/* ── Variables ─────────────────────────────────────────────────── */
:root {
  --bg: #0f0f13;
  --surface: #1a1a24;
  --surface2: #22222f;
  --border: #2e2e40;
  --purple: #6366f1;
  --purple-h: #818cf8;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --radius: 12px;
  --trans: all .18s ease;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

input,
select,
button,
textarea {
  font-family: inherit;
}

.hidden {
  display: none !important;
}

/* ── Auth View ─────────────────────────────────────────────────── */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 60% 20%, rgba(99, 102, 241, .18) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(139, 92, 246, .12) 0%, transparent 55%),
    var(--bg);
}

.auth-card {
  width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .5);
}

.logo-mark {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.auth-title {
  text-align: center;
  font-size: 22px;
  font-weight: 700;
}

.auth-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 4px;
  margin-bottom: 24px;
}

.tab-bar {
  display: flex;
  background: var(--surface2);
  border-radius: 10px;
  padding: 4px;
  gap: 4px;
  margin-bottom: 24px;
}

.tab-btn {
  flex: 1;
  padding: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--trans);
}

.tab-btn.active {
  background: var(--purple);
  color: #fff;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.hint {
  font-weight: 400;
  font-size: 11px;
  opacity: .7;
}

.field input,
.filter-select {
  padding: 11px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  transition: var(--trans);
  outline: none;
}

.field input:focus,
.filter-select:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, .15);
}

.btn-primary {
  padding: 11px 20px;
  background: linear-gradient(135deg, var(--purple), #8b5cf6);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--trans);
}

.btn-primary:hover {
  opacity: .88;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, .4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}

.btn-ghost {
  padding: 9px 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--trans);
}

.btn-ghost:hover {
  border-color: var(--purple);
  color: var(--purple);
}

.error-msg {
  background: rgba(239, 68, 68, .12);
  border: 1px solid rgba(239, 68, 68, .3);
  color: #fca5a5;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
}

/* ── Dashboard Layout ──────────────────────────────────────────── */
.dashboard {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 10;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  font-size: 15px;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: none;
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: var(--trans);
}

.nav-item:hover {
  background: var(--surface2);
  color: var(--text);
}

.nav-item.active {
  background: rgba(99, 102, 241, .15);
  color: var(--purple-h);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.user-email {
  font-size: 12px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-signout {
  padding: 7px 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: var(--trans);
}

.btn-signout:hover {
  border-color: var(--red);
  color: var(--red);
}

.main-content {
  margin-left: 220px;
  flex: 1;
  padding: 32px;
}

.page {}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}

.page-header h2 {
  font-size: 22px;
  font-weight: 700;
}

.page-desc {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 3px;
}

/* ── Clients Grid ──────────────────────────────────────────────── */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.client-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--trans);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.client-card:hover {
  border-color: rgba(99, 102, 241, .4);
  box-shadow: 0 4px 20px rgba(0, 0, 0, .2);
}

.client-card-id {
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.client-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  box-shadow: 0 0 6px var(--green);
}

.client-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.client-card-footer {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.btn-qr {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-delete {
  padding: 6px 12px;
  font-size: 12px;
  background: transparent;
  border: 1px solid rgba(239, 68, 68, .4);
  border-radius: 8px;
  color: #fca5a5;
  cursor: pointer;
  transition: var(--trans);
}

.btn-delete:hover {
  background: rgba(239, 68, 68, .1);
  border-color: var(--red);
}

.empty-state,
.loading-state {
  color: var(--text-muted);
  text-align: center;
  padding: 60px 20px;
  font-size: 14px;
  grid-column: 1/-1;
}

/* ── Logs Table ────────────────────────────────────────────────── */
.log-filters {
  display: flex;
  gap: 8px;
  align-items: center;
}

.filter-select {
  padding: 8px 12px;
}

.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.log-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.log-table th {
  padding: 12px 16px;
  text-align: left;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-bottom: 1px solid var(--border);
}

.log-table td {
  padding: 13px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, .04);
}

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

.log-table tr:hover td {
  background: rgba(255, 255, 255, .02);
}

.empty-cell {
  text-align: center;
  color: var(--text-muted);
  padding: 40px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
}

.badge-success {
  background: rgba(34, 197, 94, .15);
  color: #4ade80;
}

.badge-failure {
  background: rgba(239, 68, 68, .15);
  color: #f87171;
}

.badge-register {
  background: rgba(99, 102, 241, .15);
  color: #a5b4fc;
}

.badge-delete {
  background: rgba(245, 158, 11, .15);
  color: #fbbf24;
}

.pagination {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 14px;
}

.page-btn {
  padding: 6px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  transition: var(--trans);
}

.page-btn:hover {
  border-color: var(--purple);
  color: var(--purple);
}

.page-btn.active {
  background: var(--purple);
  border-color: var(--purple);
  color: #fff;
}

/* ── Code snippet block ────────────────────────────────────────── */
.code-block {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.code-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.code-block code {
  color: var(--purple-h);
  font-size: 13px;
}

.badge-revoked {
  background: rgba(148, 163, 184, .1);
  color: var(--text-muted);
}


/* ── Modal ─────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, .7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 32px;
  width: 460px;
  max-width: 95vw;
  box-shadow: 0 32px 80px rgba(0, 0, 0, .6);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.modal-header h3 {
  font-size: 17px;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 6px;
  transition: var(--trans);
}

.modal-close:hover {
  background: var(--surface2);
  color: var(--text);
}

.modal form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 4px;
}

/* QR Step */
.qr-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.qr-notice {
  background: rgba(245, 158, 11, .12);
  border: 1px solid rgba(245, 158, 11, .3);
  color: #fcd34d;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  width: 100%;
}

.qr-img {
  width: 180px;
  height: 180px;
  border-radius: 12px;
}

.secret-box {
  width: 100%;
}

.secret-box label {
  font-size: 12px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

.secret-value {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}

.secret-value code {
  flex: 1;
  font-size: 13px;
  letter-spacing: .5px;
  word-break: break-all;
  text-align: left;
}

.copy-btn {
  padding: 4px 10px;
  background: var(--purple);
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 12px;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--trans);
}

.copy-btn:hover {
  opacity: .85;
}

.qr-hint {
  font-size: 12px;
  color: var(--text-muted);
}