/* ==================================================
   ASEL VIP TUR — PREMIUM DESIGN SYSTEM
   ================================================== */

:root {
  color-scheme: dark;

  --asel-black-950: #050505;
  --asel-black-900: #090909;
  --asel-black-850: #0d0d0d;
  --asel-black-800: #121212;
  --asel-black-750: #171717;
  --asel-black-700: #1d1d1d;
  --asel-black-650: #242424;

  --asel-gold-300: #ffe783;
  --asel-gold-400: #ffd84d;
  --asel-gold-500: #f4c430;
  --asel-gold-600: #d9aa19;
  --asel-gold-700: #ad8410;

  --asel-text-primary: #f9f9f7;
  --asel-text-secondary: #c8c8c1;
  --asel-text-muted: #8d8d88;

  --asel-success: #2fc769;
  --asel-warning: #f0a52b;
  --asel-danger: #e94848;
  --asel-info: #4389e8;

  --asel-border-soft: rgba(244, 196, 48, 0.12);
  --asel-border: rgba(244, 196, 48, 0.24);
  --asel-border-strong: rgba(244, 196, 48, 0.45);

  --asel-glass: rgba(18, 18, 18, 0.78);
  --asel-glass-strong: rgba(11, 11, 11, 0.92);

  --asel-radius-xs: 8px;
  --asel-radius-sm: 11px;
  --asel-radius-md: 16px;
  --asel-radius-lg: 22px;
  --asel-radius-xl: 30px;

  --asel-shadow-sm:
    0 8px 22px rgba(0, 0, 0, 0.22);

  --asel-shadow-md:
    0 18px 48px rgba(0, 0, 0, 0.34);

  --asel-shadow-lg:
    0 28px 90px rgba(0, 0, 0, 0.52);

  --asel-gold-shadow:
    0 12px 36px rgba(244, 196, 48, 0.16);

  --asel-transition-fast: 140ms ease;
  --asel-transition: 220ms ease;
}

/* ==================================================
   RESET / BASE
   ================================================== */

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

html {
  scroll-behavior: smooth;
  background: var(--asel-black-950);
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;

  background:
    radial-gradient(
      circle at 90% -10%,
      rgba(244, 196, 48, 0.13),
      transparent 30%
    ),
    radial-gradient(
      circle at 5% 35%,
      rgba(244, 196, 48, 0.055),
      transparent 25%
    ),
    linear-gradient(
      180deg,
      var(--asel-black-900),
      var(--asel-black-950)
    );

  color: var(--asel-text-primary);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;

  background-image:
    linear-gradient(
      rgba(255, 255, 255, 0.012) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.012) 1px,
      transparent 1px
    );

  background-size: 48px 48px;
  mask-image:
    linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.8),
      transparent 75%
    );
}

img,
video {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--asel-gold-400);
  text-decoration-color: rgba(244, 196, 48, 0.4);
  text-underline-offset: 4px;
  transition:
    color var(--asel-transition-fast),
    opacity var(--asel-transition-fast);
}

a:hover {
  color: var(--asel-gold-300);
}

h1,
h2,
h3,
h4 {
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

::selection {
  background: var(--asel-gold-500);
  color: var(--asel-black-950);
}

/* ==================================================
   SCROLLBAR
   ================================================== */

* {
  scrollbar-width: thin;
  scrollbar-color:
    var(--asel-gold-600)
    var(--asel-black-800);
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-track {
  background: var(--asel-black-800);
}

*::-webkit-scrollbar-thumb {
  border: 2px solid var(--asel-black-800);
  border-radius: 999px;
  background: var(--asel-gold-600);
}

/* ==================================================
   BRAND / HEADER / NAV
   ================================================== */

header,
.site-header,
.main-header,
.navbar {
  border-bottom: 1px solid var(--asel-border-soft);
  background:
    linear-gradient(
      180deg,
      rgba(5, 5, 5, 0.94),
      rgba(10, 10, 10, 0.82)
    );
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.logo,
.brand,
.site-logo {
  filter:
    drop-shadow(
      0 7px 18px rgba(244, 196, 48, 0.16)
    );
}

nav a,
.nav-link {
  position: relative;
  color: var(--asel-text-secondary);
  font-weight: 650;
  text-decoration: none;
}

nav a::after,
.nav-link::after {
  content: "";
  position: absolute;
  right: 50%;
  bottom: -8px;
  left: 50%;
  height: 2px;

  border-radius: 999px;
  background: var(--asel-gold-500);

  transition:
    right var(--asel-transition),
    left var(--asel-transition);
}

nav a:hover,
.nav-link:hover,
nav a.active,
.nav-link.active {
  color: var(--asel-gold-400);
}

nav a:hover::after,
.nav-link:hover::after,
nav a.active::after,
.nav-link.active::after {
  right: 0;
  left: 0;
}

