — stylesheet, white-labeled for Kaizin.
   Design tokens mirror the Kaizin brandbook (see linkedin-profile-optimizer
   project docs/brandbook.md for the canonical source of this design
   system — reused here for cross-project consistency). */

:root {
  /* Color — Kaizin brand */
  --color-primary: #9b1dd6;
  --color-primary-light: #c51fe2;
  --color-primary-dark: #7c17ab;
  --color-teal: #00d1b5;
  --color-near-black: #0F0F0F;
  --color-navy: #1C274C;
  --color-ink: #0F172A;
  --color-ink-muted: #475569;
  --color-ink-faint: #94A3B8;
  --color-bg: #F7F9FC;
  --color-surface: #FFFFFF;
  --color-border: #E2E8F0;
  --color-success: #16A34A;
  --color-warning: #D97706;
  --color-danger: #DC2626;
  --color-success-bg: #F0FDF4;
  --color-warning-bg: #FFFBEB;
  --color-danger-bg: #FEF2F2;

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --fs-xs: .75rem;
  --fs-sm: .875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.75rem;

  /* Spacing (8px scale) */
  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --space-6: 3rem;
  --space-8: 4rem;

  /* Layout */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-card: 0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.08);

  --sidebar-width: 260px;
  --sidebar-width-collapsed: 76px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-weight: 700;
  color: var(--color-ink);
  margin: 0 0 var(--space-1);
}

a { color: var(--color-primary); }

:focus-visible {
  outline: 3px solid rgba(155,29,214,.35);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

[hidden] { display: none !important; }

/* ---------------------------------------------------------------------
   App shell: sidebar + main content
   --------------------------------------------------------------------- */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  flex: none;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  transition: transform .2s ease;
}

.sidebar__brand {
  background: var(--color-near-black);
  background: linear-gradient(120deg, var(--color-near-black), var(--color-navy));
  padding: var(--space-3) var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sidebar__logo {
  height: 28px;
  width: auto;
  display: block;
}

.sidebar__nav {
  flex: 1;
  padding: var(--space-3) var(--space-2);
  display: flex;
  flex-direction: column;
  gap: .25rem;
}

.sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: .75rem var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-ink-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--fs-sm);
  transition: background-color .15s ease, color .15s ease;
}

.sidebar__link:hover {
  background: var(--color-bg);
  color: var(--color-ink);
}

.sidebar__link.is-active {
  background: rgba(155,29,214,.08);
  color: var(--color-primary);
}

.sidebar__link svg {
  width: 20px;
  height: 20px;
  flex: none;
}

.sidebar__footer {
  padding: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.sidebar__logout {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: .75rem var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-ink-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--fs-sm);
  transition: background-color .15s ease, color .15s ease;
}

.sidebar__logout:hover {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.sidebar__logout svg {
  width: 20px;
  height: 20px;
  flex: none;
}

.main-area {
  flex: 1;
  min-width: 0;
}

.topbar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background: var(--color-near-black);
  background: linear-gradient(120deg, var(--color-near-black), var(--color-navy));
}

.topbar__logo {
  height: 24px;
  width: auto;
  display: block;
}

.topbar__menu-btn {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: .5rem;
  display: flex;
  align-items: center;
}

.topbar__menu-btn svg { width: 24px; height: 24px; }

main.content {
  padding: var(--space-5) var(--space-4) var(--space-8);
  max-width: 1200px;
}

.page-header {
  margin-bottom: var(--space-4);
}

.page-header h1 {
  font-size: var(--fs-2xl);
}

.page-header p {
  color: var(--color-ink-muted);
  margin: 0;
}

/* ---------------------------------------------------------------------
   Stat cards
   --------------------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.stat-card__icon {
  width: 48px;
  height: 48px;
  flex: none;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-teal));
  color: #fff;
}

.stat-card__icon svg { width: 24px; height: 24px; }

.stat-card__value {
  font-size: var(--fs-2xl);
  font-weight: 700;
  line-height: 1.1;
}

.stat-card__label {
  font-size: var(--fs-sm);
  color: var(--color-ink-muted);
  margin-top: .15rem;
}

/* ---------------------------------------------------------------------
   Cards / table
   --------------------------------------------------------------------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
  min-width: 760px;
}

th, td {
  padding: var(--space-2) var(--space-2);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

th {
  background: var(--color-bg);
  color: var(--color-ink-muted);
  font-weight: 600;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .03em;
  position: sticky;
  top: 0;
}

tr:last-child td { border-bottom: none; }

.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-ink-muted);
}

.empty-state {
  color: var(--color-ink-muted);
  padding: var(--space-4);
  text-align: center;
}

/* ---------------------------------------------------------------------
   Banners
   --------------------------------------------------------------------- */

.banner {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid;
  margin-bottom: var(--space-3);
  font-size: var(--fs-sm);
}

.banner svg { flex: none; width: 20px; height: 20px; margin-top: 1px; }

.banner-warning {
  background: var(--color-warning-bg);
  border-color: #FDE68A;
  color: #92400E;
}

.banner-error {
  background: var(--color-danger-bg);
  border-color: #FCA5A5;
  color: #991B1B;
}

.banner-success {
  background: var(--color-success-bg);
  border-color: #BBF7D0;
  color: #166534;
}

/* ---------------------------------------------------------------------
   Forms
   --------------------------------------------------------------------- */

.settings-form {
  max-width: 560px;
  padding: var(--space-4);
}

.field { margin-bottom: var(--space-3); }

.field label {
  display: block;
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--color-ink);
  margin-bottom: .5rem;
}

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  font: inherit;
  padding: .75rem var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
  transition: border-color .15s ease, box-shadow .15s ease;
}

textarea { resize: vertical; }

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(155,29,214,.15);
}

.hint {
  margin-top: var(--space-2);
  font-size: var(--fs-xs);
  color: var(--color-ink-faint);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font: inherit;
  font-weight: 700;
  font-size: var(--fs-base);
  padding: .85rem var(--space-3);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background-color .15s ease, transform .05s ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
}

.btn-primary:hover { background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary)); }
.btn-primary:active { transform: translateY(1px); }

/* ---------------------------------------------------------------------
   Login page
   --------------------------------------------------------------------- */

.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  background: var(--color-bg);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.login-card__brand {
  background: var(--color-near-black);
  background: linear-gradient(120deg, var(--color-near-black), var(--color-navy));
  padding: var(--space-4) var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card__logo {
  height: 32px;
  width: auto;
  display: block;
}

.login-card__body {
  padding: var(--space-4);
}

.login-card__body h1 {
  font-size: var(--fs-xl);
  text-align: center;
}

.login-card__subtitle {
  color: var(--color-ink-muted);
  text-align: center;
  margin-top: .25rem;
  margin-bottom: var(--space-3);
  font-size: var(--fs-sm);
}

.login-card form .btn { width: 100%; margin-top: var(--space-2); }

/* ---------------------------------------------------------------------
   Responsive: off-canvas sidebar below 720px
   --------------------------------------------------------------------- */

@media (max-width: 719px) {
  .topbar { display: flex; }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 50;
    transform: translateX(-100%);
    box-shadow: 0 0 0 100vmax rgba(0,0,0,0);
  }

  .sidebar.is-open {
    transform: translateX(0);
    box-shadow: 0 0 40px rgba(15,23,42,.25);
  }

  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.4);
    z-index: 40;
  }

  .sidebar-backdrop.is-open { display: block; }

  main.content {
    padding: var(--space-3);
  }

  .stats { grid-template-columns: 1fr; }
}