/* ═══════════════════════════════════════════════════════════════
   EVA VPN Dashboard — Dark + Light Theme
   ═══════════════════════════════════════════════════════════════ */

/* ── Theme tokens ───────────────────────────────────────────── */

:root, [data-theme="dark"] {
  --bg:           #0d1117;
  --surface:      #161b22;
  --card:         #1c2128;
  --card-hover:   #22272e;
  --border:       #30363d;
  --text:         #e6edf3;
  --text-muted:   #8b949e;
  --accent:       #58a6ff;
  --accent-hover: #79c0ff;
  --green:        #3fb950;
  --green-dim:    #238636;
  --red:          #f85149;
  --red-dim:      #da3633;
  --amber:        #d29922;
  --amber-dim:    #9e6a03;
  --purple:       #bc8cff;
  --input-bg:     #0d1117;
  --login-bg:     #0d1117;
  --login-glow1:  rgba(88,166,255,.06);
  --login-glow2:  rgba(188,140,255,.05);
}

[data-theme="light"] {
  --bg:           #f0f2f5;
  --surface:      #ffffff;
  --card:         #ffffff;
  --card-hover:   #f6f8fa;
  --border:       #d1d5db;
  --text:         #1f2328;
  --text-muted:   #656d76;
  --accent:       #0969da;
  --accent-hover: #0550ae;
  --green:        #1a7f37;
  --green-dim:    #2da44e;
  --red:          #cf222e;
  --red-dim:      #a40e26;
  --amber:        #9a6700;
  --amber-dim:    #bf8700;
  --purple:       #8250df;
  --input-bg:     #f6f8fa;
  --login-bg:     #f0f2f5;
  --login-glow1:  rgba(9,105,218,.05);
  --login-glow2:  rgba(130,80,223,.04);
}

/* ── Variables ──────────────────────────────────────────────── */

:root {
  --sidebar-w:    240px;
  --radius:       8px;
  --radius-sm:    4px;
  --shadow:       0 2px 12px rgba(0,0,0,.15);
  --transition:   .2s ease;
}

/* ── Reset ──────────────────────────────────────────────────── */

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

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

code {
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
  font-size: 0.88em;
  background: rgba(110,118,129,.12);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* ── Sidebar ────────────────────────────────────────────────── */

.sidebar {
  position: fixed;
  left: 0; top: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: background var(--transition), border var(--transition);
}

.sidebar-brand {
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}
.brand-icon { font-size: 1.4rem; color: var(--accent); }
.brand-icon.large { font-size: 2.2rem; }
.brand-text { font-size: 1.1rem; font-weight: 700; letter-spacing: .5px; }

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.nav-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 14px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-weight: 500;
  transition: all var(--transition);
  font-size: .9rem;
}
.nav-item:hover { background: rgba(110,118,129,.1); color: var(--text); }
.nav-item.active { background: rgba(88,166,255,.12); color: var(--accent); }
.nav-item.small { font-size: .8rem; padding: 6px 10px; }
.nav-icon { font-size: 1.1rem; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}
.user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  margin-bottom: 6px;
}
.user-role {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  padding: 2px 8px;
  border-radius: 10px;
}
.user-role.admin { background: rgba(88,166,255,.15); color: var(--accent); }
.user-role.manager { background: rgba(188,140,255,.15); color: var(--purple); }
.user-name { font-weight: 500; font-size: .85rem; }

.sidebar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}
.logout-btn:hover { color: var(--red) !important; background: rgba(248,81,73,.08); }

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* ── Main content ───────────────────────────────────────────── */

.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  padding: 0 32px 32px;
  transition: margin var(--transition);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.page-header h1 { font-size: 1.4rem; font-weight: 600; }
.header-meta { color: var(--text-muted); font-size: .85rem; display: flex; align-items: center; gap: 12px; }

/* ── Stats ──────────────────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-value { font-size: 2rem; font-weight: 700; line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: .85rem; color: var(--text-muted); font-weight: 500; }
.stat-icon { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 2rem; opacity: .12; }

