/* ─────────────────────────────────────────────────────────────────
   Admin Portal — Dark Professional Theme
   ───────────────────────────────────────────────────────────────── */

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

:root {
  --bg:         #0f0f17;
  --sidebar:    #13131d;
  --surface:    #1a1a28;
  --card:       #1e1e30;
  --border:     #2a2a40;
  --accent:     #7c6af7;
  --accent2:    #5a4fd6;
  --danger:     #e05260;
  --success:    #3ecf8e;
  --warn:       #f0a732;
  --text:       #e2e2f0;
  --muted:      #8888aa;
  --radius:     8px;
  --sidebar-w:  220px;
  --transition: 0.18s ease;
}

html, body { height: 100%; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }

/* ─── Login ────────────────────────────────────────────────────── */
#login-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at 60% 40%, #1f1840 0%, #0f0f17 70%);
}
.login-box {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 48px 40px; max-width: 420px; width: 100%; text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.login-icon { font-size: 48px; margin-bottom: 16px; }
.login-title { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.login-sub { color: var(--muted); margin-bottom: 28px; }

.auth-error {
  background: rgba(224,82,96,0.15); border: 1px solid var(--danger); border-radius: var(--radius);
  padding: 12px 16px; color: var(--danger); font-size: 13px; margin-bottom: 20px; display: none;
}
.auth-error.visible { display: block; }

.oauth-buttons { display: flex; flex-direction: column; gap: 12px; }
.oauth-btn {
  display: flex; align-items: center; gap: 12px; padding: 12px 18px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); font-size: 14px; font-weight: 500; cursor: pointer; text-decoration: none;
  transition: background var(--transition), border-color var(--transition);
}
.oauth-btn:hover { background: var(--card); border-color: var(--accent); }
.oauth-btn-icon { font-size: 20px; }

/* ─── App Layout ───────────────────────────────────────────────── */
#app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w); min-height: 100vh; background: var(--sidebar);
  border-right: 1px solid var(--border); display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; z-index: 50; overflow-y: auto;
}
.sidebar-brand {
  padding: 20px 18px; font-size: 18px; font-weight: 700; letter-spacing: .5px;
  border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px;
}
.brand-icon { font-size: 22px; }

.sidebar-nav { flex: 1; padding: 12px 0; }
.nav-link {
  display: flex; align-items: center; gap: 10px; padding: 10px 18px;
  color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500;
  transition: color var(--transition), background var(--transition);
  border-left: 3px solid transparent;
}
.nav-link:hover { color: var(--text); background: rgba(124,106,247,0.08); }
.nav-link.active { color: var(--accent); background: rgba(124,106,247,0.12); border-left-color: var(--accent); }
.nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer { padding: 16px 18px; border-top: 1px solid var(--border); }
.admin-info { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.admin-avatar { font-size: 20px; }
.admin-email-text { font-size: 12px; color: var(--muted); word-break: break-all; }
.logout-btn {
  width: 100%; padding: 8px; background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--muted); font-size: 13px; cursor: pointer;
  transition: all var(--transition);
}
.logout-btn:hover { border-color: var(--danger); color: var(--danger); }

.main-content {
  flex: 1; margin-left: var(--sidebar-w); padding: 28px 32px;
  min-height: 100vh; max-width: 1400px;
}

/* ─── Page Header ──────────────────────────────────────────────── */
.page-header { margin-bottom: 24px; }
.page-title { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.page-sub { color: var(--muted); font-size: 13px; }

/* ─── Stat Cards ───────────────────────────────────────────────── */
.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; transition: border-color var(--transition);
}
.stat-card:hover { border-color: var(--accent); }
.stat-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .8px; margin-bottom: 8px; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--text); }
.stat-icon { font-size: 22px; float: right; margin-top: -4px; }

/* ─── Section Row ──────────────────────────────────────────────── */
.section-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 28px; }
@media (max-width: 900px) { .section-row { grid-template-columns: 1fr; } }

/* ─── Cards ────────────────────────────────────────────────────── */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
}
.card-header {
  padding: 14px 18px; border-bottom: 1px solid var(--border); font-weight: 600;
  font-size: 14px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.card-body { padding: 16px 18px; }

/* ─── Bar Chart ────────────────────────────────────────────────── */
.bar-chart { display: flex; align-items: flex-end; gap: 4px; height: 120px; padding: 0 4px; }
.bar-chart-bar {
  flex: 1; background: var(--accent); border-radius: 3px 3px 0 0; min-width: 6px;
  transition: background var(--transition); cursor: default; position: relative;
}
.bar-chart-bar:hover { background: var(--accent2); }
.bar-chart-bar[data-tip]:hover::after {
  content: attr(data-tip); position: absolute; bottom: calc(100% + 6px); left: 50%;
  transform: translateX(-50%); background: #222; border: 1px solid var(--border);
  padding: 4px 8px; border-radius: 4px; font-size: 11px; white-space: nowrap; z-index: 10;
}
.chart-empty { display: flex; align-items: center; justify-content: center; height: 120px; color: var(--muted); font-size: 13px; }

