/* =========================================
   ECE MOTION SYSTEM — Animations & Effects
   ========================================= */

/* --- Page Load Transition --- */
body {
  animation: pageLoad 0.6s ease-out;
}

@keyframes pageLoad {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Scroll Reveal (fade-up on scroll) --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for children */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Reveal from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Reveal from right */
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale in */
.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* --- Navbar Animation --- */
.home-navbar {
  animation: navSlideDown 0.5s ease-out;
}

@keyframes navSlideDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.home-navbar .nav-link {
  position: relative;
  transition: color 0.3s ease, transform 0.2s ease;
}

.home-navbar .nav-link:hover {
  transform: translateY(-2px);
}

.home-navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--ece-blue);
  transition: width 0.3s ease, left 0.3s ease;
  border-radius: 2px;
}

.home-navbar .nav-link:hover::after,
.home-navbar .nav-link.active::after {
  width: 80%;
  left: 10%;
}

/* --- Hero Section Animation --- */
.home-hero-content,
.page-header-content {
  animation: heroFadeUp 0.8s ease-out 0.2s both;
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.home-hero-greeting {
  animation: heroFadeUp 0.8s ease-out 0.3s both;
}

.home-hero-title {
  animation: heroFadeUp 0.8s ease-out 0.5s both;
}

.home-hero-dept {
  animation: heroFadeUp 0.8s ease-out 0.7s both;
}

/* --- Login Page Animations --- */
.login-logo-area {
  animation: loginLogoIn 0.8s ease-out 0.1s both;
}

@keyframes loginLogoIn {
  from {
    opacity: 0;
    transform: scale(0.8) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.login-card {
  animation: loginCardIn 0.7s ease-out 0.3s both;
}

@keyframes loginCardIn {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* --- Quick Action Cards — Hover Effects --- */
.home-action-card {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.3s ease,
              border-color 0.3s ease;
}

.home-action-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.12);
  border-color: var(--ece-blue);
}

.home-action-card:active {
  transform: translateY(-2px) scale(0.99);
  transition-duration: 0.1s;
}

.home-action-icon {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.home-action-card:hover .home-action-icon {
  transform: scale(1.15) rotate(-5deg);
}

.home-action-arrow {
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0.4;
}

.home-action-card:hover .home-action-arrow {
  transform: translateX(6px);
  opacity: 1;
}

/* --- ECE Cards — Hover & Reveal --- */
.ece-card {
  transition: transform 0.3s ease,
              box-shadow 0.3s ease,
              border-color 0.3s ease;
}

.ece-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

/* --- Room Select Cards --- */
.room-select-card {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.3s ease,
              border-color 0.3s ease;
}

.room-select-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 8px 24px rgba(111, 223, 254, 0.18);
}

.btn-check:checked + .room-select-card {
  animation: roomSelected 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes roomSelected {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* --- Buttons — Hover Effects --- */
.ece-btn-primary,
.login-btn,
.btn-view-all {
  transition: transform 0.2s ease,
              box-shadow 0.3s ease,
              background-color 0.3s ease;
}

.ece-btn-primary:hover,
.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(111, 223, 254, 0.35);
}

.ece-btn-primary:active,
.login-btn:active {
  transform: translateY(0) scale(0.98);
  transition-duration: 0.1s;
}

/* --- Table Row Hover --- */
.table tbody tr {
  transition: background-color 0.25s ease, transform 0.2s ease;
}

.table tbody tr:hover {
  background-color: rgba(111, 223, 254, 0.06) !important;
}

/* --- Badge / Pill Pulse --- */
.badge {
  transition: transform 0.2s ease;
}

.badge:hover {
  transform: scale(1.08);
}

/* --- Form Inputs Focus Animation --- */
.login-form-input,
.ece-form-input {
  transition: border-color 0.3s ease,
              box-shadow 0.3s ease,
              transform 0.2s ease;
}

.login-form-input:focus,
.ece-form-input:focus {
  transform: translateY(-1px);
}

/* --- Calendar Specific Animations --- */

/* Room filter pills */
.cal-room-pill {
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cal-room-pill:hover {
  transform: translateY(-2px) scale(1.05);
}

.cal-room-pill.active {
  animation: pillActivate 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes pillActivate {
  0% { transform: scale(1); }
  50% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

/* View toggle buttons */
.cal-view-btn {
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.cal-view-btn.active {
  animation: viewActivate 0.3s ease;
}

@keyframes viewActivate {
  from { transform: scale(0.9); opacity: 0.5; }
  to { transform: scale(1); opacity: 1; }
}

/* Date nav buttons */
.cal-date-nav-btn {
  transition: all 0.2s ease;
}

.cal-date-nav-btn:hover {
  transform: scale(1.15);
}

.cal-date-nav-btn:active {
  transform: scale(0.9);
}

/* Calendar events hover */
.fc-event {
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.3s ease;
}

.fc-event:hover {
  transform: scale(1.04) translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
  z-index: 10 !important;
}

/* --- My Bookings — Status Tabs --- */
.ece-tab {
  transition: all 0.3s ease;
  position: relative;
}

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

.ece-tab.active {
  animation: tabActivate 0.3s ease;
}

@keyframes tabActivate {
  from { transform: scale(0.95); }
  to { transform: scale(1); }
}

/* --- Booking Form Steps --- */
.ece-card-header h5 .step-badge {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.ece-card:hover .step-badge {
  transform: scale(1.2) rotate(-10deg);
}

/* --- Purpose Buttons --- */
.ece-purpose-btn {
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.ece-purpose-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

/* --- Day Checkboxes --- */
.ece-day-check {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ece-day-check:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

/* --- Recent Bookings Card --- */
.home-recent-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.home-recent-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

/* --- Admin Approval Cards --- */
.ece-booking-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ece-booking-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* --- Floating Action Button Pulse --- */
@keyframes floatPulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* --- Loading Shimmer (for skeleton states) --- */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.shimmer {
  background: linear-gradient(90deg,
    #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* --- Smooth Page Transitions (for HTMX) --- */
.htmx-swapping {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.htmx-settling {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

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