/* ==================================================
   HERO
   ================================================== */

.hero,
.hero-section,
.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.hero::before,
.hero-section::before,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;

  background:
    linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.88),
      rgba(0, 0, 0, 0.36)
    ),
    linear-gradient(
      180deg,
      transparent 60%,
      var(--asel-black-950)
    );
}

.hero h1,
.hero-section h1,
.page-hero h1 {
  color: var(--asel-text-primary);
  text-shadow:
    0 8px 32px rgba(0, 0, 0, 0.72);
}

.hero strong,
.hero .accent,
.hero-section .accent {
  color: var(--asel-gold-400);
}

/* ==================================================
   CARDS / PANELS
   ================================================== */

.card,
.panel,
.feature-card,
.service-card,
.vehicle-card,
.admin-login-box,
.admin-toolbar,
.admin-booking-card,
.dashboard-stat,
.today-operation,
.operation-alerts,
.operation-modal-dialog,
.booking-form,
.form-card {
  position: relative;

  border: 1px solid var(--asel-border-soft);
  border-radius: var(--asel-radius-md);

  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.038),
      rgba(255, 255, 255, 0.012)
    ),
    var(--asel-glass);

  box-shadow: var(--asel-shadow-md);

  transition:
    transform var(--asel-transition),
    border-color var(--asel-transition),
    box-shadow var(--asel-transition),
    background var(--asel-transition);
}

.card:hover,
.feature-card:hover,
.service-card:hover,
.vehicle-card:hover,
.admin-booking-card:hover {
  transform: translateY(-3px);
  border-color: var(--asel-border);
  box-shadow:
    var(--asel-shadow-lg),
    var(--asel-gold-shadow);
}

.dashboard-stat {
  overflow: hidden;
  min-height: 118px;
  padding: 19px;
}

.dashboard-stat::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;

  background:
    linear-gradient(
      180deg,
      var(--asel-gold-300),
      var(--asel-gold-600)
    );

  box-shadow:
    4px 0 20px rgba(244, 196, 48, 0.24);
}

.dashboard-stat::after {
  content: "";
  position: absolute;
  top: -45px;
  right: -45px;
  width: 110px;
  height: 110px;

  border-radius: 50%;
  background:
    radial-gradient(
      circle,
      rgba(244, 196, 48, 0.12),
      transparent 70%
    );
}

.dashboard-stat span {
  color: var(--asel-text-secondary);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dashboard-stat strong {
  display: block;
  margin-top: 11px;

  color: var(--asel-gold-400);
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  line-height: 1;
}

/* ==================================================
   BUTTON SYSTEM
   ================================================== */

.button,
button,
input[type="submit"] {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: var(--asel-radius-sm);
  padding: 10px 17px;

  background:
    linear-gradient(
      180deg,
      var(--asel-gold-400),
      var(--asel-gold-500)
    );

  color: var(--asel-black-950);
  font: inherit;
  font-weight: 800;
  text-decoration: none;

  cursor: pointer;

  box-shadow:
    0 8px 20px rgba(244, 196, 48, 0.14);

  transition:
    transform var(--asel-transition-fast),
    box-shadow var(--asel-transition),
    filter var(--asel-transition-fast),
    opacity var(--asel-transition-fast);
}

.button:hover,
button:hover,
input[type="submit"]:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);

  box-shadow:
    0 13px 30px rgba(244, 196, 48, 0.24);
}

.button:active,
button:active,
input[type="submit"]:active {
  transform: translateY(0);
}

.button:focus-visible,
button:focus-visible,
input[type="submit"]:focus-visible {
  outline:
    3px solid rgba(244, 196, 48, 0.3);
  outline-offset: 3px;
}

.button:disabled,
button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
  filter: grayscale(0.25);
}

.button-danger {
  border-color: rgba(233, 72, 72, 0.38);
  background:
    linear-gradient(
      180deg,
      #f35c5c,
      var(--asel-danger)
    );
  color: #fff;

  box-shadow:
    0 8px 20px rgba(233, 72, 72, 0.15);
}

.button-danger:hover {
  box-shadow:
    0 13px 30px rgba(233, 72, 72, 0.24);
}

.button-secondary {
  border-color: var(--asel-border);
  background: var(--asel-black-700);
  color: var(--asel-text-primary);
  box-shadow: none;
}

