/* ── Dark theme (default) ── */
:root, [data-theme="dark"] {
  --bg: #0d1117;
  --surface: #161b22;
  --surface2: #1c2333;
  --border: #30363d;
  --primary: #4f8ef7;
  --primary-hover: #3a7be0;
  --accent: #38b2ac;
  --danger: #f85149;
  --warning: #d29922;
  --success: #3fb950;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --radius: 8px;
  --overlay-bg: rgba(13,17,23,0.7);
  --modal-overlay: rgba(0,0,0,0.7);
  --toast-shadow: rgba(0,0,0,0.4);
}

/* ── Light theme ── */
[data-theme="light"] {
  --bg: #f6f8fa;
  --surface: #ffffff;
  --surface2: #f0f2f5;
  --border: #d0d7de;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --accent: #0d9488;
  --danger: #dc2626;
  --warning: #ca8a04;
  --success: #16a34a;
  --text: #1f2328;
  --text-muted: #656d76;
  --overlay-bg: rgba(246,248,250,0.7);
  --modal-overlay: rgba(0,0,0,0.5);
  --toast-shadow: rgba(0,0,0,0.15);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

/* ── Auth screens ── */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.auth-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
}

.auth-box h1 { font-size: 28px; margin-bottom: 8px; }
.auth-box .subtitle { color: var(--text-muted); margin-bottom: 28px; font-size: 14px; }

.auth-box .link-row {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-muted);
}

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea { min-height: 80px; resize: vertical; }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--surface); }

.password-wrapper {
  position: relative;
}
.password-wrapper input { padding-right: 40px; }
.password-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { opacity: 0.9; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { opacity: 0.9; }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--text-muted); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { display: block; width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-error { background: rgba(248,81,73,0.15); color: var(--danger); border: 1px solid rgba(248,81,73,0.3); }
.alert-success { background: rgba(63,185,80,0.15); color: var(--success); border: 1px solid rgba(63,185,80,0.3); }
.alert-warning { background: rgba(210,153,34,0.15); color: var(--warning); border: 1px solid rgba(210,153,34,0.3); }
.alert-info { background: rgba(79,142,247,0.15); color: var(--primary); border: 1px solid rgba(79,142,247,0.3); }

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

.sidebar {
  width: 260px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
}

.sidebar-header {
  padding: 24px 20px 16px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.sidebar-brand {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-bottom: 14px;
}

.sidebar-owner {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  padding: 7px 16px;
  background: rgba(79,142,247,0.1);
  border-radius: 20px;
  border: 1px solid rgba(79,142,247,0.15);
  display: inline-block;
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}

.sidebar-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 12px;
}

.header-action-btn {
  background: none;
  border: 1px solid var(--border);
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
  transition: color 0.2s, background 0.2s;
  font-family: inherit;
}

.header-action-btn:first-child {
  border-radius: 6px 0 0 6px;
  border-right: none;
}

.header-action-btn:last-child {
  border-radius: 0 6px 6px 0;
}

.header-action-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  flex-shrink: 0;
}

.header-action-btn:hover {
  color: var(--text);
  background: var(--surface2);
}

.action-icon {
  font-size: 18px;
  vertical-align: -2px;
}

.sidebar-nav { flex: 1; padding: 12px 0; }

.nav-section-label {
  padding: 8px 20px 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: rgba(79,142,247,0.12); color: var(--primary); }
.nav-item .icon { font-size: 16px; width: 24px; text-align: center; }
.nav-item .count {
  margin-left: auto;
  background: var(--surface2);
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.sidebar-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}

.sidebar-footer .btn { width: 100%; justify-content: center; font-size: 13px; }

.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.main-content > * {
  width: 100%;
  max-width: 900px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-header h1 { font-size: 24px; }
.page-header .actions { display: flex; gap: 8px; }

/* ── Vault dashboard grid ── */
.vault-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.vault-grid > .card {
  width: calc(25% - 9px);
  min-width: 180px;
}

@media (max-width: 900px) {
  .vault-grid > .card { width: calc(50% - 6px); }
}

@media (max-width: 500px) {
  .vault-grid > .card { width: 100%; }
}

/* ── Vault dashboard cards ── */
.vault-card {
  text-align: center;
  cursor: pointer;
  padding: 24px 16px;
}

