/* =====================================================================
   FARMDIARY WEB — design tokens
   Chu dao: cong cu dung ngoai dong, uu tien ro rang/de bam hon hoa my.
   Khong dung web font ngoai — toc do tai la uu tien voi mang nong thon.
   ===================================================================== */

:root {
  --color-primary:      #14432A; /* xanh la dam - la cay, chu dao thuong hieu */
  --color-primary-dark: #0C2E1C;
  --color-accent:       #D9A441; /* vang lua chin - nhan hanh dong chinh */
  --color-accent-dark:  #B9862F;
  --color-warning:      #C2542D; /* dat nung - qua han / canh bao */
  --color-success:      #4F7A5B; /* xanh la sang - da hoan thanh */
  --color-bg:           #FAF7F0; /* nen giay nga, do choi ngoai nang */
  --color-surface:      #FFFFFF;
  --color-text:         #1F2A22;
  --color-text-muted:   #5C6B60;
  --color-border:       #E3DCC9;

  --radius-sm: 8px;
  --radius-md: 14px;
  --shadow-card: 0 1px 3px rgba(20, 67, 42, 0.08), 0 1px 2px rgba(20, 67, 42, 0.06);
  --shadow-card-hover: 0 4px 10px rgba(20, 67, 42, 0.12), 0 2px 4px rgba(20, 67, 42, 0.08);
  --transition-fast: 120ms ease;
  --transition-base: 180ms ease;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Tat hoat anh cho nguoi dung bat "giam chuyen dong" trong he dieu hanh */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 4px; }

/* ---------- App shell ---------- */

.app-shell {
  max-width: 720px;
  margin: 0 auto;
  min-height: 100vh;
  padding-bottom: 84px; /* chua cho bottom nav */
  position: relative;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--color-primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.2px;
}

.topbar__org {
  font-size: 12px;
  color: rgba(255,255,255,0.75);
  font-weight: 400;
}

.topbar__right { display: flex; align-items: center; gap: 12px; }

.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
}

.page-header {
  padding: 20px 16px 8px;
}

.page-header__eyebrow {
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--color-accent-dark);
}

.page-header__title {
  font-size: 22px;
  font-weight: 700;
  margin: 4px 0 2px;
  color: var(--color-primary-dark);
}

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

.page-body { padding: 8px 16px 24px; }

/* ---------- Bottom nav (5 vi tri theo dung cam nang) ---------- */

.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
  z-index: 20;
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  color: var(--color-text-muted);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  flex: 1;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.bottom-nav__item:hover { background: rgba(20, 67, 42, 0.05); }
.bottom-nav__item:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 1px; }

.bottom-nav__item.is-active { color: var(--color-primary); font-weight: 700; }
.bottom-nav__item svg { width: 22px; height: 22px; }

.bottom-nav__fab {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  margin-top: -26px;
  box-shadow: var(--shadow-card);
  color: var(--color-primary-dark);
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.bottom-nav__fab:hover { background: var(--color-accent-dark); }
.bottom-nav__fab:active { transform: scale(0.94); }
.bottom-nav__fab:focus-visible { outline: 2px solid var(--color-primary-dark); outline-offset: 2px; }
.bottom-nav__fab svg { width: 24px; height: 24px; }

/* ---------- Cards & "phieu ghi viec" (signature element) ---------- */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 16px;
  margin-bottom: 12px;
}

/* The ticket = signature motif: rang cua 2 dau nhu phieu xe ra tu so tay */
.ticket {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin-bottom: 14px;
  overflow: hidden;
  border-left: 4px solid var(--color-primary);
  transition: box-shadow var(--transition-base), transform var(--transition-fast);
}
.ticket:hover { box-shadow: var(--shadow-card-hover); }
.ticket:active { transform: scale(0.995); }
.ticket.is-overdue { border-left-color: var(--color-warning); }
.ticket.is-done { border-left-color: var(--color-success); opacity: 0.75; }

.ticket__row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
}
.ticket__row:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}

.ticket__date {
  flex-shrink: 0;
  width: 46px;
  text-align: center;
  border-right: 1px dashed var(--color-border);
  padding-right: 10px;
}
.ticket__date-day { font-size: 18px; font-weight: 700; color: var(--color-primary-dark); line-height: 1; }
.ticket__date-month { font-size: 10px; color: var(--color-text-muted); text-transform: uppercase; }

.ticket__title { font-size: 14.5px; font-weight: 600; margin: 0 0 3px; }
.ticket__meta { font-size: 12px; color: var(--color-text-muted); }

.badge {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge--overdue { background: #FBE7DE; color: var(--color-warning); }
.badge--today { background: #EAF1EC; color: var(--color-primary); }
.badge--week { background: #F5EEDB; color: var(--color-accent-dark); }
.badge--done { background: #E7F0E9; color: var(--color-success); }

/* ---------- Forms & buttons ---------- */

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 5px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.field input:hover, .field select:hover, .field textarea:hover {
  border-color: var(--color-text-muted);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(20, 67, 42, 0.15);
}
.field input:disabled, .field select:disabled, .field textarea:disabled {
  background: #F2EFE6;
  color: var(--color-text-muted);
  cursor: not-allowed;
}
.field-error { font-size: 12px; color: var(--color-warning); margin-top: 4px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  width: 100%;
  font-family: inherit;
  transition: background var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
}
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 2px solid var(--color-primary-dark); outline-offset: 2px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover:not(:disabled) { background: var(--color-primary-dark); }