/* ==================================================
   FORMS
   ================================================== */

label {
  color: var(--asel-text-secondary);
  font-size: 0.9rem;
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--asel-border-soft) !important;
  border-radius: var(--asel-radius-sm);
  padding: 11px 13px;

  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.025),
      rgba(255, 255, 255, 0.008)
    ),
    var(--asel-black-800) !important;

  color: var(--asel-text-primary) !important;
  font: inherit;

  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.025);

  transition:
    border-color var(--asel-transition-fast),
    box-shadow var(--asel-transition-fast),
    background var(--asel-transition-fast);
}

textarea {
  min-height: 110px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: var(--asel-text-muted);
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--asel-border) !important;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--asel-gold-500) !important;

  box-shadow:
    0 0 0 4px rgba(244, 196, 48, 0.1);
}

select option {
  background: var(--asel-black-800);
  color: var(--asel-text-primary);
}

/* ==================================================
   STATUS BADGES
   ================================================== */

.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 4px 11px;

  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.status-pending {
  border-color: rgba(240, 165, 43, 0.5);
  background: rgba(240, 165, 43, 0.94);
  color: #17100a;
}

.status-driver_assigned,
.status-confirmed {
  border-color: rgba(67, 137, 232, 0.5);
  background: rgba(67, 137, 232, 0.94);
  color: #fff;
}

.status-completed {
  border-color: rgba(47, 199, 105, 0.5);
  background: rgba(47, 199, 105, 0.94);
  color: #06140c;
}

.status-cancelled {
  border-color: rgba(233, 72, 72, 0.5);
  background: rgba(233, 72, 72, 0.94);
  color: #fff;
}

/* ==================================================
   ADMIN SHELL
   ================================================== */

.admin-shell {
  width: min(1240px, calc(100% - 28px));
  margin: 30px auto 76px;
}

.admin-summary {
  position: relative;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--asel-border-soft);
}

.admin-summary::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 88px;
  height: 2px;

  background:
    linear-gradient(
      90deg,
      var(--asel-gold-400),
      transparent
    );
}

.admin-summary h1,
.dashboard-heading h2,
.today-operation-head h3,
.operation-alerts-head h3 {
  color: var(--asel-gold-400);
}

.dashboard-heading,
.today-operation-head,
.operation-alerts-head {
  padding-bottom: 13px;
  border-bottom: 1px solid var(--asel-border-soft);
}

.dashboard-kicker {
  color: var(--asel-gold-600);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ==================================================
   OPERATION CARDS
   ================================================== */

.today-booking-item,
.operation-alert-item {
  position: relative;
  overflow: hidden;

  border: 1px solid var(--asel-border-soft);
  border-radius: var(--asel-radius-md);

  background:
    linear-gradient(
      120deg,
      rgba(244, 196, 48, 0.035),
      transparent 45%
    ),
    var(--asel-black-750);

  box-shadow: var(--asel-shadow-sm);

  transition:
    transform var(--asel-transition),
    border-color var(--asel-transition),
    box-shadow var(--asel-transition);
}

.today-booking-item:hover,
.operation-alert-item:hover {
  transform: translateY(-2px);
  border-color: var(--asel-border);

  box-shadow:
    var(--asel-shadow-md),
    0 8px 25px rgba(244, 196, 48, 0.08);
}

.today-booking-time,
.operation-alert-time,
.timeline-time {
  color: var(--asel-gold-400);
}

.today-booking-main strong,
.operation-alert-main strong,
.timeline-content strong {
  color: var(--asel-text-primary);
  font-size: 1rem;
}

.today-booking-main span,
.operation-alert-main span,
.timeline-content span {
  color: var(--asel-text-secondary);
}

.operation-alert-item.alert-overdue {
  border-left: 4px solid var(--asel-danger);
  background:
    linear-gradient(
      90deg,
      rgba(233, 72, 72, 0.11),
      transparent 35%
    ),
    var(--asel-black-750);
}

.operation-alert-item.alert-critical {
  border-left: 4px solid var(--asel-warning);
}

.operation-alert-item.alert-upcoming {
  border-left: 4px solid var(--asel-info);
}

/* ==================================================
   TIMELINE
   ================================================== */

.timeline-marker::before {
  background:
    linear-gradient(
      180deg,
      var(--asel-gold-600),
      rgba(244, 196, 48, 0.08)
    ) !important;
}

.timeline-dot {
  background: var(--asel-gold-400) !important;

  box-shadow:
    0 0 0 5px rgba(244, 196, 48, 0.12),
    0 0 22px rgba(244, 196, 48, 0.25) !important;
}

/* ==================================================
   DETAIL / INNER DATA CARDS
   ================================================== */

