/* Gurman Logistics — Components
   Buttons, badges, cards, modals, navigation
   ========================================== */

/* ========== Lucide icon color inheritance ========== */
[data-lucide] {
  display: inline-block;
  vertical-align: middle;
  color: inherit;
  stroke: currentColor;
  fill: none;
  flex-shrink: 0;
}

/* Icons inside buttons (data-lucide before Lucide init; svg after) */
.btn [data-lucide],
.btn svg,
.btn svg.btn-icon {
  width: 15px;
  height: 15px;
  stroke-width: 2.25;
  flex-shrink: 0;
  pointer-events: none;
  align-self: center;
  justify-self: center;
  display: block;
  vertical-align: middle;
}

.btn-sm [data-lucide],
.btn-sm svg,
.btn-sm svg.btn-icon {
  width: 13px;
  height: 13px;
}

/* ========== Header & Navigation ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--nav-z-index);
  background: transparent;
  transition: background var(--transition-base), backdrop-filter var(--transition-base),
              border-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 16px rgba(30, 95, 173, 0.07);
}

/* On inner pages, header is always white */
.site-header.header-white {
  background: rgba(255,255,255,0.98);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

@media (min-width: 640px) { .header-inner { padding: 0 var(--space-lg); } }
@media (min-width: 768px)  { .header-inner { padding: 0 var(--space-xl); } }
@media (min-width: 1280px) { .header-inner { padding: 0 var(--space-2xl); } }

/* Logo */
.logo-img {
  height: 36px;
  width: auto;
  display: block;
  transition: opacity var(--transition-fast);
}

.logo-img:hover { opacity: 0.85; }

/* On homepage (transparent header), show white version */
.site-header:not(.scrolled):not(.header-white) .logo-img {
  filter: brightness(0) invert(1);
}

/* Desktop nav */
.nav-desktop {
  display: none;
}

@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
  }
}

.nav-desktop a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  transition: color var(--transition-fast);
}

.site-header.scrolled .nav-desktop a,
.site-header.header-white .nav-desktop a {
  color: var(--color-text-body);
}

.nav-desktop a:hover,
.site-header.scrolled .nav-desktop a:hover,
.site-header.header-white .nav-desktop a:hover {
  color: var(--color-primary);
}

/* Ensure button colors are never overridden by nav link color rules */
.nav-desktop .btn-primary {
  color: var(--color-primary-dark);
}

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

/* Scrolled header: flip the white btn-primary to solid blue */
.site-header.scrolled .nav-desktop .btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.site-header.scrolled .nav-desktop .btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.nav-desktop .btn-primary-blue,
.site-header.scrolled .nav-desktop .btn-primary-blue,
.site-header.header-white .nav-desktop .btn-primary-blue {
  color: #ffffff;
}

.nav-desktop .btn-primary-blue:hover,
.site-header.scrolled .nav-desktop .btn-primary-blue:hover,
.site-header.header-white .nav-desktop .btn-primary-blue:hover {
  color: #ffffff;
}

/* Hamburger toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

@media (min-width: 768px) { .menu-toggle { display: none; } }

.menu-toggle:hover { opacity: 0.7; }

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: rgba(255,255,255,0.9);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast),
              background var(--transition-base);
}

.site-header.scrolled .menu-toggle span,
.site-header.header-white .menu-toggle span {
  background: var(--color-text);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  top: var(--header-height);
  z-index: calc(var(--nav-z-index) - 1);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  gap: var(--space-sm);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  border-top: 3px solid var(--color-primary);
}

.mobile-menu.is-open { transform: translateX(0); }

@media (min-width: 768px) { .mobile-menu { display: none; } }

.mobile-menu a {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu a:hover { color: var(--color-primary); }

