/* ================================================================
   STAND TRACKER — iPhone PWA Stylesheet
   Murano glass jewelry stand • production tracker
   Palette: deep navy-charcoal + warm amber gold
   ================================================================ */

/* ---- DESIGN TOKENS ---- */
:root {
  /* Backgrounds */
  --bg-root: #0f1724;
  --bg-surface: #1a2332;
  --bg-surface-hover: #1f2d3d;
  --bg-surface-press: #243447;

  /* Accent */
  --accent: #d4983c;
  --accent-hover: #e5a84d;
  --accent-press: #c08730;
  --accent-soft: rgba(212, 152, 60, 0.12);

  /* Danger */
  --danger: #c44d4d;
  --danger-hover: #d45e5e;
  --danger-press: #b04040;

  /* Success / ULAZ */
  --success: #5a9e6f;
  --success-soft: rgba(90, 158, 111, 0.12);

  /* Text */
  --text-primary: #e8e4db;
  --text-secondary: #8b8478;
  --text-muted: #5c574e;
  --text-on-accent: #0f1724;

  /* Borders */
  --border: #2a3441;
  --border-light: #334155;

  /* Radii */
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-sm: 6px;
  --radius-full: 50%;

  /* Touch */
  --touch-min: 44px;

  /* Nav */
  --nav-height: 56px;

  /* Spacing */
  --pad-x: 16px;
  --gap: 12px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
  height: 100%;
}

body {
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-root);
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  -webkit-appearance: none;
  appearance: none;
  touch-action: manipulation;
}

input {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

/* ---- APP SHELL ---- */
.app-shell {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  padding-top: env(safe-area-inset-top);
  padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom));
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

/* ---- VIEW SYSTEM ---- */
.view {
  display: none;
  flex: 1;
  padding: 0 var(--pad-x);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.view--active {
  display: flex;
  flex-direction: column;
}

/* ---- HEADER ---- */
.header {
  padding: 24px 0 16px 0;
  position: relative;
  flex-shrink: 0;
}

.header__title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  line-height: 1.3;
}

#app-home .header {
  text-align: center;
}

#current-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 2px;
  font-weight: 400;
}

.header__subtitle {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---- BUTTON: BACK ---- */
.btn--back {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  padding: 0 8px 0 0;
  line-height: 1;
  border-radius: var(--radius-btn);
  transition: background 0.15s ease;
}

.btn--back:active {
  background: var(--bg-surface-press);
}

/* Headers with back button push title right */
.header:has(.btn--back) .header__title {
  padding-left: 0;
  text-align: center;
  padding-right: 0;
}

/* ---- HOME CARDS ---- */
.home-cards {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  padding: 8px 0 80px 0;
  align-content: center;
  justify-content: center;
}

.card--home {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  color: var(--text-primary);
  transition: background 0.15s ease;
  -webkit-user-select: none;
  user-select: none;
}

.card--home:hover {
  background: var(--bg-surface-hover);
}

.card--home:active {
  background: var(--bg-surface-press);
  transform: scale(0.97);
}

.home-card-icon {
  font-size: 2.5rem;
  line-height: 1;
  display: block;
}

.home-card-icon--up {
  color: var(--success);
}

.home-card-icon--down {
  color: var(--danger);
}

.home-card-label {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

/* ---- GENERIC CARDS ---- */
.card {
  background: var(--bg-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: background 0.15s ease, border-color 0.15s ease;
}

/* ---- CATEGORY CARDS ---- */
.card--category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  min-height: var(--touch-min);
  transition: background 0.15s ease;
}

.card--category:hover {
  background: var(--bg-surface-hover);
}

.card--category:active {
  background: var(--bg-surface-press);
}

.category-card-name {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
  flex: 1;
  padding-right: 8px;
}

/* ---- BADGE ---- */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 24px;
  padding: 0 8px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
}

/* ---- VARIANT CARDS ---- */
.card--variant {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  min-height: 56px;
  border-left: 3px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.card--variant:hover {
  background: var(--bg-surface-hover);
}

/* Active variant (qty > 0) — accent left border */
.card--variant[data-active="true"],
.card--variant.variant--active {
  border-left-color: var(--accent);
}

.variant-card-price {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  min-width: 60px;
}

/* ---- COUNTER ---- */
.counter {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.counter__btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  transition: background 0.1s ease, border-color 0.15s ease, color 0.15s ease;
  line-height: 1;
  -webkit-user-select: none;
  user-select: none;
}

.counter__btn:active {
  background: var(--bg-surface-press);
  border-color: var(--border-light);
}

/* Minus */
.btn--counter-minus {
  color: var(--text-muted);
}

/* Plus */
.btn--counter-plus {
  color: var(--accent);
  border-color: var(--accent);
}

.btn--counter-plus:active {
  background: var(--accent-soft);
}

.counter__val {
  min-width: 32px;
  text-align: center;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1;
  transition: transform 0.2s ease;
}

/* Counter pulse on change */
.counter__val.counter--pulse {
  animation: counter-pulse 0.2s ease;
}

@keyframes counter-pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.18);
  }
  100% {
    transform: scale(1);
  }
}

/* ---- GRID ---- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
}

/* ---- EMPTY STATE ---- */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
}

/* ---- BUTTONS (generic) ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  padding: 0 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: background 0.15s ease, transform 0.1s ease, border-color 0.15s ease;
  -webkit-user-select: none;
  user-select: none;
  line-height: 1;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

/* Primary */
.btn--primary {
  background: var(--accent);
  color: var(--text-on-accent);
  border: none;
}

