/* ==========================================================================
   Main Stylesheet — Japan 2027 Dashboard (japan27.michalsk.pl)
   Built with Vanilla CSS, Geist Typography & Sakura Light Design System
   ========================================================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

::selection {
  background: var(--sakura-200);
  color: var(--sakura-700);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max-w);
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
  z-index: 2;
}

/* --- Header / Top Bar --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-4) 0;
  transition: background-color var(--duration-normal) var(--ease-standard);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gradient-sakura);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverted);
  box-shadow: var(--shadow-sm);
  font-size: 18px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  letter-spacing: -0.01em;
}

.brand-title .brand-domain {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sakura-600);
  background: var(--sakura-50);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--sakura-200);
}

.brand-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.user-identity-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 5px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-standard);
}

.user-identity-pill.admin {
  background: var(--sakura-50);
  border-color: var(--sakura-300);
  color: var(--sakura-700);
}

.admin-only-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  background: var(--sakura-600);
  color: var(--text-inverted);
  padding: 1px 6px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: 2px;
}

.guest-notice {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-card-subtle);
  border: 1px dashed var(--border-card);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.header-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-standard);
}

.header-btn:hover {
  background: var(--sakura-50);
  border-color: var(--sakura-300);
  color: var(--sakura-600);
  transform: translateY(-1px);
}

/* --- Hero Banner --- */
.hero-section {
  padding: var(--space-8) 0 var(--space-6);
}

.hero-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-10);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-4);
  position: relative;
  z-index: 1;
}

.hero-meta-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.hero-title-group {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.hero-title .gradient-text {
  background: var(--gradient-sakura);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-dates-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-dates-bar .date-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hero-dates-bar .duration-pill {
  background: var(--sakura-100);
  color: var(--sakura-700);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

/* --- Countdown Grid --- */
.countdown-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  position: relative;
  z-index: 1;
}

.countdown-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
}

.countdown-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-sakura);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-standard);
}

.countdown-box:hover {
  transform: translateY(-2px);
  border-color: var(--sakura-300);
  box-shadow: var(--shadow-card-hover);
}

.countdown-box:hover::before {
  opacity: 1;
}

.countdown-value {
  font-family: var(--font-mono);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.countdown-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.countdown-kanji {
  font-family: var(--font-jp);
  font-size: 11px;
  color: var(--sakura-400);
  margin-top: 2px;
}

/* --- Progress Bar --- */
.countdown-progress-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 4px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1;
}

.progress-track {
  width: 100%;
  height: 8px;
  background: var(--sakura-50);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-sakura);
  border-radius: var(--radius-full);
  transition: width 1s ease-in-out;
  position: relative;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-top: var(--space-2);
  padding: 0 var(--space-2);
}

/* --- Dual Timezone Clocks --- */
.clocks-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.clock-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-xs);
  transition: all var(--duration-normal) var(--ease-standard);
}

.clock-card:hover {
  transform: translateY(-2px);
  border-color: var(--sakura-200);
  box-shadow: var(--shadow-md);
}

.clock-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.clock-flag {
  font-size: 24px;
}

.clock-city {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.clock-tz {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.clock-time-display {
  text-align: right;
}

.clock-time {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.clock-date {
  font-size: 11px;
  color: var(--text-muted);
}

/* --- Section Titles --- */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-top: var(--space-6);
}

.section-title-group {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.section-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.section-kanji {
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 500;
  color: var(--sakura-500);
  background: var(--sakura-50);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
}

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

/* --- Video Showcase Card --- */
.video-showcase-card {
  max-width: 580px;
  margin: 0 auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-standard);
}

.video-showcase-card:hover {
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-card-hover);
}

.video-player-wrapper {
  position: relative;
  width: 100%;
  background: #05070a;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  max-height: 326px;
}

.japan-video {
  width: 100%;
  height: 100%;
  max-height: 326px;
  object-fit: contain;
  background: #05070a;
}

.video-controls-bottom {
  background: var(--bg-card-subtle);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.video-btn-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.video-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  transition: all var(--duration-fast) var(--ease-standard);
  cursor: pointer;
}

.video-tab-btn:hover {
  background: var(--sakura-50);
  border-color: var(--sakura-300);
  color: var(--sakura-600);
}

.video-tab-btn.active {
  background: var(--gradient-sakura);
  color: var(--text-inverted);
  border-color: transparent;
  box-shadow: var(--shadow-button);
}

.video-caption-text {
  font-size: 12px;
  color: var(--text-muted);
}

/* --- Flight Card / Boarding Pass --- */
.flight-pass-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.flight-ticket {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
}

