/* ============================================================
   Fowler USD Transportation — style.css
   Clean, minimal, professional
   ============================================================ */

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

:root {
  --c-navy:       #1a3a5c;
  --c-navy-light: #234e7a;
  --c-blue:       #2563eb;
  --c-blue-soft:  #eff6ff;
  --c-green:      #15803d;
  --c-green-soft: #f0fdf4;
  --c-amber:      #d97706;
  --c-amber-soft: #fffbeb;
  --c-red:        #dc2626;
  --c-red-soft:   #fef2f2;
  --c-gray-50:    #f9fafb;
  --c-gray-100:   #f3f4f6;
  --c-gray-200:   #e5e7eb;
  --c-gray-300:   #d1d5db;
  --c-gray-400:   #6b7280;
  --c-gray-500:   #6b7280;
  --c-gray-700:   #374151;
  --c-gray-900:   #111827;
  --radius-sm:    6px;
  --radius-md:    8px;
  --radius-lg:    12px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08);
  --shadow-md:    0 4px 12px rgba(0,0,0,.08);
  --font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  font-family: var(--font);
  font-size: 14px;
  color: var(--c-gray-900);
  background: var(--c-gray-50);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--c-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* -------------------------------------------------------
   Layout
------------------------------------------------------- */
.site-main   { flex: 1; padding: 32px 0; }
.container   { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 760px; }

/* -------------------------------------------------------
   Header
------------------------------------------------------- */
.site-header {
  background: var(--c-navy);
  border-bottom: 1px solid rgba(255,255,255,.08);
  position: sticky; top: 0; z-index: 100;
}
.site-header__inner {
  max-width: 1240px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 16px;
  height: 56px;
}
.site-logo {
  display: flex; align-items: center; gap: 8px;
  color: #fff; font-weight: 600; font-size: 14px;
  white-space: nowrap; flex-shrink: 0;
  text-decoration: none;
}
.site-logo svg { color: #7dd3fc; }

.site-nav { display: flex; align-items: center; gap: 2px; flex: 1; }
.site-nav__link {
  color: rgba(255,255,255,.88); font-size: 13px; padding: 6px 10px;
  border-radius: var(--radius-sm); white-space: nowrap;
  text-decoration: none; transition: background .15s, color .15s;
}
.site-nav__link:hover, .site-nav__link.active {
  background: rgba(255,255,255,.1); color: #fff; text-decoration: none;
}

.site-header__user {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.user-name { color: rgba(255,255,255,.85); font-size: 13px; }

.btn-link {
  color: rgba(255,255,255,.9); font-size: 12px;
  padding: 4px 10px; border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm); transition: all .15s; text-decoration: none;
}
.btn-link:hover { background: rgba(255,255,255,.1); color: #fff; text-decoration: none; }

/* -------------------------------------------------------
   Footer
------------------------------------------------------- */
.site-footer {
  background: var(--c-navy); border-top: 1px solid rgba(255,255,255,.08);
  padding: 16px 0; margin-top: auto;
}
.site-footer p { font-size: 12px; color: rgba(255,255,255,.8); text-align: center; }

/* -------------------------------------------------------
   Page heading
------------------------------------------------------- */
.page-title { font-size: 22px; font-weight: 600; color: var(--c-gray-900); margin-bottom: 4px; }
.page-sub   { font-size: 13px; color: var(--c-gray-500); margin-bottom: 28px; }
.page-head  { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; gap: 16px; flex-wrap: wrap; }

/* -------------------------------------------------------
   Cards
------------------------------------------------------- */
.card {
  background: #fff; border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg); padding: 24px;
  box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: 16px; }
.card__title {
  font-size: 13px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .05em; color: var(--c-gray-500);
  margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 1px solid var(--c-gray-100);
}

/* -------------------------------------------------------
   Buttons
------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-md);
  font-size: 13px; font-weight: 500; cursor: pointer;
  border: 1px solid transparent; transition: all .15s;
  text-decoration: none; white-space: nowrap;
}
.btn--primary  { background: var(--c-navy); color: #fff; border-color: var(--c-navy); }
.btn--primary:hover { background: var(--c-navy-light); text-decoration: none; color: #fff; }
.btn--success  { background: var(--c-green); color: #fff; border-color: var(--c-green); }
.btn--success:hover { background: #166534; text-decoration: none; color: #fff; }
.btn--danger   { background: var(--c-red); color: #fff; border-color: var(--c-red); }
.btn--danger:hover  { background: #b91c1c; text-decoration: none; color: #fff; }
.btn--outline  { background: #fff; color: var(--c-gray-700); border-color: var(--c-gray-300); }
.btn--outline:hover { background: var(--c-gray-50); text-decoration: none; }
.btn--sm { padding: 5px 11px; font-size: 12px; }

