/* styles.css — Estoque da Loja KMNO
 * Mobile-first. Vendedor usa no celular: alvos de toque grandes, texto legível,
 * topo e busca fixos (sticky) para não perder contexto ao rolar a lista.
 */

:root {
  --color-bg: #f4f6f5;
  --color-surface: #ffffff;
  --color-text: #1a1f1c;
  --color-text-muted: #5b6560;
  --color-border: #dfe4e1;

  --color-primary: #0b5d3b;
  --color-primary-dark: #084a2f;
  --color-primary-contrast: #ffffff;

  --color-green: #1a7f37;
  --color-green-bg: #e3f5e9;
  --color-green-border: #b7e4c7;

  --color-neutral-bg: #eceeec;
  --color-neutral-text: #4b524e;
  --color-neutral-border: #d7dbd8;

  --color-danger: #b42318;
  --color-danger-bg: #fdecea;
  --color-danger-border: #f3b8b3;

  --color-warning-bg: #c81e1e;
  --color-warning-text: #ffffff;

  --topbar-height: 56px;
  --radius: 10px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #12140f;
    --color-surface: #1c1f1a;
    --color-text: #f1f3f0;
    --color-text-muted: #a9b2ac;
    --color-border: #33382f;

    --color-primary: #22a06b;
    --color-primary-dark: #1a7d54;
    --color-primary-contrast: #ffffff;

    --color-green: #3fbf72;
    --color-green-bg: #16321f;
    --color-green-border: #2b5b3a;

    --color-neutral-bg: #26291f;
    --color-neutral-text: #c7ccc5;
    --color-neutral-border: #3a3f33;

    --color-danger: #ff8a80;
    --color-danger-bg: #3a1f1c;
    --color-danger-border: #6b332c;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.6);
  }
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-text-size-adjust: 100%;
}

a {
  color: inherit;
}

button {
  font-family: inherit;
}

/* ---------- Top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--topbar-height);
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  box-shadow: var(--shadow-sm);
}

.topbar-inner {
  height: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.topbar-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-brand {
  font-weight: 800;
  opacity: 0.9;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  max-width: 90px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: none;
}

@media (min-width: 480px) {
  .user-name {
    display: inline-block;
    max-width: 160px;
  }
}

.logout-form {
  margin: 0;
  display: inline;
}

/* ---------- Content wrapper ---------- */

.content {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px 12px 40px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 16px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

.btn:active {
  opacity: 0.8;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

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

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: currentColor;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.22);
}

.btn-ok {
  background: var(--color-green-bg);
  color: var(--color-green);
  border-color: var(--color-green-border);
}

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

.btn-small {
  min-height: 36px;
  padding: 0 12px;
  font-size: 13px;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ---------- Cards / forms ---------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 20px;
}

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-muted);
  margin: 14px 0 6px;
}

.field-label:first-of-type {
  margin-top: 0;
}

.field-input {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  appearance: none;
  -webkit-appearance: none;
}

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

.field-input-small {
  min-height: 40px;
  font-size: 14px;
}

select.field-input {
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

/* ---------- Alerts ---------- */

.alert {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 14px;
}

.alert-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid var(--color-danger-border);
}

.alert-success {
  background: var(--color-green-bg);
  color: var(--color-green);
  border: 1px solid var(--color-green-border);
}

/* ---------- Login page ---------- */

.login-wrap {
  min-height: calc(100vh - var(--topbar-height) - 40px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 0;
}

.login-card {
  width: 100%;
  max-width: 360px;
}

.login-title {
  margin: 0 0 2px;
  font-size: 22px;
}

.login-sub {
  margin: 0 0 8px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.login-form {
  margin-top: 8px;
}

/* ---------- Status banner ---------- */

.status-banner {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 10px;
  box-shadow: var(--shadow-sm);
}

.status-line {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
}

.stale-bar {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  font-weight: 700;
  font-size: 14px;
  padding: 12px 14px;
  border-radius: var(--radius);
  margin-bottom: 10px;
}

.stale-bar[hidden] {
  display: none;
}

/* ---------- Toolbar (busca) ---------- */

.toolbar {
  position: sticky;
  top: var(--topbar-height);
  z-index: 40;
  background: var(--color-bg);
  padding: 8px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.search-input {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.search-input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.result-count {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-muted);
  padding: 0 2px;
}

/* ---------- Tabela de estoque ---------- */

.table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: var(--color-neutral-bg);
}

th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
}

td {
  padding: 12px;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  vertical-align: middle;
}

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

.col-num, .cell-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.cell-sku {
  font-weight: 700;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 13px;
}

.cell-desc {
  color: var(--color-text);
}

.empty-state, .empty-row {
  text-align: center;
  color: var(--color-text-muted);
  padding: 28px 16px;
  font-size: 14px;
}

/* Badges de situação (estoque) e status (usuário) */

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.badge-ok {
  background: var(--color-green-bg);
  color: var(--color-green);
  border: 1px solid var(--color-green-border);
}

.badge-off {
  background: var(--color-neutral-bg);
  color: var(--color-neutral-text);
  border: 1px solid var(--color-neutral-border);
}

.tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.tag-admin {
  background: #fff2d9;
  color: #8a5a00;
  border: 1px solid #f0d59a;
}

.tag-vendedor {
  background: var(--color-neutral-bg);
  color: var(--color-neutral-text);
  border: 1px solid var(--color-neutral-border);
}

@media (prefers-color-scheme: dark) {
  .tag-admin {
    background: #3a2f0f;
    color: #f2c96b;
    border-color: #5c4a1c;
  }
}

/* Mobile: tabela vira "cartões" empilhados (thead escondido) */

@media (max-width: 640px) {
  .stock-table thead,
  .users-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .stock-table tbody tr,
  .users-table tbody tr {
    display: block;
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
  }

  .stock-table td,
  .users-table td {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0;
    border-bottom: none;
    font-size: 14px;
  }

  .stock-table td::before,
  .users-table td::before {
    content: attr(data-label);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
    flex-shrink: 0;
  }

  .cell-desc {
    text-align: right;
  }

  .empty-row {
    display: block;
  }
}

/* ---------- Admin: gestão de usuários ---------- */

.admin-section {
  margin-bottom: 24px;
}

.section-title {
  font-size: 15px;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--color-text);
}

.form-card {
  max-width: 420px;
}

.actions-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

@media (max-width: 640px) {
  .actions-cell {
    justify-content: flex-start;
  }
}

.inline-form {
  margin: 0;
  display: inline-flex;
}

.reset-details {
  position: relative;
}

.reset-details summary {
  list-style: none;
  cursor: pointer;
}

.reset-details summary::-webkit-details-marker {
  display: none;
}

.reset-details[open] summary {
  margin-bottom: 6px;
}

.reset-form {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.cell-username {
  font-weight: 700;
}

.cell-data {
  color: var(--color-text-muted);
  font-size: 13px;
}