/* ─── Tables ───────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .6px; background: var(--surface); }
tr:hover td { background: rgba(255,255,255,0.02); }
tr:last-child td { border-bottom: none; }
td.truncate { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ─── Toolbar ──────────────────────────────────────────────────── */
.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.search-input {
  flex: 1; min-width: 180px; max-width: 360px; padding: 8px 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); font-size: 14px; outline: none; transition: border-color var(--transition);
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--muted); }

select.input-select {
  padding: 8px 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 14px; outline: none;
  cursor: pointer; transition: border-color var(--transition);
}
select.input-select:focus { border-color: var(--accent); }

/* ─── Pagination ───────────────────────────────────────────────── */
.pagination { display: flex; align-items: center; gap: 8px; margin-top: 16px; justify-content: flex-end; }
.page-btn {
  padding: 6px 12px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 13px; cursor: pointer;
  transition: all var(--transition);
}
.page-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.page-btn:disabled { opacity: 0.4; cursor: default; }
.page-info { font-size: 13px; color: var(--muted); }

/* ─── Buttons ──────────────────────────────────────────────────── */
.btn {
  padding: 7px 14px; border-radius: var(--radius); font-size: 13px; font-weight: 500;
  cursor: pointer; border: 1px solid transparent; transition: all var(--transition);
  text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent2); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--muted); }
.btn-ghost:hover { border-color: var(--text); color: var(--text); }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ─── Badges ───────────────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 100px; font-size: 11px; font-weight: 600;
}
.badge-google    { background: rgba(66,133,244,0.2); color: #4285f4; }
.badge-microsoft { background: rgba(0,120,215,0.2);  color: #0078d7; }
.badge-yahoo     { background: rgba(110,0,235,0.2);   color: #6e00eb; }

/* ─── Avatar ───────────────────────────────────────────────────── */
.user-avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; vertical-align: middle; margin-right: 8px; }
.user-avatar-placeholder { display: inline-block; width: 28px; height: 28px; border-radius: 50%; background: var(--border); vertical-align: middle; margin-right: 8px; text-align: center; line-height: 28px; font-size: 14px; }

/* ─── Modal ────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.65); z-index: 200;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.modal-header {
  padding: 18px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--muted); font-size: 18px; cursor: pointer; padding: 4px 8px; border-radius: 4px; }
.modal-close:hover { color: var(--text); background: var(--surface); }
.modal-body { padding: 20px; }

.detail-grid { display: grid; grid-template-columns: 140px 1fr; gap: 10px 16px; }
.detail-label { color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .6px; align-self: center; }
.detail-value { font-size: 14px; word-break: break-all; }
.detail-actions { display: flex; gap: 10px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border); }
.modal-body .search-input { background: var(--surface); }

/* ─── Empty / Loading ──────────────────────────────────────────── */
.empty { padding: 40px; text-align: center; color: var(--muted); font-size: 14px; }
.loading { padding: 60px; text-align: center; color: var(--muted); font-size: 14px; }

/* ─── Spinner ──────────────────────────────────────────────────── */
.spinner {
  width: 28px; height: 28px; border: 3px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%; animation: spin 0.7s linear infinite; margin: 12px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Toast ────────────────────────────────────────────────────── */
#toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 1000; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 12px 18px; border-radius: var(--radius); font-size: 13px; font-weight: 500;
  max-width: 320px; box-shadow: 0 4px 20px rgba(0,0,0,0.4); animation: slide-in 0.2s ease;
}
.toast-success { background: var(--success); color: #0a2018; }
.toast-error   { background: var(--danger);  color: #fff; }
.toast-info    { background: var(--surface); border: 1px solid var(--border); color: var(--text); }
@keyframes slide-in { from { opacity:0; transform: translateY(16px); } to { opacity:1; transform: translateY(0); } }

/* ─── Utility ──────────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-muted  { color: var(--muted); }
.text-danger { color: var(--danger); }
.btn-link-user { background: none; border: none; padding: 0; color: var(--accent); font-size: inherit; font-weight: 600; cursor: pointer; text-decoration: underline; text-decoration-style: dotted; text-underline-offset: 2px; }
.btn-link-user:hover { color: var(--accent-hover, #a78bfa); }
.text-success { color: var(--success); }
.mt-0 { margin-top: 0; }
.mb-16 { margin-bottom: 16px; }