@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500&family=Fira+Sans:wght@400;500;600;700&display=swap');

/* ===== Design tokens (Data-Dense Dashboard) ===== */

:root {
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-on-primary: #FFFFFF;
  --color-accent: #059669;
  --color-background: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-surface-2: #F1F5FD;
  --color-foreground: #0F172A;
  --color-muted-fg: #5B6B82;
  --color-border: #E4ECFC;
  --color-border-strong: #C9D8F5;
  --color-destructive: #DC2626;
  --color-destructive-bg: #FEF2F2;
  --color-success-bg: #ECFDF5;
  --color-ring: #2563EB;
  --color-row-hover: #F4F7FE;
  --color-scrim: rgba(15, 23, 42, 0.5);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --font-ui: 'Fira Sans', system-ui, -apple-system, sans-serif;
  --font-data: 'Fira Code', ui-monospace, monospace;
  --dur-fast: 150ms;
  --dur-base: 220ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-primary: #3B82F6;
  --color-primary-hover: #60A5FA;
  --color-on-primary: #0B1220;
  --color-accent: #34D399;
  --color-background: #0B1220;
  --color-surface: #111A2C;
  --color-surface-2: #16213A;
  --color-foreground: #E6EDF7;
  --color-muted-fg: #93A4BD;
  --color-border: #21304C;
  --color-border-strong: #31446B;
  --color-destructive: #F87171;
  --color-destructive-bg: #2A1720;
  --color-success-bg: #10281F;
  --color-ring: #60A5FA;
  --color-row-hover: #16213A;
  --color-scrim: rgba(2, 6, 16, 0.65);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* ===== Base ===== */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-ui);
  font-size: 16px;
  background: var(--color-background);
  color: var(--color-foreground);
}

button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }

.hidden { display: none !important; }

.icon { width: 18px; height: 18px; flex: none; pointer-events: none; }
.icon-lg { width: 26px; height: 26px; }
.icon-xl { width: 44px; height: 44px; }

:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== Buttons ===== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 40px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); }

.btn-outline {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  color: var(--color-foreground);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-danger {
  background: var(--color-destructive);
  color: #fff;
}
.btn-danger:hover { filter: brightness(1.1); }

.btn-block { width: 100%; }

.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-muted-fg);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.icon-btn:hover { background: var(--color-surface-2); color: var(--color-foreground); }
.icon-btn[disabled] { opacity: 0.4; cursor: not-allowed; }

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Login ===== */

.login-view {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  padding: var(--space-5);
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(37, 99, 235, 0.10), transparent 70%),
    radial-gradient(500px 300px at 90% 100%, rgba(5, 150, 105, 0.08), transparent 70%),
    var(--color-background);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  animation: rise var(--dur-base) var(--ease-out);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.login-brand { text-align: center; margin-bottom: var(--space-5); }

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.login-brand h1 { margin: var(--space-3) 0 var(--space-1); font-size: 22px; }
.login-brand p { margin: 0; color: var(--color-muted-fg); font-size: 14px; }

.field { margin-bottom: var(--space-4); }

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.field input {
  width: 100%;
  min-height: 44px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: 15px;
  background: var(--color-surface);
  color: var(--color-foreground);
  transition: border-color var(--dur-fast) var(--ease-out);
}

.field input:focus { outline: 2px solid var(--color-ring); outline-offset: -1px; border-color: transparent; }

.password-wrap { position: relative; }
.password-wrap input { padding-right: 48px; }
.password-wrap .icon-btn { position: absolute; right: 2px; top: 50%; transform: translateY(-50%); }

.alert {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: var(--space-4);
}

.alert-error {
  background: var(--color-destructive-bg);
  color: var(--color-destructive);
  border: 1px solid color-mix(in srgb, var(--color-destructive) 30%, transparent);
}

.login-footer { color: var(--color-muted-fg); font-size: 12px; margin: 0; }

/* ===== App shell ===== */

.app-view { display: flex; min-height: 100dvh; }

.sidebar {
  width: 248px;
  flex: none;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  height: 100dvh;
  z-index: 40;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-brand .brand-mark { width: 34px; height: 34px; }
.brand-name { font-weight: 700; font-size: 15px; }

