/**
 * NaviCampus UAE — Interactive Tutorial Walkthrough Styles
 * Swiss Graphic Design Architecture (Josef Müller-Brockmann)
 * High-contrast obsidian glass card, chamfered geometry, responsive spotlight.
 */

/* ==========================================================================
   TUTORIAL OVERLAY & SPOTLIGHT
   ========================================================================== */
.tour-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9990;
  pointer-events: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s ease;
}

.tour-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* Dynamic Spotlight Cutout Frame */
.tour-spotlight-frame {
  position: fixed;
  border-radius: 8px;
  box-shadow: 0 0 0 9999px rgba(10, 15, 29, 0.78);
  pointer-events: none;
  z-index: 9992;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  outline: 2px solid #DC2626;
  outline-offset: 4px;
}

/* Pulsing Target Ring */
.tour-spotlight-frame::after {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
  border: 2px solid rgba(220, 38, 38, 0.6);
  border-radius: 12px;
  animation: tour-pulse 2s infinite cubic-bezier(0.25, 1, 0.5, 1);
  pointer-events: none;
}

@keyframes tour-pulse {
  0% {
    transform: scale(0.98);
    opacity: 0.9;
  }
  70% {
    transform: scale(1.08);
    opacity: 0;
  }
  100% {
    transform: scale(1.08);
    opacity: 0;
  }
}

/* ==========================================================================
   TUTORIAL CARD (CHAMFERED OBSIDIAN SWISS CARD)
   ========================================================================== */
.tour-card {
  position: fixed;
  z-index: 9995;
  width: 420px;
  max-width: calc(100vw - 32px);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(220, 38, 38, 0.25);
  color: #F8FAFC;
  padding: 1.5rem 1.75rem 1.4rem;
  box-sizing: border-box;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
}

.tour-card.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Card Header */
.tour-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.tour-badge-cluster {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tour-swiss-cross {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background-color: #DC2626;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: 14px;
  border-radius: 3px;
  line-height: 1;
}

.tour-step-counter {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #F87171;
}

.tour-feature-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  background: rgba(220, 38, 38, 0.15);
  border: 1px solid rgba(220, 38, 38, 0.35);
  color: #FCA5A5;
  border-radius: 3px;
}

.tour-close-btn {
  background: transparent;
  border: none;
  color: #94A3B8;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  font-size: 1rem;
  line-height: 1;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.tour-close-btn:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}

/* Card Body */
.tour-card-title {
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  margin: 0 0 0.5rem 0;
  line-height: 1.25;
}

.tour-card-body {
  font-family: var(--font-sans, 'Plus Jakarta Sans', sans-serif);
  font-size: 0.875rem;
  line-height: 1.6;
  color: #CBD5E1;
  margin: 0 0 1.25rem 0;
}

/* Card Footer Controls */
.tour-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Progress Indicator Dots */
.tour-dots {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.tour-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: all 0.25s ease;
  cursor: pointer;
}

.tour-dot.active {
  width: 18px;
  border-radius: 3px;
  background: #DC2626;
  box-shadow: 0 0 8px rgba(220, 38, 38, 0.6);
}

.tour-dot.completed {
  background: #10B981;
}

/* Nav Action Buttons */
.tour-nav-buttons {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tour-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 1.1rem;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.tour-btn-prev {
  background: rgba(255, 255, 255, 0.06);
  color: #CBD5E1;
  border-color: rgba(255, 255, 255, 0.15);
}

.tour-btn-prev:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
}

.tour-btn-next {
  background: #DC2626;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.4);
}

.tour-btn-next:hover {
  background: #B91C1C;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(220, 38, 38, 0.55);
}

/* Keyboard hint chip */
.tour-kb-hint {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: #64748B;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.tour-kb-hint kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  padding: 0.1rem 0.3rem;
  color: #94A3B8;
}

/* ==========================================================================
   FLOATING INVITE CHIP (FIRST VISIT CALLOUT)
   ========================================================================== */
.tour-invite-chip {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(30px);
  z-index: 8500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(220, 38, 38, 0.4);
  padding: 0.55rem 1.15rem;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  box-shadow: 0 12px 30px -6px rgba(0, 0, 0, 0.4), 0 0 20px rgba(220, 38, 38, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.tour-invite-chip.active {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.tour-invite-chip:hover {
  border-color: #DC2626;
  transform: translateX(-50%) translateY(-2px);
  box-shadow: 0 16px 36px -6px rgba(0, 0, 0, 0.5), 0 0 28px rgba(220, 38, 38, 0.35);
}

.tour-invite-chip .chip-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #DC2626;
  box-shadow: 0 0 10px #DC2626;
  animation: chip-glow 1.5s infinite alternate;
}

@keyframes chip-glow {
  from { opacity: 0.6; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1.2); }
}

.tour-invite-chip .chip-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #FFFFFF;
}

.tour-invite-chip .chip-action {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 800;
  color: #FCA5A5;
  background: rgba(220, 38, 38, 0.2);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
}

.tour-invite-chip .chip-dismiss {
  background: transparent;
  border: none;
  color: #94A3B8;
  font-size: 0.875rem;
  cursor: pointer;
  padding: 0.1rem 0.3rem;
  margin-left: 0.25rem;
}

.tour-invite-chip .chip-dismiss:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   HEADER TOUR TRIGGER BUTTON
   ========================================================================== */
.tutorial-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(220, 38, 38, 0.08);
  color: #DC2626;
  border: 1px solid rgba(220, 38, 38, 0.25);
  padding: 0.45rem 0.85rem;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tutorial-nav-btn:hover {
  background: #DC2626;
  color: #FFFFFF;
  border-color: #DC2626;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
}

.tutorial-nav-btn .tour-btn-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #DC2626;
  transition: background 0.15s ease;
}

.tutorial-nav-btn:hover .tour-btn-dot {
  background: #FFFFFF;
}

/* ==========================================================================
   MOBILE RESPONSIVENESS (< 1024px)
   ========================================================================== */
@media (max-width: 1024px) {
  .tour-card {
    top: auto !important;
    bottom: 78px !important;
    left: 12px !important;
    right: 12px !important;
    width: auto !important;
    max-width: none !important;
    transform: translateY(16px) !important;
    padding: 1.25rem 1.25rem 1.1rem;
  }

  .tour-card.visible {
    transform: translateY(0) !important;
  }

  .tour-card.dock-top {
    top: 64px !important;
    bottom: auto !important;
    transform: translateY(-16px) !important;
  }

  .tour-card.dock-top.visible {
    transform: translateY(0) !important;
  }

  .tour-card-title {
    font-size: 1.1rem;
  }

  .tour-card-body {
    font-size: 0.8125rem;
    margin-bottom: 1rem;
    line-height: 1.5;
  }

  .tour-kb-hint {
    display: none; /* Hide keyboard hints on touch devices */
  }

  .tour-invite-chip {
    bottom: 78px;
    width: calc(100% - 32px);
    justify-content: space-between;
  }
}

@media (max-width: 640px) {
  .tour-feature-tag {
    display: none;
  }

  .tour-card-footer {
    flex-wrap: wrap;
  }

  .tour-dots {
    order: 2;
  }

  .tour-nav-buttons {
    order: 1;
    width: 100%;
    justify-content: space-between;
    margin-bottom: 0.5rem;
  }

  .tour-btn {
    flex: 1;
  }
}