.admin-booking-grid div,
.admin-booking-note,
.quick-assign-booking-info,
.booking-detail-item,
.booking-detail-note,
.admin-readonly-info > div {
  border: 1px solid var(--asel-border-soft);
  border-radius: var(--asel-radius-sm);

  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.028),
      rgba(255, 255, 255, 0.009)
    ),
    var(--asel-black-800);
}

.admin-booking-grid span,
.admin-booking-note span,
.booking-detail-item span,
.booking-detail-note span,
.admin-readonly-info span {
  color: var(--asel-text-muted);
}

.admin-booking-grid strong,
.booking-detail-item strong,
.admin-readonly-info strong {
  color: var(--asel-text-primary);
}

/* ==================================================
   MODALS
   ================================================== */

.operation-modal-backdrop {
  background:
    rgba(0, 0, 0, 0.78) !important;

  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.operation-modal-dialog {
  border-color: var(--asel-border);
  background:
    linear-gradient(
      145deg,
      rgba(244, 196, 48, 0.035),
      transparent 30%
    ),
    var(--asel-black-800) !important;

  box-shadow:
    var(--asel-shadow-lg),
    0 0 70px rgba(244, 196, 48, 0.08);
}

.operation-modal-close {
  border: 1px solid var(--asel-border);
  background:
    linear-gradient(
      180deg,
      var(--asel-gold-400),
      var(--asel-gold-500)
    );

  color: var(--asel-black-950);
}

/* ==================================================
   MESSAGES
   ================================================== */

#adminMessage,
#bookingApiStatus,
.form-status,
.alert {
  border: 1px solid var(--asel-border-soft);
  border-radius: var(--asel-radius-sm);

  background: var(--asel-black-750);
  color: var(--asel-text-primary);
}

#adminMessage[data-type="success"],
.form-status.success {
  border-color: rgba(47, 199, 105, 0.35);
  background: rgba(47, 199, 105, 0.11);
}

#adminMessage[data-type="error"],
.form-status.error {
  border-color: rgba(233, 72, 72, 0.35);
  background: rgba(233, 72, 72, 0.11);
}

/* ==================================================
   FOOTER
   ================================================== */

footer,
.site-footer {
  border-top: 1px solid var(--asel-border-soft);
  background:
    linear-gradient(
      180deg,
      var(--asel-black-900),
      var(--asel-black-950)
    );
  color: var(--asel-text-secondary);
}

/* ==================================================
   SUBTLE ENTRANCE ANIMATION
   ================================================== */

@keyframes aselFadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dashboard-stat,
.admin-booking-card,
.today-booking-item,
.operation-alert-item,
.feature-card,
.service-card,
.vehicle-card {
  animation:
    aselFadeUp 360ms ease both;
}

.dashboard-stat:nth-child(2),
.admin-booking-card:nth-child(2) {
  animation-delay: 35ms;
}

.dashboard-stat:nth-child(3),
.admin-booking-card:nth-child(3) {
  animation-delay: 70ms;
}

.dashboard-stat:nth-child(4),
.admin-booking-card:nth-child(4) {
  animation-delay: 105ms;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==================================================
   TABLET
   ================================================== */

@media (max-width: 900px) {
  .dashboard-stats {
    grid-template-columns:
      repeat(2, minmax(0, 1fr)) !important;
  }

  .admin-booking-grid {
    grid-template-columns:
      repeat(2, minmax(0, 1fr)) !important;
  }
}

/* ==================================================
   MOBILE
   ================================================== */

@media (max-width: 640px) {
  body {
    background:
      radial-gradient(
        circle at top,
        rgba(244, 196, 48, 0.09),
        transparent 24%
      ),
      var(--asel-black-950);
  }

  .admin-shell {
    width: min(100% - 18px, 1240px);
    margin-top: 12px;
  }

  .dashboard-stats,
  .admin-booking-grid,
  .booking-detail-grid,
  .admin-readonly-info {
    grid-template-columns: 1fr !important;
  }

  .dashboard-stat {
    min-height: 100px;
  }

  .dashboard-heading,
  .admin-summary,
  .today-operation-head,
  .operation-alerts-head {
    align-items: stretch !important;
  }

  .button,
  button,
  input[type="submit"] {
    width: 100%;
    justify-content: center;
  }

  .today-booking-actions,
  .operation-alert-actions,
  .operation-modal-actions,
  .booking-detail-contact {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
  }

  .operation-modal {
    padding: 9px !important;
  }

  .operation-modal-dialog {
    max-height: calc(100vh - 18px);
    border-radius: var(--asel-radius-md);
  }
}