/* -------------------------------------------------------
   Badges
------------------------------------------------------- */
.badge {
  display: inline-block; font-size: 12px; font-weight: 600;
  padding: 2px 8px; border-radius: 99px;
}
.badge--gray   { background: var(--c-gray-100); color: var(--c-gray-700); }
.badge--blue   { background: var(--c-blue-soft); color: #1d4ed8; }
.badge--green  { background: var(--c-green-soft); color: #15803d; }
.badge--amber  { background: var(--c-amber-soft); color: #92400e; }
.badge--red    { background: var(--c-red-soft); color: #991b1b; }

.role-pill { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 99px; }
.role-pill--staff          { background: var(--c-blue-soft); color: #1d4ed8; }
.role-pill--principal      { background: var(--c-amber-soft); color: #92400e; }
.role-pill--budget         { background: var(--c-amber-soft); color: #92400e; }
.role-pill--transportation { background: var(--c-green-soft); color: #15803d; }
.role-pill--admin          { background: #f3e8ff; color: #6b21a8; }

/* -------------------------------------------------------
   Alerts
------------------------------------------------------- */
.alert {
  padding: 12px 16px; border-radius: var(--radius-md);
  font-size: 13px; margin-bottom: 20px; border: 1px solid transparent;
}
.alert--success { background: var(--c-green-soft); color: #15803d; border-color: #bbf7d0; }
.alert--error   { background: var(--c-red-soft); color: #991b1b; border-color: #fecaca; }
.alert--info    { background: var(--c-blue-soft); color: #1d4ed8; border-color: #bfdbfe; }
.alert--warning { background: var(--c-amber-soft); color: #92400e; border-color: #fde68a; }

/* -------------------------------------------------------
   Forms
------------------------------------------------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid--3 { grid-template-columns: 1fr 1fr 1fr; }
.form-full { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label {
  font-size: 12px; font-weight: 600; color: var(--c-gray-700);
  text-transform: uppercase; letter-spacing: .04em;
}
.form-group label .req { color: var(--c-red); margin-left: 2px; }

input:not([type]), input[type=text], input[type=email], input[type=password],
input[type=date], input[type=time], input[type=datetime-local], input[type=month],
input[type=number], input[type=tel], input[type=url], input[type=search],
select, textarea {
  width: 100%; padding: 8px 11px; font-size: 13px; font-family: var(--font);
  border: 1px solid var(--c-gray-300); border-radius: var(--radius-md);
  background: #fff; color: var(--c-gray-900); transition: border-color .15s;
  appearance: none; -webkit-appearance: none;
}
select {
  padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23374151' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 11px center; background-size: 12px 8px;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--c-blue); outline-offset: 1px; border-color: var(--c-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,.18);
}
a:focus-visible, button:focus-visible, .btn:focus-visible, summary:focus-visible {
  outline: 3px solid #f59e0b; outline-offset: 2px; border-radius: var(--radius-sm);
}
.site-header a:focus-visible, .site-header button:focus-visible { outline-color: #fff; }
input[readonly] { background: var(--c-gray-50); color: var(--c-gray-500); }
textarea { resize: vertical; min-height: 80px; }

.form-hint { font-size: 12px; color: var(--c-gray-500); margin-top: 2px; }

.radio-group { display: flex; gap: 12px; flex-wrap: wrap; padding-top: 4px; }
.radio-option {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; cursor: pointer;
}
.radio-option input[type=radio] { width: auto; }

.form-section {
  margin-bottom: 28px; padding-bottom: 24px;
  border-bottom: 1px solid var(--c-gray-100);
}
.form-section:last-of-type { border-bottom: none; }
.form-section__title {
  font-size: 13px; font-weight: 600; color: var(--c-navy);
  text-transform: uppercase; letter-spacing: .05em;
  margin-bottom: 16px;
}

.cost-preview {
  background: var(--c-gray-50); border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md); padding: 16px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.cost-preview__item label { font-size: 11px; color: var(--c-gray-500); display: block; }
.cost-preview__item .val  { font-size: 18px; font-weight: 600; color: var(--c-navy); }
.cost-preview--total { grid-column: 1 / -1; border-top: 1px solid var(--c-gray-200); padding-top: 12px; }