.flight-ticket:hover {
  transform: translateY(-2px);
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-card-hover);
}

/* Flight Header */
.flight-ticket-header {
  background: linear-gradient(90deg, #f8fafd 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.airline-badge {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.airline-logo-box {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--lot-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.airline-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--lot-blue);
}

.flight-number-badge {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  background: var(--lot-blue-soft);
  color: var(--lot-blue);
  border: 1px solid var(--lot-blue-border);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.flight-type-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-pill);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Flight Body */
.flight-ticket-body {
  padding: var(--space-6);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-6);
  position: relative;
}

.flight-endpoint {
  display: flex;
  flex-direction: column;
}

.flight-endpoint.dest {
  text-align: right;
  align-items: flex-end;
}

.flight-endpoint.origin {
  text-align: left;
  align-items: flex-start;
}

.airport-code {
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.airport-time {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--sakura-600);
  margin-top: var(--space-1);
}

.plus-day-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--sakura-600);
  background: var(--sakura-100);
  border-radius: var(--radius-xs);
  padding: 1px 5px;
  margin-left: 4px;
  vertical-align: middle;
}

.airport-city {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--space-1);
}

.airport-name {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.flight-center-track {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 180px;
  max-width: 260px;
  width: 100%;
}

.flight-duration {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.flight-plane-track-wrapper {
  width: 100%;
  position: relative;
  margin: var(--space-2) 0;
}

.flight-nonstop-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--green);
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-top: var(--space-2);
}

/* Flight Footer */
.flight-ticket-footer {
  background: var(--bg-card-subtle);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.flight-date-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.flight-aircraft {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 3px 10px;
  border-radius: var(--radius-xs);
}

/* --- Booking Info / PNR Card --- */
.booking-control-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.booking-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.pnr-box-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pnr-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.pnr-code-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pnr-code {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--sakura-700);
  background: var(--sakura-50);
  border: 1px dashed var(--sakura-300);
  padding: 4px 14px;
  border-radius: var(--radius-sm);
  user-select: all;
}

.copy-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--duration-fast) var(--ease-standard);
}

.copy-btn:hover {
  background: var(--sakura-50);
  border-color: var(--sakura-300);
  color: var(--sakura-600);
}

.booking-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.btn-primary {
  background: var(--gradient-sakura);
  color: var(--text-inverted);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-button);
  transition: all var(--duration-fast) var(--ease-standard);
}

.btn-primary:hover {
  box-shadow: var(--shadow-button-hover);
  transform: translateY(-1px);
}

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

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-card);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--duration-fast) var(--ease-standard);
}

.btn-secondary:hover {
  background: var(--sakura-50);
  border-color: var(--sakura-300);
  color: var(--sakura-600);
  transform: translateY(-1px);
}

/* --- Future Modules Grid (Modular Extension) --- */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.module-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  box-shadow: var(--shadow-xs);
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
}

.module-card.placeholder {
  opacity: 0.78;
  background: #fdfafb;
  border-style: dashed;
}

.module-card:hover {
  transform: translateY(-2px);
  border-color: var(--sakura-300);
  box-shadow: var(--shadow-md);
  opacity: 1;
}

.module-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.module-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--sakura-50);
  color: var(--sakura-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.module-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-pill);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.module-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.module-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* --- Footer --- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: var(--space-6) 0;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-link {
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease-standard);
}

.footer-link:hover {
  color: var(--sakura-600);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 900px) {
  .hero-card {
    padding: var(--space-6);
  }

  .countdown-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .clocks-grid {
    grid-template-columns: 1fr;
  }

  .flight-ticket-body {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    text-align: center;
  }

  .flight-endpoint.dest,
  .flight-endpoint.origin {
    text-align: center;
    align-items: center;
  }

  .flight-center-track {
    max-width: 100%;
    margin: var(--space-2) 0;
  }

  .booking-control-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .booking-actions {
    width: 100%;
  }

  .btn-primary, .btn-secondary {
    flex: 1;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .video-showcase-card {
    max-width: 100%;
    border-radius: var(--radius-md);
  }

  .video-tabs-bar {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .video-tabs-group {
    width: 100%;
    display: flex;
    gap: 6px;
  }

  .video-tab-btn {
    flex: 1;
    justify-content: center;
    padding: 8px 10px;
    font-size: 11px;
    text-align: center;
  }

  .video-meta-badge {
    align-self: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 28px;
  }

  .countdown-value {
    font-size: 34px;
  }

  .container {
    padding: 0 var(--space-4);
  }
}