/* ==========================================================
   Admin Dashboard
   Sidebar-first shell (desktop default), collapsing to a
   bottom tab bar on small screens. Built entirely from
   design tokens.
   ========================================================== */

:root {
  --admin-sidebar-w: 240px;
  --admin-nav-h: 60px;
}

/* ===== Shell =========================================================== */
.admin-dashboard {
  min-height: 100dvh;
  background: var(--color-bg-soft);
  width: 100%;
  display: flex;
}

.admin-dashboard__content {
  flex: 1;
  min-width: 0;
  padding: var(--space-7) var(--space-6);
  max-width: 1120px;
  animation: admin-fade-in var(--duration-medium) var(--ease-out);
}

.admin-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  font-family: var(--font-body);
  font-size: var(--step-lead);
  color: var(--color-ink-soft);
}

@keyframes admin-fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ===== Sidebar (desktop default) ======================================= */
.admin-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--admin-sidebar-w);
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-right: 1px solid var(--color-line);
  padding: var(--space-5) var(--space-4);
  z-index: 50;
}

.admin-sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-2) var(--space-6);
}

.admin-sidebar__brand-mark {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  flex: none;
}

.admin-sidebar__brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-ink);
}

.admin-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
  overflow-y: auto;
}

.admin-sidebar__section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  padding: var(--space-4) var(--space-3) var(--space-2);
}

.admin-sidebar__item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.65rem var(--space-3);
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--color-ink-soft);
  font-size: var(--step-small);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.admin-sidebar__item:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.admin-sidebar__item--active {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.admin-sidebar__item--active::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -4px;
  width: 3px;
  height: 20px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  transform: translateY(-50%);
}

.admin-sidebar__icon {
  width: 18px;
  height: 18px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.admin-sidebar__badge {
  margin-left: auto;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}

.admin-sidebar__footer {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line);
}

.admin-sidebar__logout {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: 0.6rem var(--space-3);
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--color-ink-soft);
  font-size: var(--step-small);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.admin-sidebar__logout:hover {
  background: rgba(239, 68, 68, 0.08);
  color: #ef4444;
}

@media (min-width: 900px) {
  .admin-dashboard__content {
    margin-inline-start: var(--admin-sidebar-w);
  }
}

/* ===== Bottom tab bar (mobile, below 900px) ============================ */
.admin-bottom-nav {
  display: none;
}

@media (max-width: 899px) {
  .admin-sidebar {
    inset: auto 0 0 0;
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    justify-content: space-around;
    padding: var(--space-2) var(--space-2);
    border-right: none;
    border-top: 1px solid var(--color-line);
  }

  .admin-sidebar__brand,
  .admin-sidebar__section-label,
  .admin-sidebar__footer {
    display: none;
  }

  .admin-sidebar__nav {
    flex-direction: row;
    justify-content: space-around;
    width: 100%;
    overflow: visible;
  }

  .admin-sidebar__item {
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-2);
    text-align: center;
    font-size: 0.68rem;
    white-space: nowrap;
  }

  .admin-sidebar__item--active::before {
    top: -2px;
    left: 50%;
    width: 20px;
    height: 3px;
    transform: translateX(-50%);
  }

  .admin-dashboard__content {
    padding: var(--space-5) var(--space-4)
      calc(var(--admin-nav-h) + env(safe-area-inset-bottom, 0px) + var(--space-6));
  }
}

/* ===== Header =========================================================== */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.admin-header__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
}

.admin-header__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--color-ink);
  margin: 0;
}

.admin-header__subtitle {
  font-size: var(--step-small);
  color: var(--color-ink-soft);
  margin: var(--space-2) 0 0;
}

.admin-header__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ===== Stat grid ========================================================= */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.admin-stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

.admin-stat-card__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-2);
}

.admin-stat-card__value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-ink);
  margin: 0;
}

.admin-stat-card__delta {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  font-size: 0.76rem;
  font-weight: 600;
  margin-top: var(--space-2);
}

.admin-stat-card__delta--up { color: #10b981; }
.admin-stat-card__delta--down { color: #ef4444; }
.admin-stat-card__delta--flat { color: var(--color-ink-soft); }

/* ===== Cards & sections ================================================== */
.admin-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

.admin-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.admin-card__title {
  font-size: var(--step-h3);
  font-weight: 700;
  color: var(--color-ink);
  margin: 0;
}

.admin-muted {
  color: var(--color-ink-soft);
  font-size: var(--step-small);
}

.admin-empty-state {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  color: var(--color-ink-soft);
}

/* ===== Section tabs (in-page sub-navigation) ============================ */
.admin-tabs {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-1);
  margin-bottom: var(--space-5);
}

.admin-tab {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-line);
  background: var(--color-white);
  color: var(--color-ink-soft);
  font-size: var(--step-small);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.admin-tab:hover {
  border-color: var(--color-primary-line);
}

.admin-tab--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* ===== Row list (replaces raw tables for responsive data) =============== */
.admin-row-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.admin-row {
  padding: var(--space-4);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.admin-row__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
}

.admin-row__title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-ink);
  margin: 0 0 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-row__subtitle {
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  margin: 0;
}

.admin-row__meta {
  font-size: 0.76rem;
  color: var(--color-ink-soft);
}

.admin-row__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-1);
}

/* ===== Status pills ======================================================= */
.admin-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.28rem 0.65rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  color: var(--color-white);
}

.admin-pill--neutral { background: var(--color-ink-soft); }
.admin-pill--warning { background: #f59e0b; }
.admin-pill--success { background: #10b981; }
.admin-pill--danger { background: #ef4444; }
.admin-pill--info { background: var(--color-primary); }

/* ===== Forms (settings panels) =========================================== */
.admin-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.admin-form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-ink);
}

.admin-form-input,
.admin-form-select,
.admin-form-textarea {
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-ink);
  background: var(--color-white);
  width: 100%;
}

.admin-form-input:focus,
.admin-form-select:focus,
.admin-form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.admin-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

/* ===== Alerts ============================================================= */
.admin-alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border-left: 4px solid transparent;
  margin-bottom: var(--space-4);
  font-size: 0.86rem;
}

.admin-alert--success {
  background: rgba(16, 185, 129, 0.08);
  border-left-color: #10b981;
  color: #047857;
}

.admin-alert--error {
  background: rgba(239, 68, 68, 0.08);
  border-left-color: #ef4444;
  color: #b91c1c;
}

.admin-alert--info {
  background: var(--color-primary-soft);
  border-left-color: var(--color-primary);
  color: var(--color-primary-dark);
}

/* ===== Buttons (admin-scoped sizing on top of base .btn) ================= */
.admin-btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
}

/* ===== Simple modal/dialog =============================================== */
.admin-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 100;
}

.admin-modal {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-raised);
  padding: var(--space-6);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.admin-modal__title {
  font-size: var(--step-h3);
  font-weight: 700;
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
}