.nav { flex: 1; overflow-y: auto; padding: var(--space-3) var(--space-2); }

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  min-height: 44px;
  padding: 0 var(--space-3);
  margin-bottom: 2px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-muted-fg);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.nav-item:hover { background: var(--color-surface-2); color: var(--color-foreground); }

.nav-item.active {
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
}

.nav-item .nav-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.nav-count {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--color-muted-fg);
  background: var(--color-surface-2);
  border-radius: 999px;
  padding: 2px 8px;
}

.nav-item.active .nav-count {
  background: color-mix(in srgb, var(--color-primary) 16%, transparent);
  color: var(--color-primary);
}

.sidebar-footer { border-top: 1px solid var(--color-border); padding: var(--space-3); }

.user-chip { display: flex; align-items: center; gap: var(--space-2); }

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex: none;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-accent) 18%, transparent);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
}

.user-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.user-name { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-role { font-size: 11px; color: var(--color-muted-fg); text-transform: capitalize; }

/* ===== Main column ===== */

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 30;
}

.menu-btn { display: none; }

.page-heading { flex: 1; min-width: 0; }
.page-heading h2 { margin: 0; font-size: 18px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.page-subtitle { margin: 0; font-size: 12px; color: var(--color-muted-fg); }

.topbar-actions { display: flex; align-items: center; gap: var(--space-2); }

[data-theme="dark"] .theme-icon-dark { display: none; }
:root:not([data-theme="dark"]) .theme-icon-light { display: none; }

/* ===== Content / toolbar ===== */

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  min-height: 0;
}

.toolbar { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: min(380px, 100%);
}

.search-icon {
  position: absolute;
  left: var(--space-3);
  color: var(--color-muted-fg);
}

.search-wrap input {
  width: 100%;
  min-height: 42px;
  padding: 0 44px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-size: 14px;
  background: var(--color-surface);
  color: var(--color-foreground);
}

.search-wrap input:focus { outline: 2px solid var(--color-ring); outline-offset: -1px; border-color: transparent; }
.search-wrap input::-webkit-search-cancel-button { display: none; }

.search-wrap .icon-btn { position: absolute; right: 2px; width: 36px; height: 36px; }

.row-info { font-size: 13px; color: var(--color-muted-fg); }

/* ===== Table card ===== */

.table-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  animation: fadein var(--dur-base) var(--ease-out);
}

@keyframes fadein {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

.table-scroll { flex: 1; overflow: auto; min-height: 240px; }

#grid { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 13.5px; }

#grid th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--color-surface);
  color: var(--color-muted-fg);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-strong);
  white-space: nowrap;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
}

#grid th.col-unnamed { color: color-mix(in srgb, var(--color-muted-fg) 45%, transparent); font-style: italic; text-transform: none; }

#grid td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#grid tbody tr:last-child td { border-bottom: none; }

#grid tbody tr {
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
#grid tbody tr:hover { background: var(--color-row-hover); }
#grid tbody tr:focus-visible { outline: 2px solid var(--color-ring); outline-offset: -2px; }

#grid td:first-child { font-weight: 500; }

#grid mark {
  background: color-mix(in srgb, var(--color-primary) 22%, transparent);
  color: inherit;
  border-radius: 3px;
  padding: 0 1px;
}

#grid td.row-actions { cursor: default; width: 52px; text-align: center; padding: 2px; }
#grid th.h-actions { width: 52px; }

/* value pills for repetitive/categorical columns */

.pill {
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
}

.pill-green { background: color-mix(in srgb, var(--color-accent) 14%, transparent); color: var(--color-accent); }
.pill-red { background: color-mix(in srgb, var(--color-destructive) 12%, transparent); color: var(--color-destructive); }
.pill-amber { background: color-mix(in srgb, #D97706 14%, transparent); color: #B45309; }
[data-theme="dark"] .pill-amber { color: #FBBF24; }
.pill-neutral { background: var(--color-surface-2); color: var(--color-muted-fg); }

.row-del {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-muted-fg);
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

#grid tbody tr:hover .row-del, .row-del:focus-visible { opacity: 1; }
.row-del:hover { background: var(--color-destructive-bg); color: var(--color-destructive); }

@media (hover: none) { .row-del { opacity: 1; } }

/* skeleton loading */

.skeleton-cell {
  height: 12px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--color-surface-2) 25%, var(--color-border) 50%, var(--color-surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite linear;
}