.mobile-menu .btn {
  margin-top: var(--space-md);
}

/* ========== Buttons ========== */
.btn {
  display: inline-grid;
  grid-auto-flow: column;
  grid-auto-columns: auto;
  align-items: center;
  justify-content: center;
  justify-items: center;
  gap: var(--space-sm);
  padding: 0.75rem var(--space-xl);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-base), color var(--transition-base),
    border-color var(--transition-base), box-shadow var(--transition-base),
    transform var(--transition-fast);
  text-decoration: none;
  text-align: center;
  box-sizing: border-box;
  min-height: 2.75rem;
}

/* Each direct child (text in anonymous box, icon) gets its own grid cell, both centered */
.btn > * {
  align-self: center;
  justify-self: center;
}

a.btn {
  display: inline-grid;
  align-items: center;
  justify-content: center;
  justify-items: center;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Primary — white fill on hero, blue fill elsewhere */
.btn-primary {
  background: #ffffff;
  color: var(--color-primary-dark);
  border-color: #ffffff;
}

.btn-primary:hover {
  background: #e8f0fa;
  border-color: #e8f0fa;
  color: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(255,255,255,0.25);
}

/* Use .btn-primary-blue for non-hero contexts */
.btn-primary-blue {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.btn-primary-blue:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

/* Secondary — outlined */
.btn-secondary {
  background: transparent;
  color: rgba(255,255,255,0.9);
  border-color: rgba(255,255,255,0.4);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.6);
  color: #ffffff;
}

/* Secondary blue — for light backgrounds */
.btn-secondary-blue {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary-blue:hover {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-block { width: 100%; }

.btn-sm {
  padding: 0.5rem var(--space-lg);
  font-size: 0.875rem;
  min-height: 2.5rem;
}

/* ========== Status Badges ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 3px 10px;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: 999px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-available {
  background: rgba(14, 165, 114, 0.12);
  color: #0a7f5c;
}
.badge-available .badge-dot { background: var(--color-success); }

.badge-pending {
  background: rgba(245, 158, 11, 0.12);
  color: #b45309;
}
.badge-pending .badge-dot { background: var(--color-warning); }

.badge-booked {
  background: rgba(148, 163, 184, 0.15);
  color: #64748b;
}
.badge-booked .badge-dot { background: #94a3b8; }

/* ========== Cards ========== */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-base), border-color var(--transition-base),
              transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: #b8cfe8;
  transform: translateY(-3px);
}

.card-clickable { cursor: pointer; }

.load-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-base);
}

.load-card:hover {
  box-shadow: var(--shadow-md);
}

/* ========== Modal ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--modal-z-index);
  background: rgba(13, 32, 64, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay.is-open { opacity: 1; visibility: visible; }

.modal {
  width: 100%;
  max-width: 500px;
  max-height: 92vh;
  overflow-y: auto;
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: var(--shadow-lg);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.modal-overlay.is-open .modal { transform: translateY(0); }

@media (min-width: 640px) {
  .modal-overlay { align-items: center; padding: var(--space-xl); }
  .modal {
    border-radius: var(--radius-lg);
    transform: translateY(16px) scale(0.98);
  }
  .modal-overlay.is-open .modal { transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-surface);
  z-index: 1;
}

.modal-title { margin: 0; font-size: 1.125rem; }

.modal-close {
  width: 36px;
  height: 36px;
  padding: 0;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover { background: var(--color-bg); color: var(--color-text); }

.modal-close:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.modal-body { padding: var(--space-xl); }

/* ========== Forms ========== */
.form-group { margin-bottom: var(--space-lg); }
.form-group:last-child { margin-bottom: 0; }

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.01em;
}

.form-label.required::after { content: ' *'; color: var(--color-danger); }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.6875rem var(--space-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  line-height: 1.5;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-textarea { min-height: 100px; resize: vertical; }

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-neutral); }

/* ========== Section headers ========== */
.section-header { text-align: center; max-width: 640px; margin: 0 auto var(--space-2xl); }
.section-title { margin-bottom: var(--space-sm); }
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.7;
}