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

:root {
  --black:      #000000;
  --white:      #ffffff;
  --gray-50:    #f8f8f8;
  --gray-100:   #ebebeb;
  --gray-200:   #d4d4d4;
  --gray-400:   #888888;
  --gray-500:   #666666;
  --gray-600:   #444444;
  --gray-700:   #2a2a2a;
  --gray-800:   #1a1a1a;
  --gray-900:   #111111;
  --surface:    #0d0d0d;

  --text:       #e8e8e8;
  --text-muted: #666666;
  --border:     #2a2a2a;
  --border-sub: #1e1e1e;

  --danger:     #e05555;
  --danger-bg:  #1a0a0a;

  --font-sans:  -apple-system, 'Helvetica Neue', 'Arial', sans-serif;
  --font-mono:  'SF Mono', 'Fira Code', 'Consolas', monospace;

  --radius:     0px;
  --transition: 160ms ease;

  --topbar-h:   56px;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.65;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; font-size: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* ── Typography ─────────────────────────────────────────────────────────── */
.text-muted  { color: var(--text-muted); }
.mono        { font-family: var(--font-mono); font-size: 0.8125rem; }
.uppercase   { text-transform: uppercase; letter-spacing: 0.08em; }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.btn-primary:hover { background: var(--gray-100); border-color: var(--gray-100); }

.btn-outline {
  border-color: var(--gray-600);
  color: var(--gray-100);
}
.btn-outline:hover { border-color: var(--white); color: var(--white); }

.btn-ghost {
  border-color: transparent;
  color: var(--gray-400);
}
.btn-ghost:hover { color: var(--white); background: var(--gray-800); }

.btn-danger {
  border-color: var(--danger);
  color: var(--danger);
}
.btn-danger:hover { background: var(--danger); color: var(--white); }

.btn-drive {
  border-color: var(--gray-600);
  color: var(--gray-200);
  font-size: 0.8125rem;
}
.btn-drive:hover { border-color: var(--white); color: var(--white); }

.btn-sm  { padding: 0.35rem 0.75rem; font-size: 0.75rem; }
.btn-xs  { padding: 0.2rem 0.55rem;  font-size: 0.725rem; }
.btn-full { width: 100%; justify-content: center; }

.reveal-btn {
  background: transparent;
  border: none;
  color: var(--gray-400);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  transition: color var(--transition);
  flex-shrink: 0;
}
.reveal-btn:hover { color: var(--white); }

/* ── Form Elements ──────────────────────────────────────────────────────── */
.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-400);
}
.field-input {
  background: var(--gray-900);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.625rem 0.875rem;
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
  -webkit-appearance: none;
}
.field-input:focus { border-color: var(--gray-400); }
.field-input::placeholder { color: var(--gray-600); }

select.field-input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 2rem; }

.field-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.field-input-wrap .field-input { padding-right: 2.5rem; }
.field-input-wrap .reveal-btn {
  position: absolute;
  right: 8px;
}

/* ── Alerts ─────────────────────────────────────────────────────────────── */
.alert {
  padding: 0.625rem 0.875rem;
  font-size: 0.8125rem;
  border-left: 2px solid;
  margin-top: 0.75rem;
}
.alert-error { background: var(--danger-bg); border-color: var(--danger); color: #f08080; }
.alert.hidden { display: none; }

/* ── Badges ─────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid;
}
.badge-admin    { border-color: var(--white);      color: var(--white); }
.badge-employee { border-color: var(--gray-600);   color: var(--gray-400); }

/* ── Topbar ─────────────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--topbar-h);
  background: var(--black);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.04em;
}
.topbar-company { color: var(--white); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.topbar-sep     { color: var(--gray-600); }
.topbar-product { color: var(--gray-400); }
.topbar-badge   { padding: 1px 6px; border: 1px solid var(--gray-600); color: var(--gray-400); font-size: 0.65rem; letter-spacing: 0.06em; text-transform: uppercase; }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.topbar-user {
  font-size: 0.8125rem;
  color: var(--gray-400);
  padding-right: 0.75rem;
  border-right: 1px solid var(--border);
}

/* ── Main Content ───────────────────────────────────────────────────────── */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
}

.page-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.page-title {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--white);
}
.page-subtitle { color: var(--text-muted); margin-top: 0.25rem; }

/* ── Cards Grid (Dashboard) ─────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  background: var(--border);
}