@keyframes shimmer { to { background-position: -200% 0; } }

/* empty states */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-6);
  color: var(--color-muted-fg);
  text-align: center;
}

.empty-state h3 { margin: var(--space-2) 0 0; color: var(--color-foreground); font-size: 16px; }
.empty-state p { margin: 0 0 var(--space-3); font-size: 14px; }

/* footer / pagination */

.table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 13px;
  color: var(--color-muted-fg);
}

#page-summary { font-family: var(--font-data); font-size: 12px; }

.pager { display: flex; align-items: center; gap: var(--space-2); }
#page-info { font-family: var(--font-data); font-size: 12px; min-width: 90px; text-align: center; }

/* ===== Modal ===== */

.modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal-scrim { position: absolute; inset: 0; background: var(--color-scrim); }

.modal-card {
  position: relative;
  width: min(400px, calc(100vw - 40px));
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-5);
  animation: rise var(--dur-base) var(--ease-out);
}

.modal-card h3 { margin: 0 0 var(--space-2); font-size: 17px; }
.modal-card p { margin: 0 0 var(--space-5); color: var(--color-muted-fg); font-size: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: var(--space-2); }

/* ===== Record drawer ===== */

.drawer-wrap { position: fixed; inset: 0; z-index: 90; }

.drawer {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(440px, 100vw);
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  transform: translateX(100%);
  transition: transform var(--dur-base) var(--ease-out);
}

.drawer.open { transform: none; }

.drawer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.drawer-head h3 { margin: 0; font-size: 17px; }

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-5);
}

.dfield { margin-bottom: var(--space-4); }

.dfield label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-muted-fg);
  margin-bottom: var(--space-1);
}

.dfield label.col-unnamed { font-style: italic; font-weight: 400; }

.dfield input,
.dfield select,
.dfield textarea {
  width: 100%;
  min-height: 40px;
  padding: 8px var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  background: var(--color-surface);
  color: var(--color-foreground);
}

.dfield textarea { resize: vertical; }

.dfield input:focus,
.dfield select:focus,
.dfield textarea:focus {
  outline: 2px solid var(--color-ring);
  outline-offset: -1px;
  border-color: transparent;
}

/* add-option panel inside a dropdown field */

.dselect-wrap { display: flex; flex-direction: column; gap: var(--space-2); }

.opt-add {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.opt-add-row { display: flex; gap: var(--space-2); }
.opt-add-row input { flex: 1; min-height: 36px; }

.btn-sm { min-height: 36px; padding: 0 var(--space-3); font-size: 13px; }

.opt-chips { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-1); }
.opt-chips:empty { display: none; }

.opt-chips-label { font-size: 11px; color: var(--color-muted-fg); margin-right: var(--space-1); }

.opt-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  padding: 2px 4px 2px 10px;
  font-size: 12px;
}

.opt-chip-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--color-muted-fg);
  cursor: pointer;
}

.opt-chip-x:hover { background: var(--color-destructive-bg); color: var(--color-destructive); }

.icon-xs { width: 12px; height: 12px; }

.drawer-foot {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
}

.drawer-foot-spacer { flex: 1; }

.btn-danger-outline { color: var(--color-destructive); border-color: color-mix(in srgb, var(--color-destructive) 35%, transparent); }
.btn-danger-outline:hover { background: var(--color-destructive-bg); border-color: var(--color-destructive); color: var(--color-destructive); }

/* ===== Toasts ===== */

.toasts {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 240px;
  max-width: 360px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-foreground);
  color: var(--color-background);
  font-size: 14px;
  box-shadow: var(--shadow-md);
  animation: rise var(--dur-base) var(--ease-out);
}

.toast .icon { color: var(--color-accent); }
.toast.error .icon { color: #FCA5A5; }

/* ===== Scrim / responsive ===== */

.scrim { position: fixed; inset: 0; z-index: 39; background: var(--color-scrim); }

@media (max-width: 1023px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-100%);
    transition: transform var(--dur-base) var(--ease-out);
    box-shadow: var(--shadow-md);
  }
  .sidebar.open { transform: none; }
  .menu-btn { display: inline-flex; }
  .content { padding: var(--space-3); }
  .topbar { padding: var(--space-2) var(--space-3); }
}

@media (max-width: 640px) {
  .topbar-actions .btn span { display: none; }
  .topbar-actions .btn { padding: 0 var(--space-3); }
}