.accent-green .stat-value { color: var(--green); }
.accent-green { border-left: 3px solid var(--green); }
.accent-blue .stat-value { color: var(--accent); }
.accent-blue { border-left: 3px solid var(--accent); }
.accent-red .stat-value { color: var(--red); }
.accent-red { border-left: 3px solid var(--red); }
.accent-amber .stat-value { color: var(--amber); }
.accent-amber { border-left: 3px solid var(--amber); }
.accent-purple .stat-value { color: var(--purple); }
.accent-purple { border-left: 3px solid var(--purple); }

/* ── Cards ──────────────────────────────────────────────────── */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: background var(--transition), border var(--transition);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-header h2 { font-size: 1rem; font-weight: 600; }
.card-link { font-size: .8rem; font-weight: 500; }
.card-body { padding: 20px; }
.grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Tables ─────────────────────────────────────────────────── */

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 10px 14px; text-align: left; white-space: nowrap; }
.data-table th {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--text-muted);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
}
.data-table tr { border-bottom: 1px solid var(--border); transition: background var(--transition); }
.data-table tbody tr:hover { background: var(--card-hover); }
.data-table td { font-size: .88rem; }
.actions-cell { display: flex; gap: 4px; }

.text-nowrap { white-space: nowrap; }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--red); font-size: .9rem; }

.log-details-cell { max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-muted); }

/* ── Dots ───────────────────────────────────────────────────── */

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.dot.green { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot.red { background: var(--red); }
.dot.gray { background: var(--text-muted); }

/* ── Progress ───────────────────────────────────────────────── */

.metric-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.metric-label { width: 40px; font-size: .8rem; font-weight: 600; color: var(--text-muted); }
.metric-value { font-size: .8rem; color: var(--text-muted); min-width: 48px; text-align: right; }
.progress-bar { flex: 1; height: 8px; background: rgba(110,118,129,.15); border-radius: 4px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 4px; transition: width .6s ease; }
.progress-fill.warning { background: var(--amber); }
.progress-fill.danger { background: var(--red); }
.metric-text { display: flex; justify-content: space-between; font-size: .8rem; color: var(--text-muted); margin-top: 4px; }

/* ── Info grid ──────────────────────────────────────────────── */

.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.info-item { display: flex; flex-direction: column; gap: 4px; }
.info-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); font-weight: 600; }
.info-value { font-size: 1.1rem; font-weight: 600; }

/* ── Logs ────────────────────────────────────────────────────── */

.log-list { display: flex; flex-direction: column; gap: 8px; }
.log-entry { display: flex; align-items: center; gap: 10px; font-size: .82rem; padding: 5px 0; border-bottom: 1px solid rgba(48,54,61,.3); }
.log-time { color: var(--text-muted); font-family: monospace; font-size: .78rem; white-space: nowrap; }
.log-action { font-weight: 600; font-size: .72rem; padding: 2px 8px; border-radius: 10px; white-space: nowrap; }
.log-detail { color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.action-badge { font-size: .72rem; font-weight: 600; padding: 3px 10px; border-radius: 10px; white-space: nowrap; }
.action-profile, .badge-profile { background: rgba(63,185,80,.12); color: var(--green); }
.action-invite, .badge-invite { background: rgba(210,153,34,.12); color: var(--amber); }
.action-dashboard, .action-dash, .badge-dashboard { background: rgba(88,166,255,.12); color: var(--accent); }
.action-login, .badge-login { background: rgba(188,140,255,.12); color: var(--purple); }
.action-password, .badge-password { background: rgba(88,166,255,.12); color: var(--accent); }
.action-other, .badge-other { background: rgba(139,148,158,.12); color: var(--text-muted); }

/* ── Buttons ────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  font-size: .85rem;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  background: var(--card);
  color: var(--text);
}
.btn:hover { background: var(--card-hover); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-danger { background: transparent; border-color: var(--red-dim); color: var(--red); }
.btn-danger:hover { background: var(--red-dim); color: #fff; }
.btn-warning { background: transparent; border-color: var(--amber-dim); color: var(--amber); }
.btn-warning:hover { background: var(--amber-dim); color: #fff; }
.btn-success { background: transparent; border-color: var(--green-dim); color: var(--green); }
.btn-success:hover { background: var(--green-dim); color: #fff; }
.btn-secondary { background: var(--surface); color: var(--text-muted); }
.btn-sm { padding: 4px 12px; font-size: .78rem; }
.btn-block { width: 100%; padding: 12px; }