.card {
  background: var(--black);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.card-header {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border-sub);
}
.card-title {
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
}
.card-description {
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.card-section {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-sub);
}
.card-section:last-child { border-bottom: none; }

.card-sensitive {}
.sensitive-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 0.75rem;
}

.sensitive-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-top: 1px solid var(--border-sub);
}
.sensitive-row:first-of-type { border-top: none; }

.sensitive-key {
  font-size: 0.8rem;
  color: var(--gray-400);
  min-width: 0;
  flex-shrink: 0;
  margin-right: 1rem;
}
.sensitive-value-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.sensitive-value {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--white);
  word-break: break-all;
}
.sensitive-value.masked {
  color: var(--gray-500);
  letter-spacing: 0.1em;
}

/* ── Empty State ────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.empty-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: 0.3;
}

/* ── Login ──────────────────────────────────────────────────────────────── */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.login-wrap {
  width: 100%;
  max-width: 380px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3rem;
}
.brand-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}
.brand-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  white-space: nowrap;
}
.brand-company {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
}
.brand-product {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.login-form { display: flex; flex-direction: column; gap: 1.25rem; }

/* ── Admin Tabs ─────────────────────────────────────────────────────────── */
.tab-nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
  gap: 0;
}
.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--gray-500);
  padding: 0.75rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  margin-bottom: -1px;
}
.tab-btn.active { color: var(--white); border-bottom-color: var(--white); }
.tab-btn:hover:not(.active) { color: var(--gray-200); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Panel ──────────────────────────────────────────────────────────────── */
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.panel-title {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
}

/* ── Data Table ─────────────────────────────────────────────────────────── */
.table-wrap {
  border: 1px solid var(--border);
  overflow-x: auto;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  background: var(--gray-900);
  color: var(--gray-400);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border-sub);
  color: var(--text);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--gray-900); }
.actions-cell {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
  white-space: nowrap;
}

/* ── Admin Cards ────────────────────────────────────────────────────────── */
.cards-admin-wrap { display: flex; flex-direction: column; gap: 2rem; }

.user-selector-wrap {
  max-width: 380px;
}

.cards-panel { }
.cards-panel.hidden { display: none; }

.cards-admin-list { display: flex; flex-direction: column; gap: 1px; background: var(--border); }

.card-admin-item {
  background: var(--black);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.card-admin-item-info { flex: 1; min-width: 0; }
.card-admin-title { font-weight: 500; color: var(--white); }
.card-admin-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-admin-actions { display: flex; gap: 4px; flex-shrink: 0; }

/* ── Modal ──────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}
.modal-overlay.hidden { display: none; }

.modal {
  background: var(--gray-900);
  border: 1px solid var(--gray-700);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-lg  { max-width: 640px; }
.modal-sm  { max-width: 360px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.modal-close {
  background: transparent;
  border: none;
  color: var(--gray-400);
  font-size: 1rem;
  cursor: pointer;
  padding: 2px 6px;
}
.modal-close:hover { color: var(--white); }

.modal-body-text {
  padding: 1.5rem;
  color: var(--gray-200);
  font-size: 0.875rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}

form .form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.5rem;
}
.span-2 { grid-column: 1 / -1; }

/* ── Sensitive fields in admin form ─────────────────────────────────────── */
.sensitive-section { padding: 0 1.5rem 1rem; }
.sensitive-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
}

.sensitive-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 0.5rem;
  align-items: end;
  margin-bottom: 0.5rem;
}
.sensitive-field-row .remove-btn {
  background: transparent;
  border: 1px solid var(--gray-700);
  color: var(--gray-500);
  padding: 0.625rem 0.625rem;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
  align-self: flex-end;
}
.sensitive-field-row .remove-btn:hover { border-color: var(--danger); color: var(--danger); }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .topbar { padding: 0 1rem; }
  .topbar-user { display: none; }
  .main-content { padding: 1.5rem 1rem 3rem; }
  .cards-grid { grid-template-columns: 1fr; gap: 0; }
  form .form-grid { grid-template-columns: 1fr; }
  .sensitive-field-row { grid-template-columns: 1fr 1fr auto; }
  .table-wrap { font-size: 0.8rem; }
}

@media (max-width: 400px) {
  .sensitive-field-row { grid-template-columns: 1fr; }
  .sensitive-field-row .remove-btn { width: fit-content; }
}