/* Auther – Design System v0.1 (stub; full design in next step) */

:root {
  --bg-base:       #0c0e12;
  --bg-surface:    #13161c;
  --bg-elevated:   #1c2029;
  --bg-overlay:    #252a35;
  --border:        #2a2f3d;
  --border-subtle: #1e2330;
  --text-primary:  #e8eaf0;
  --text-secondary:#8b92a8;
  --text-muted:    #525868;
  --accent:        #4f8ef7;
  --accent-hover:  #6ba3f9;
  --accent-dim:    rgba(79,142,247,.12);
  --success:       #34c97a;
  --success-dim:   rgba(52,201,122,.12);
  --warning:       #f5a623;
  --danger:        #e05454;
  --danger-dim:    rgba(224,84,84,.12);
  --font-ui:       'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:     'IBM Plex Mono', 'Fira Code', monospace;
  --radius-sm:     4px;
  --radius-md:     6px;
  --radius-lg:     10px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.4);
  --shadow-md:     0 4px 16px rgba(0,0,0,.5);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
}

/* Layout */
.layout { display: flex; height: 100vh; }
.sidebar {
  width: 220px; flex-shrink: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 24px 0;
}
.sidebar-logo { font-size: 18px; font-weight: 600; padding: 0 20px 24px; color: var(--text-primary); }
.nav-list { list-style: none; flex: 1; }
.nav-link {
  display: block; padding: 8px 20px;
  color: var(--text-secondary); text-decoration: none;
  transition: background 120ms, color 120ms;
}
.nav-link:hover, .nav-link.active {
  background: var(--accent-dim);
  color: var(--text-primary);
  border-left: 2px solid var(--accent);
}
.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 12px; }
.admin-name { display: block; margin-bottom: 8px; }

.main-content { flex: 1; padding: 32px; overflow-y: auto; min-height: 0; }

/* Page header */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.page-title { font-size: 20px; font-weight: 600; }

/* Cards */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}
.card-title { font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.card-header-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }

/* Metrics */
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.metric-card {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px; text-align: center;
}
.metric-value { font-size: 32px; font-weight: 600; font-family: var(--font-mono); color: var(--text-primary); }
.metric-errors { color: var(--danger); }
.metric-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; margin-top: 4px; }

/* Tables */
.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left; padding: 8px 12px; font-size: 11px;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em;
  border-bottom: 1px solid var(--border);
}
.table td { padding: 10px 12px; border-bottom: 1px solid var(--border-subtle); }
.table tr:hover td { background: var(--bg-elevated); }
.table tr:last-child td { border-bottom: none; }
.empty { color: var(--text-muted); text-align: center; padding: 24px; }

/* Forms */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 8px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-ui); font-size: 14px;
  transition: border-color 120ms;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btn-row { display: flex; gap: 8px; margin-top: 20px; }
.required { color: var(--danger); }
.hint { font-size: 12px; color: var(--text-muted); margin-top: -8px; margin-bottom: 16px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; padding: 8px 16px;
  border-radius: var(--radius-md); font-size: 14px; font-family: var(--font-ui);
  cursor: pointer; text-decoration: none; border: 1px solid var(--border);
  background: transparent; color: var(--text-primary);
  transition: background 120ms, transform 100ms;
}
.btn:hover { background: var(--bg-elevated); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-1px); }
.btn-danger { color: var(--danger); border-color: var(--danger-dim); }
.btn-danger:hover { background: var(--danger-dim); }
.btn-link { background: none; border: none; color: var(--text-muted); padding: 4px 8px; }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { background: none; border: none; cursor: pointer; padding: 4px 6px; color: var(--text-secondary); }
.btn-group { display: flex; gap: 8px; }

/* Badges */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: var(--radius-sm); font-size: 11px; font-weight: 500;
}
.badge-success  { background: var(--success-dim);          color: var(--success); }
.badge-warning  { background: rgba(245,166,35,.12);        color: var(--warning); }
.badge-danger   { background: var(--danger-dim);           color: var(--danger); }
.badge-muted    { background: var(--bg-elevated);          color: var(--text-muted); }
.badge-inactive { background: var(--bg-elevated);          color: var(--text-muted); text-decoration: line-through; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: var(--radius-md); margin-bottom: 16px; }
.alert-danger  { background: var(--danger-dim);  color: var(--danger);  border: 1px solid var(--danger); }
.alert-success { background: var(--success-dim); color: var(--success); border: 1px solid rgba(52,201,122,.3); }
.alert-warning { background: rgba(245,166,35,.1); color: var(--warning); border: 1px solid rgba(245,166,35,.3); }

/* Audit log event badges */
.badge-event-mail_relayed     { background: var(--accent-dim);          color: var(--accent); }
.badge-event-mail_accepted    { background: var(--bg-elevated);         color: var(--text-secondary); }
.badge-event-mail_relay_error { background: var(--danger-dim);          color: var(--danger); }
.badge-event-smtp_auth_ok     { background: var(--success-dim);         color: var(--success); }
.badge-event-smtp_auth_fail   { background: var(--danger-dim);          color: var(--danger); }
.badge-event-account_locked   { background: rgba(245,166,35,.12);       color: var(--warning); }
.badge-event-account_created  { background: var(--success-dim);         color: var(--success); }
.badge-event-admin_login      { background: var(--bg-elevated);         color: var(--text-muted); }
.badge-event-token_refresh    { background: var(--bg-elevated);         color: var(--text-muted); }

/* Credential block */
.credential-block { background: var(--bg-overlay); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 12px 16px; margin: 16px 0; }
.credential-value { display: flex; align-items: center; gap: 8px; margin-top: 6px; }
.credential-value code { font-family: var(--font-mono); font-size: 13px; flex: 1; }
.copied-hint { font-size: 11px; color: var(--success); }
.label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; }
.info-row { gap: 24px; align-items: flex-start; margin-top: 16px; }
.info-row > div { display: flex; flex-direction: column; gap: 4px; }

/* Mono utility */
.mono { font-family: var(--font-mono); font-size: 13px; }

/* Login page */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: 380px; background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-md); }
.login-title { font-size: 24px; font-weight: 600; text-align: center; }
.login-sub { color: var(--text-muted); text-align: center; margin-bottom: 32px; }