/* ── Forms ───────────────────────────────────────────────────── */

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .82rem; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; }
.form-group.inline { display: inline-flex; flex-direction: column; margin-right: 16px; margin-bottom: 0; }

input[type="text"], input[type="password"], input[type="number"] {
  width: 100%;
  padding: 10px 14px;
  font-size: .9rem;
  font-family: inherit;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: border var(--transition), background var(--transition);
}
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(88,166,255,.15); }

.inline-select {
  padding: 4px 8px;
  font-size: .82rem;
  font-family: inherit;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
}

.search-input {
  padding: 6px 14px;
  font-size: .85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text);
  width: 200px;
  transition: all var(--transition);
}
.search-input:focus { width: 280px; outline: none; border-color: var(--accent); }

.inline-form { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; }

/* ── Invite code ────────────────────────────────────────────── */

.invite-code {
  font-size: .9rem;
  letter-spacing: 1px;
  font-weight: 600;
}
.new-codes {
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(63,185,80,.08);
  border: 1px solid var(--green-dim);
  border-radius: var(--radius);
}
.new-codes.hidden { display: none; }

/* ── Login ──────────────────────────────────────────────────── */

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--login-bg);
  background-image:
    radial-gradient(ellipse at 20% 50%, var(--login-glow1) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, var(--login-glow2) 0%, transparent 50%);
}
.login-container { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 380px;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  transition: background var(--transition), border var(--transition);
}
.login-brand { text-align: center; margin-bottom: 28px; }
.login-brand h1 { font-size: 1.6rem; font-weight: 700; margin-top: 8px; }
.login-subtitle { color: var(--text-muted); margin-top: 4px; font-size: .9rem; }
.login-form { margin-top: 20px; }
.login-form .btn { margin-top: 8px; }
.login-footer { font-size: .78rem; color: var(--text-muted); display: flex; align-items: center; }

/* ── Alerts ─────────────────────────────────────────────────── */

.alert { padding: 10px 14px; border-radius: var(--radius); font-size: .87rem; margin-bottom: 16px; }
.alert-error { background: rgba(248,81,73,.1); border: 1px solid var(--red-dim); color: var(--red); }
.alert-success { background: rgba(63,185,80,.1); border: 1px solid var(--green-dim); color: var(--green); }

/* ── Modal ──────────────────────────────────────────────────── */

.modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; }
.modal.hidden { display: none; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.5); backdrop-filter: blur(4px); }
.modal-content {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
}
.modal-content h3 { font-size: 1.1rem; margin-bottom: 16px; }
.modal-content p { font-size: .9rem; color: var(--text-muted); margin-bottom: 8px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* ── Refresh badge ──────────────────────────────────────────── */

.refresh-badge {
  font-size: .78rem;
  color: var(--text-muted);
  background: var(--surface);
  padding: 4px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

/* ── Badge count (navigation) ──────────────────────────────────── */

.badge-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  font-size: .68rem;
  font-weight: 700;
  background: var(--red);
  color: #fff;
  border-radius: 10px;
  padding: 0 5px;
  margin-left: 4px;
  line-height: 1;
}

/* ── Request status badges ─────────────────────────────────────── */

.badge {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 10px;
  white-space: nowrap;
}
.badge-pending { background: rgba(210,153,34,.15); color: var(--amber); }
.badge-approved { background: rgba(63,185,80,.12); color: var(--green); }
.badge-rejected { background: rgba(248,81,73,.12); color: var(--red); }

/* ── Empty state ────────────────────────────────────────────── */

.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); font-size: .9rem; }

/* ── Responsive ─────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .grid-2col { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar .brand-text, .sidebar .nav-label, .sidebar .user-badge, .sidebar-footer .nav-item.small { display: none; }
  .sidebar .nav-item { justify-content: center; padding: 12px; }
  .main-content { margin-left: 60px; padding: 0 16px 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}