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

.btn--primary:active {
  background: var(--accent-press);
}

/* Danger */
.btn--danger {
  background: var(--danger);
  color: var(--text-primary);
  border: none;
}

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

.btn--danger:active {
  background: var(--danger-press);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn--ghost:hover {
  background: var(--accent-soft);
}

.btn--ghost:active {
  background: rgba(212, 152, 60, 0.2);
}

/* Icon button */
.btn--icon {
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  padding: 0;
  width: var(--touch-min);
  height: var(--touch-min);
  border-radius: var(--radius-btn);
  background: transparent;
  color: var(--text-secondary);
}

.btn--icon:hover {
  background: var(--bg-surface-hover);
}

.btn--icon:active {
  background: var(--bg-surface-press);
}

/* ---- NAVIGATION ---- */
.nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  height: var(--nav-height);
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  z-index: 100;
  max-width: 480px;
  margin: 0 auto;
}

.nav__btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  min-height: var(--nav-height);
  transition: color 0.15s ease, background 0.15s ease;
  gap: 4px;
  -webkit-user-select: none;
  user-select: none;
  padding: 0 4px;
}

.nav__btn:active {
  background: var(--bg-surface-press);
}

.nav__btn--active {
  color: var(--accent);
}

/* Nav button pseudo-icons via ::before */
#nav-history::before {
  content: "\2630";
  font-size: 1.25rem;
  line-height: 1;
  display: inline-block;
}

#nav-admin::before {
  content: "\2699";
  font-size: 1.25rem;
  line-height: 1;
  display: inline-block;
}

#nav-share::before {
  content: "\2713";
  font-size: 1.25rem;
  line-height: 1;
  display: inline-block;
}

/* ---- HISTORY CARDS ---- */
#hist-list {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  padding: 8px 0 24px 0;
}

.card--history {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card--history:hover {
  background: var(--bg-surface-hover);
}

.card--history .history-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.card--history .history-type {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  line-height: 1.4;
}

.card--history .history-type--ulaz {
  background: var(--success-soft);
  color: var(--success);
}

.card--history .history-type--otpis {
  background: rgba(196, 77, 77, 0.12);
  color: var(--danger);
}

.card--history .history-items {
  font-size: 0.875rem;
  color: var(--text-primary);
  line-height: 1.5;
  word-break: break-word;
}

.card--history .history-total {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
}

/* ---- ADMIN VIEW ---- */
#app-admin {
  gap: var(--gap);
}

#admin-cat-list {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  padding: 4px 0 24px 0;
}

.card--admin {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--border);
}

.card--admin:hover {
  background: var(--bg-surface-hover);
}

.card--admin .admin-cat-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card--admin .admin-cat-variants {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
}

.card--admin .admin-cat-variant {
  background: var(--bg-root);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
  color: var(--accent);
  white-space: nowrap;
}

.card--admin .admin-cat-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.card--admin .admin-cat-actions .btn {
  min-height: 36px;
  font-size: 0.8125rem;
  padding: 0 14px;
}

/* ---- ADMIN FORM ---- */
.admin-form {
  background: var(--bg-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 16px;
}

.admin-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.admin-form__name {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-root);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  font-size: 0.9375rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s ease;
}

.admin-form__name:focus {
  border-color: var(--accent);
}

.admin-form__name::placeholder {
  color: var(--text-muted);
}

.admin-variant-rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-variant-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-variant-row__price {
  flex: 1;
  padding: 8px 12px;
  background: var(--bg-root);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  font-size: 0.9375rem;
  color: var(--text-primary);
  outline: none;
  min-width: 0;
  transition: border-color 0.15s ease;
}

.admin-variant-row__price:focus {
  border-color: var(--accent);
}

.admin-variant-row__price::placeholder {
  color: var(--text-muted);
}

.admin-variant-row__remove {
  flex-shrink: 0;
}

.admin-form__add-variant {
  align-self: flex-start;
  font-size: 0.8125rem;
  font-weight: 500;
}

.admin-form__actions {
  display: flex;
  gap: 8px;
  padding-top: 4px;
}

.admin-form__actions .btn {
  flex: 1;
}

/* ---- #admin-add-cat-btn ---- */
#admin-add-cat-btn {
  align-self: stretch;
}

/* ---- CATEGORY / VARIANT ADD BUTTONS (bottom of view) ---- */
#cat-add-btn,
#var-add-btn {
  margin: 12px 0 24px 0;
  align-self: stretch;
}

/* ---- SCROLL AREAS (content above nav) ---- */
#app-categories,
#app-history,
#app-admin {
  padding-top: 0;
}

#cat-grid,
#var-grid {
  padding: 4px 0 16px 0;
}

#var-grid {
  gap: var(--gap);
}

/* ---- RESPONSIVE ---- */
@media screen and (min-width: 481px) {
  body {
    display: flex;
    justify-content: center;
    background: #0a1019;
  }

  .app-shell {
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
  }

  .nav {
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
  }
}

@media screen and (max-width: 359px) {
  :root {
    --pad-x: 12px;
    --gap: 8px;
  }

  .home-card-icon {
    font-size: 2rem;
  }

  .home-card-label {
    font-size: 1.25rem;
  }

  .counter__btn {
    width: 32px;
    height: 32px;
  }

  .counter__val {
    min-width: 24px;
  }
}

/* ================================================================
   UTILITY: Support for app-shell wrapping by JS.
   If JS wraps views in <div class="app-shell">, these still work.
   If no wrapper, body acts as the shell.
   ================================================================ */