/* -------------------------------------------------------
   Tables
------------------------------------------------------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--c-gray-200); }
table.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  background: var(--c-gray-50); font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .05em; color: var(--c-gray-500);
  padding: 10px 14px; border-bottom: 1px solid var(--c-gray-200); text-align: left;
}
.data-table td { padding: 12px 14px; border-bottom: 1px solid var(--c-gray-100); font-size: 13px; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--c-gray-50); }
.data-table a { color: var(--c-navy); font-weight: 500; }

/* -------------------------------------------------------
   Status timeline
------------------------------------------------------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: ''; position: absolute; left: 9px; top: 8px; bottom: 8px;
  width: 1px; background: var(--c-gray-200);
}
.timeline-item { position: relative; margin-bottom: 20px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute; left: -24px; top: 3px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--c-gray-300); border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--c-gray-300);
}
.timeline-dot--green  { background: var(--c-green); box-shadow: 0 0 0 1px var(--c-green); }
.timeline-dot--amber  { background: var(--c-amber); box-shadow: 0 0 0 1px var(--c-amber); }
.timeline-dot--red    { background: var(--c-red); box-shadow: 0 0 0 1px var(--c-red); }
.timeline-dot--blue   { background: var(--c-blue); box-shadow: 0 0 0 1px var(--c-blue); }
.timeline-action { font-size: 13px; font-weight: 500; color: var(--c-gray-900); }
.timeline-meta   { font-size: 12px; color: var(--c-gray-500); margin-top: 2px; }
.timeline-notes  { font-size: 12px; color: var(--c-gray-700); margin-top: 6px;
  background: var(--c-gray-50); padding: 8px 12px; border-radius: var(--radius-sm);
  border-left: 3px solid var(--c-gray-300); }

/* -------------------------------------------------------
   Dashboard stats
------------------------------------------------------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 28px; }
.stat-card {
  background: #fff; border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg); padding: 20px;
  text-align: center;
}
.stat-card__num   { font-size: 32px; font-weight: 700; color: var(--c-navy); line-height: 1; }
.stat-card__label { font-size: 12px; color: var(--c-gray-500); margin-top: 4px; }

/* -------------------------------------------------------
   Approval panel
------------------------------------------------------- */
.approval-panel {
  border: 2px solid var(--c-amber); border-radius: var(--radius-lg);
  padding: 20px; background: var(--c-amber-soft); margin-top: 20px;
}
.approval-panel--done { border-color: var(--c-green); background: var(--c-green-soft); }
.approval-panel__title { font-size: 14px; font-weight: 600; margin-bottom: 12px; color: var(--c-gray-900); }
.approval-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

/* -------------------------------------------------------
   Utilities
------------------------------------------------------- */
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.text-muted { color: var(--c-gray-500); }
.text-sm    { font-size: 12px; }
.text-right { text-align: right; }
.flex { display: flex; align-items: center; gap: 10px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* -------------------------------------------------------
   Header menu, admin group, banner
------------------------------------------------------- */
button.btn { font-family: var(--font); }
.site-menu { display: flex; align-items: center; gap: 16px; flex: 1; min-width: 0; order: 2; }
.header-badge { order: 3; white-space: nowrap; text-decoration: none; }
.header-badge[hidden] { display: none; }
.header-badge:hover { text-decoration: underline; }
.nav-toggle {
  display: none; align-items: center; gap: 8px; margin-left: auto;
  background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.4);
  border-radius: var(--radius-md); padding: 7px 12px; font-size: 14px; font-family: var(--font); cursor: pointer;
}
.nav-toggle__bars, .nav-toggle__bars::before, .nav-toggle__bars::after {
  display: block; width: 18px; height: 2px; background: #fff; border-radius: 2px; position: relative;
}
.nav-toggle__bars::before, .nav-toggle__bars::after { content: ''; position: absolute; left: 0; }
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after  { top: 6px; }
button.site-nav__link { background: none; border: none; font-family: var(--font); cursor: pointer; }
.nav-group { position: relative; }
.nav-group__label { display: none; }
.nav-group__menu {
  display: none; position: absolute; top: 100%; left: 0; min-width: 190px; margin-top: 6px;
  background: var(--c-navy); border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius-md);
  padding: 6px; box-shadow: var(--shadow-md); flex-direction: column; gap: 2px;
}
.nav-group.open .nav-group__menu { display: flex; }
.nav-group__menu .site-nav__link { display: block; }

.site-banner { background: #b91c1c; color: #fff; padding: 10px 0; font-size: 14px; font-weight: 500; }
.site-banner strong { font-weight: 700; }

/* -------------------------------------------------------
   Reusable responsive layout helpers
------------------------------------------------------- */
.layout-split { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; }
.layout-split > * { min-width: 0; }
.btn-stack { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.inline-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.inline-form .grow { flex: 1; min-width: 200px; }
.row-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; align-items: end; }
.row-card { padding: 14px 16px; border-bottom: 1px solid var(--c-gray-100); }
.row-card:last-child { border-bottom: none; }
.row-card .row-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.row-card label { display: block; font-size: 12px; font-weight: 600; color: var(--c-gray-700); margin-bottom: 3px; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal-head { font-size: 12px; font-weight: 600; color: var(--c-gray-500); text-align: center; margin-bottom: 6px; }
.cal-cell { min-height: 90px; border: 1px solid var(--c-gray-200); border-radius: 6px; padding: 4px; min-width: 0; }
.cal-cell--today { border-color: var(--c-navy); background: var(--c-blue-soft); }
.cal-cell--sel { outline: 2px solid var(--c-navy); }
.cal-cell__top { display: flex; justify-content: space-between; align-items: center; font-size: 12px; font-weight: 600; color: var(--c-gray-500); margin-bottom: 4px; text-decoration: none; }
.cal-count { background: var(--c-navy); color: #fff; border-radius: 99px; padding: 0 6px; font-size: 11px; }
.cal-trip { display: block; font-size: 11px; padding: 2px 4px; margin-bottom: 2px; border-radius: 4px; text-decoration: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; background: var(--c-blue-soft); color: #1d4ed8; }
.cal-trip--done { background: var(--c-green-soft); color: #15803d; }
.stat-link { text-decoration: none; display: block; color: inherit; }
.stat-link:hover .stat-card, .stat-link:focus-visible .stat-card { border-color: var(--c-navy); box-shadow: var(--shadow-md); }
.stat-card--attn .stat-card__num { color: #b45309; }
.stat-card__label { font-size: 13px; }
.filter-card { padding: 16px; margin-bottom: 16px; }
.empty { text-align: center; padding: 32px 16px; color: var(--c-gray-500); }
.badge--warn { background: #fef3c7; color: #92400e; }

/* Hamburger menu below 1220px (the top bar would overflow otherwise) */
@media (max-width: 1220px) {
  .nav-toggle { display: inline-flex; }
  .header-badge { margin-left: auto; order: 1; }
  .header-badge[hidden] + .nav-toggle, .nav-toggle { order: 2; }
  .header-badge:not([hidden]) + .nav-toggle { margin-left: 0; }
  .site-header__inner { flex-wrap: wrap; height: auto; min-height: 56px; padding-top: 8px; padding-bottom: 8px; }
  .site-menu {
    display: none; flex-direction: column; align-items: stretch; flex: 1 1 100%; order: 5;
    padding: 8px 0 12px; border-top: 1px solid rgba(255,255,255,.15);
  }
  .site-menu.open { display: flex; }
  .site-nav { flex-direction: column; align-items: stretch; gap: 2px; }
  .site-nav__link { padding: 12px 12px; font-size: 15px; text-align: left; }
  .nav-group__btn { display: none; }
  .nav-group__label { display: block; color: rgba(255,255,255,.75); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; padding: 10px 12px 2px; }
  .nav-group__menu { display: flex; position: static; background: transparent; border: none; box-shadow: none; margin: 0; padding: 0; }
  .site-header__user { flex-wrap: wrap; padding: 10px 12px 0; border-top: 1px solid rgba(255,255,255,.15); margin-top: 8px; }
  .btn-link { padding: 8px 14px; font-size: 14px; }
}

/* Responsive */
@media (max-width: 800px) {
  .layout-split { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .site-header__inner { padding-left: 16px; padding-right: 16px; }
  .site-main { padding: 20px 0; }
  .card { padding: 16px; }
}
@media (max-width: 640px) {
  /* The public header is sticky; its subtitle wraps to three lines on a
     phone and eats the screen while teachers fill in the long form. */
  .site-subtitle { display: none; }
  .form-grid, .form-grid--3 { grid-template-columns: 1fr; }
  .page-head { flex-direction: column; }
  .btn-stack { flex-direction: column; align-items: stretch; }
  .btn-stack > .btn, .btn-stack > form, .btn-stack > form .btn, .btn-stack > a { width: 100%; justify-content: center; text-align: center; }
  .btn { min-height: 44px; justify-content: center; }
  .btn--sm { min-height: 40px; }
  .inline-form > .btn { width: 100%; }
  .table-wrap { -webkit-overflow-scrolling: touch; }
  .data-table th, .data-table td { white-space: nowrap; }
  .cal-cell { min-height: 56px; }
  .cal-trip { font-size: 0; padding: 0; height: 6px; margin-bottom: 2px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .logo-text-long { display: none; }
}