.btn--accent { background: var(--color-accent); color: var(--color-primary-dark); }
.btn--accent:hover:not(:disabled) { background: var(--color-accent-dark); color: #fff; }

.btn--outline { background: transparent; border: 1.5px solid var(--color-primary); color: var(--color-primary); }
.btn--outline:hover:not(:disabled) { background: rgba(20, 67, 42, 0.06); }

/* Spinner nho de dung trong nut khi dang gui form (vd luu nhat ky) */
.btn__spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btn-spin 0.7s linear infinite;
}
@keyframes btn-spin { to { transform: rotate(360deg); } }

.alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 14px;
}
.alert--error { background: #FBE7DE; color: var(--color-warning); }
.alert--success { background: #E7F0E9; color: var(--color-success); }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-muted);
  font-size: 13.5px;
}

.tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  overflow-x: auto;
}
.tabs a {
  flex-shrink: 0;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.tabs a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.tabs a.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ---------- Skeleton loading (khi mo lai app tu cache, cho du lieu ve) ---------- */

.skeleton {
  background: linear-gradient(90deg, #EFEAD9 25%, #F5F1E4 37%, #EFEAD9 63%);
  background-size: 400% 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

/* ---------- Toast (thong bao ngan, vd "Da dong bo 3 ban ghi") ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 90px;
  transform: translateX(-50%);
  background: var(--color-primary-dark);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow-card-hover);
  z-index: 30;
  animation: toast-in var(--transition-base);
}
@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

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

.login-screen {
  min-height: 100vh;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-box {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  width: 100%;
  max-width: 360px;
}
.login-brand {
  text-align: center;
  color: #fff;
  margin-bottom: 24px;
}
.login-brand__title { font-size: 24px; font-weight: 800; margin: 8px 0 2px; }
.login-brand__subtitle { font-size: 13px; color: rgba(255,255,255,0.75); }

@media (max-width: 380px) {
  .page-header__title { font-size: 19px; }
}

/* =====================================================================
   ADMIN — sidebar layout (desktop-first, khac han bottom-nav ben farmer)
   ===================================================================== */

.admin-shell {
  display: flex;
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
}

.admin-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 20px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.admin-sidebar__brand {
  font-weight: 800;
  font-size: 15px;
  padding: 0 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 12px;
}
.admin-sidebar__brand span { display: block; font-weight: 400; font-size: 11px; color: rgba(255,255,255,0.6); margin-top: 2px; }

.admin-nav__group-label {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: rgba(255,255,255,0.5);
  padding: 14px 20px 6px;
}

.admin-nav__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.admin-nav__item:hover { background: rgba(255,255,255,0.08); color: #fff; }
.admin-nav__item.is-active {
  background: rgba(255,255,255,0.14);
  color: #fff;
  font-weight: 700;
  border-right: 3px solid var(--color-accent);
}
.admin-nav__item svg { width: 17px; height: 17px; flex-shrink: 0; }

.admin-main {
  flex: 1;
  min-width: 0;
  padding: 24px 28px 60px;
}

.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.admin-topbar__back {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* Bang du lieu quan tri */
.admin-table-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  overflow-x: auto;
}
.admin-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 480px; }
.admin-table th {
  text-align: left;
  padding: 12px 16px;
  background: #F2EEE0;
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  white-space: nowrap;
}
.admin-table td {
  padding: 12px 16px;
  border-top: 1px solid var(--color-border);
  vertical-align: middle;
}
.admin-table tr:hover td { background: #FCFAF3; }
.admin-table__actions { display: flex; gap: 6px; white-space: nowrap; }
.admin-table__actions a, .admin-table__actions button {
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #fff;
  cursor: pointer;
  color: var(--color-text);
}
.admin-table__actions a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.admin-table__actions .is-danger:hover { border-color: var(--color-warning); color: var(--color-warning); }

.admin-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.admin-stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 16px;
}
.admin-stat-card__value { font-size: 26px; font-weight: 800; color: var(--color-primary-dark); }
.admin-stat-card__label { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }

.admin-quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.admin-quick-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 16px;
  transition: box-shadow var(--transition-base), transform var(--transition-fast);
}
.admin-quick-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-1px); }
.admin-quick-card__title { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.admin-quick-card__desc { font-size: 12.5px; color: var(--color-text-muted); }

.admin-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 640px) { .admin-form-grid { grid-template-columns: 1fr; } }

@media (max-width: 860px) {
  .admin-shell { flex-direction: column; }
  .admin-sidebar { width: 100%; height: auto; position: static; display: flex; overflow-x: auto; padding: 10px 0; }
  .admin-sidebar__brand { display: none; }
  .admin-nav__group-label { display: none; }
  .admin-nav__item { padding: 8px 14px; white-space: nowrap; }
  .admin-nav__item.is-active { border-right: none; border-bottom: 3px solid var(--color-accent); }
  .admin-main { padding: 16px; }
}