.vault-card-icon { font-size: 32px; margin-bottom: 10px; }
.vault-card-name { font-weight: 600; font-size: 14px; }
.vault-card-count { color: var(--text-muted); font-size: 13px; margin-top: 4px; }

/* ── Cards & entries ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.card-header h3 { font-size: 16px; }
.card-header .actions { display: flex; gap: 6px; }

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}

.field-item label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.field-item .value {
  font-size: 14px;
  word-break: break-word;
}

.field-item .value.sensitive {
  filter: blur(5px);
  cursor: pointer;
  transition: filter 0.2s;
  user-select: none;
}

.field-item .value.sensitive.revealed { filter: none; user-select: auto; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .icon { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { margin-bottom: 8px; color: var(--text); }
.empty-state p { margin-bottom: 20px; }

/* ── Dead man's switch ── */
.switch-status {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.switch-status.active { background: rgba(63,185,80,0.12); border: 1px solid rgba(63,185,80,0.3); }
.switch-status.overdue { background: rgba(210,153,34,0.12); border: 1px solid rgba(210,153,34,0.3); }
.switch-status.triggered { background: rgba(248,81,73,0.12); border: 1px solid rgba(248,81,73,0.3); }
.switch-status.inactive { background: var(--surface2); border: 1px solid var(--border); }

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.green { background: var(--success); }
.status-dot.yellow { background: var(--warning); }
.status-dot.red { background: var(--danger); }
.status-dot.gray { background: var(--text-muted); }

/* ── Beneficiary ── */
.beneficiary-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.beneficiary-info { flex: 1; }
.beneficiary-info .name { font-weight: 600; }
.beneficiary-info .meta { font-size: 13px; color: var(--text-muted); }
.beneficiary-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
}
.badge-success { background: rgba(63,185,80,0.2); color: var(--success); }
.badge-warning { background: rgba(210,153,34,0.2); color: var(--warning); }
.badge-danger { background: rgba(248,81,73,0.2); color: var(--danger); }

.token-display {
  margin-top: 12px;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--warning);
  border-radius: var(--radius);
  font-family: monospace;
  font-size: 13px;
  word-break: break-all;
}

.token-display .warning {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 12px;
  color: var(--warning);
  margin-bottom: 8px;
  font-weight: 600;
}

/* ── Beneficiary access portal ── */
.access-portal {
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 20px;
}

.access-portal h1 { margin-bottom: 8px; }
.access-portal .subtitle { color: var(--text-muted); margin-bottom: 24px; }

.vault-readonly .section-group { margin-bottom: 32px; }
.vault-readonly .section-title {
  font-size: 18px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ── Checkin banner ── */
.checkin-banner {
  position: fixed;
  top: 0;
  left: 260px;
  right: 0;
  padding: 10px 20px;
  background: rgba(210,153,34,0.95);
  color: #000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
  font-size: 14px;
  font-weight: 500;
}

.checkin-banner .btn { background: #000; color: #fff; }

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal h2 { margin-bottom: 16px; }
.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar {
    position: relative;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .app-layout { flex-direction: column; }
  .main-content { margin-left: 0; padding: 16px; align-items: stretch; }
  .checkin-banner { left: 0; }
  .field-grid { grid-template-columns: 1fr; }
}

/* ── Toast notifications ── */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  pointer-events: auto;
  animation: toast-in 0.3s ease;
  max-width: 380px;
  word-break: break-word;
  box-shadow: 0 4px 12px var(--toast-shadow);
}

.toast-success { background: rgba(63,185,80,0.95); color: #fff; }
.toast-error { background: rgba(248,81,73,0.95); color: #fff; }
.toast-warning { background: rgba(210,153,34,0.95); color: #fff; }

.toast-fade { opacity: 0; transition: opacity 0.3s ease; }

@keyframes toast-in {
  from { transform: translateX(40px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ── Loading overlay ── */
.loading-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  border-radius: var(--radius);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Search box ── */
.search-box {
  margin-top: 0;
}

.search-box input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
}

.search-box input::placeholder { color: var(--text-muted); }

/* ── Onboarding steps ── */
.onboarding-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.step strong { color: var(--text); }
.step br + * { color: var(--text-muted); font-size: 13px; }

/* ── Audit table ── */
.audit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.audit-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.audit-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.audit-table tbody tr:hover {
  background: var(--surface2);
}

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


/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }