/* ============================================================
   DHK Travel Portal — Global Stylesheet
   ============================================================ */

/* ── Custom Properties ──────────────────────────────────────── */
:root {
  --color-primary:       #1a4480;
  --color-primary-dark:  #122f5e;
  --color-primary-light: #2563ab;
  --color-accent:        #f59e0b;
  --color-accent-dark:   #d97706;

  --color-bg:            #f0f4f8;
  --color-surface:       #ffffff;
  --color-surface-2:     #f8fafc;
  --color-border:        #dde3ec;
  --color-border-dark:   #c5cdd9;

  --color-text:          #1e2d40;
  --color-text-muted:    #5a6a7e;
  --color-text-light:    #8898aa;

  --color-success:       #16a34a;
  --color-success-bg:    #f0fdf4;
  --color-success-border:#bbf7d0;
  --color-error:         #dc2626;
  --color-error-bg:      #fef2f2;
  --color-error-border:  #fecaca;
  --color-warning:       #d97706;
  --color-warning-bg:    #fffbeb;
  --color-warning-border:#fde68a;
  --color-info:          #0284c7;
  --color-info-bg:       #f0f9ff;
  --color-info-border:   #bae6fd;

  --radius-sm:   4px;
  --radius:      8px;
  --radius-lg:   12px;
  --radius-xl:   16px;

  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:      0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:   0 10px 30px rgba(0,0,0,.12);

  --navbar-h:    60px;
  --sidebar-w:   220px;

  --font-sans:   'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:   'Cascadia Code', 'Consolas', monospace;
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); text-decoration: underline; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }

/* ── Navbar ──────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--navbar-h);
  background: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.navbar-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: #fff;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -.01em;
  text-decoration: none;
  flex-shrink: 0;
}
.navbar-brand:hover { color: #fff; text-decoration: none; opacity: .9; }
.brand-icon { font-size: 1.25rem; }

.navbar-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  flex: 1;
}
.nav-link {
  display: block;
  padding: .4rem .875rem;
  color: rgba(255,255,255,.82);
  font-size: .875rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: background .15s, color .15s;
  text-decoration: none;
}
.nav-link:hover, .nav-link.active {
  color: #fff;
  background: rgba(255,255,255,.15);
  text-decoration: none;
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
}
.user-name {
  color: rgba(255,255,255,.9);
  font-size: .875rem;
  font-weight: 500;
}
.role-badge {
  font-size: .6875rem;
  font-weight: 600;
  padding: .15rem .5rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.role-badge.role-admin    { background: var(--color-accent); color: #1a1a1a; }
.role-badge.role-editor   { background: rgba(255,255,255,.2); color: #fff; }
.role-badge.role-readonly { background: rgba(255,255,255,.12); color: rgba(255,255,255,.7); }

.btn-logout {
  font-size: .8125rem;
  color: rgba(255,255,255,.75);
  padding: .3rem .75rem;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius);
  transition: all .15s;
  text-decoration: none;
}
.btn-logout:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
  text-decoration: none;
}

/* ── Main Content ────────────────────────────────────────────── */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 3rem;
}

/* ── Page Header ─────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -.02em;
}
.page-subtitle {
  font-size: .875rem;
  color: var(--color-text-muted);
  margin-top: .2rem;
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}
.card-body { padding: 1.25rem; }
.card-footer {
  padding: .875rem 1.25rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

/* ── Trip Cards (home grid) ──────────────────────────────────── */
.trip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}
.trip-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
  display: flex;
  flex-direction: column;
}
.trip-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  text-decoration: none;
}
.trip-card-hero {
  height: 160px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  background-size: cover;
  background-position: center;
  position: relative;
}
.trip-card-type-badge {
  position: absolute;
  top: .75rem;
  left: .75rem;
  font-size: .6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  background: rgba(0,0,0,.45);
  color: #fff;
  padding: .25rem .6rem;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.trip-card-body { padding: 1rem; flex: 1; }
.trip-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: .25rem;
}
.trip-card-dest {
  font-size: .8125rem;
  color: var(--color-text-muted);
  margin-bottom: .75rem;
}
.trip-card-dates {
  font-size: .8125rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.trip-card-footer {
  padding: .75rem 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.countdown {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-primary);
}
.countdown.past { color: var(--color-text-muted); font-weight: 400; }
.countdown.soon { color: var(--color-accent-dark); }

/* ── Traveler Cards ──────────────────────────────────────────── */
.traveler-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.traveler-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
  transition: box-shadow .2s;
}
.traveler-card:hover { box-shadow: var(--shadow); }
.traveler-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: .875rem;
  flex-shrink: 0;
}
.traveler-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}
.traveler-meta {
  font-size: .8125rem;
  color: var(--color-text-muted);
  margin-top: .25rem;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1rem;
  font-size: .875rem;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
}
.btn:hover { text-decoration: none; }
.btn:disabled, .btn[disabled] { opacity: .55; cursor: not-allowed; }

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

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-dark);
}
.btn-secondary:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border-dark);
  color: var(--color-text);
}

.btn-danger {
  background: var(--color-error);
  color: #fff;
  border-color: var(--color-error);
}
.btn-danger:hover { background: #b91c1c; border-color: #b91c1c; color: #fff; }

.btn-sm { padding: .3rem .75rem; font-size: .8125rem; }
.btn-lg { padding: .65rem 1.5rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  padding: .35rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: background .15s, color .15s;
  line-height: 1;
}
.btn-icon:hover { background: var(--color-surface-2); color: var(--color-text); }

/* ── Forms ───────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.125rem; }
.form-label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: .375rem;
}
.form-label .req { color: var(--color-error); margin-left: .2rem; }
.form-hint {
  font-size: .8125rem;
  color: var(--color-text-muted);
  margin-top: .3rem;
}
.form-control {
  display: block;
  width: 100%;
  padding: .5rem .75rem;
  font-size: .9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius);
  transition: border-color .15s, box-shadow .15s;
  line-height: 1.5;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,68,128,.15);
}
.form-control::placeholder { color: var(--color-text-light); }
.form-control:disabled, .form-control[readonly] {
  background: var(--color-surface-2);
  color: var(--color-text-muted);
}
textarea.form-control { resize: vertical; min-height: 90px; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6a7e' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .75rem center; padding-right: 2rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row.cols-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }

.form-check {
  display: flex;
  align-items: center;
  gap: .5rem;
  cursor: pointer;
}
.form-check input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}
.form-check-label { font-size: .9375rem; cursor: pointer; }

.form-section {
  margin-bottom: 1.75rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--color-border);
}
.form-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.form-section-title {
  font-size: .875rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 1rem;
}

/* ── Tables ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}
th {
  text-align: left;
  padding: .6rem .875rem;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
td {
  padding: .75rem .875rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--color-surface-2); }

/* ── Alerts & Badges ─────────────────────────────────────────── */
.alert {
  padding: .875rem 1.125rem;
  border-radius: var(--radius);
  font-size: .9rem;
  border: 1px solid transparent;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: .625rem;
}
.alert-success { background: var(--color-success-bg); border-color: var(--color-success-border); color: #14532d; }
.alert-error   { background: var(--color-error-bg);   border-color: var(--color-error-border);   color: #7f1d1d; }
.alert-warning { background: var(--color-warning-bg); border-color: var(--color-warning-border); color: #78350f; }
.alert-info    { background: var(--color-info-bg);    border-color: var(--color-info-border);    color: #075985; }

.badge {
  display: inline-block;
  font-size: .6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: .2rem .55rem;
  border-radius: 999px;
  white-space: nowrap;
}
.badge-primary { background: #dbeafe; color: #1e40af; }
.badge-success { background: var(--color-success-bg); color: #15803d; border: 1px solid var(--color-success-border); }
.badge-warning { background: var(--color-warning-bg); color: #92400e; border: 1px solid var(--color-warning-border); }
.badge-neutral { background: #f1f5f9; color: var(--color-text-muted); border: 1px solid var(--color-border); }

/* ── Section Divider ─────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.section-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.section-icon { font-size: 1.1rem; }

/* ── Checklist ───────────────────────────────────────────────── */
.checklist-section { margin-bottom: 1.5rem; }
.checklist-section-name {
  font-size: .875rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: .625rem;
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--color-border);
}
.checklist-item {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .4rem 0;
}
.checklist-item input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  cursor: pointer;
}
.checklist-item label {
  font-size: .9375rem;
  cursor: pointer;
  line-height: 1.4;
}
.checklist-item.checked label {
  text-decoration: line-through;
  color: var(--color-text-muted);
}

/* ── Empty State ─────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-muted);
}
.empty-state-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.empty-state-text { font-size: 1rem; margin-bottom: 1.25rem; }

/* ── Login Page ──────────────────────────────────────────────── */
body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-light) 100%);
}
.login-wrap {
  width: 100%;
  max-width: 400px;
  padding: 1rem;
}
.login-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 2.25rem 2rem;
}
.login-header { text-align: center; margin-bottom: 1.75rem; }
.login-logo {
  font-size: 2.5rem;
  display: block;
  margin-bottom: .5rem;
}
.login-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -.03em;
}
.login-subtitle {
  font-size: .875rem;
  color: var(--color-text-muted);
  margin-top: .25rem;
}
.login-form .btn-primary { margin-top: .5rem; }

/* ── Utility ─────────────────────────────────────────────────── */
.text-muted  { color: var(--color-text-muted); }
.text-sm     { font-size: .875rem; }
.text-xs     { font-size: .75rem; }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.fw-bold     { font-weight: 700; }
.d-flex      { display: flex; }
.align-center{ align-items: center; }
.gap-1       { gap: .5rem; }
.gap-2       { gap: 1rem; }
.mt-1        { margin-top: .5rem; }
.mt-2        { margin-top: 1rem; }
.mt-3        { margin-top: 1.5rem; }
.mb-1        { margin-bottom: .5rem; }
.mb-2        { margin-bottom: 1rem; }
.mb-3        { margin-bottom: 1.5rem; }

/* ── Site Footer ─────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: .8125rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  margin-top: 2rem;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar-inner { gap: .75rem; }
  .brand-text   { display: none; }
  .user-name    { display: none; }
  .form-row, .form-row.cols-3, .form-row.cols-4 { grid-template-columns: 1fr; }
  .trip-grid    { grid-template-columns: 1fr; }
  .traveler-grid{ grid-template-columns: 1fr; }
  .page-header  { flex-direction: column; align-items: flex-start; }
}

/* ── Print ───────────────────────────────────────────────────── */
@media print {
  .navbar, .site-footer, .btn, .btn-icon,
  .page-header .btn, nav { display: none !important; }

  body { background: white; color: black; font-size: 11pt; }
  .main-content { max-width: 100%; padding: 0; }
  .card { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }

  .checklist-item input[type="checkbox"] {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    appearance: none;
    width: 1rem; height: 1rem;
    border: 1.5px solid #333;
    border-radius: 3px;
    display: inline-block;
    vertical-align: middle;
  }
  .checklist-item.checked input[type="checkbox"]::after {
    content: '✓';
    display: block;
    text-align: center;
    line-height: 1;
    font-size: .8rem;
  }
}