/**
 * home-screen.css
 * Last modified: v016.334 (2025-01-28)
 * Changes: Full-width video with viewport units edge-to-edge
 */

/* ============================================
   Home Screen - Entry Point
   Video background with Discover/Match/Expand
   ============================================ */

/* Home Screen Container */
.home-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--theme-bg-primary);
  opacity: 1;
  transition: opacity 0.5s ease-out;
}

.home-screen.hidden {
  opacity: 0;
  pointer-events: none;
}

.home-screen.removed {
  display: none;
}

/* Video Background - Full viewport width, no padding */
.home-screen__video-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  /* Ensure no margins or padding */
  margin: 0;
  padding: 0;
}

.home-screen__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  min-width: 100vw;
  min-height: 100vh;
  object-fit: cover;
  object-position: center center;
  opacity: 0;
  animation: homeVideoFadeIn 1.5s ease-out 0.2s forwards;
}

@keyframes homeVideoFadeIn {
  to {
    opacity: 0.3;
  }
}

/* Gradient Overlay - inherits from theme via background color */
/* Slightly lighter opacity (0.6) for more video visibility */
.home-screen__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--theme-bg-primary);
  opacity: 0.6;
}

/* Content Container */
.home-screen__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  gap: 1.5rem;
}

/* Logo Area */
.home-screen__logo {
  opacity: 0;
  transform: translateY(-20px);
  animation: homeLogoFadeIn 0.8s ease-out 0.3s forwards;
  margin-bottom: 1rem;
}

.home-screen__logo-text {
  font-family: 'Josefin Sans', 'Source Sans 3', sans-serif;
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--theme-text-primary);
  text-align: center;
}

.home-screen__version {
  font-family: 'Josefin Sans', 'Source Sans 3', sans-serif;
  font-size: 0.7rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.45);
  text-align: center;
  letter-spacing: 0.1em;
  margin-top: 0.2rem;
}

.home-screen__logo-subtitle {
  font-family: 'Josefin Sans', 'Source Sans 3', sans-serif;
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--theme-text-muted);
  text-align: center;
  margin-top: 0.5rem;
}

/* Navigation Buttons Container */
.home-screen__nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

/* Individual Button */
.home-screen__btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 2rem;
  min-height: 120px;
  /* Semi-transparent background lets video show through subtly */
  background: color-mix(in srgb, var(--theme-bg-secondary) 75%, transparent);
  border: 1px solid var(--theme-border-primary);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.home-screen__btn:nth-child(1) {
  animation: homeBtnFadeIn 0.6s ease-out 0.8s forwards;
}

.home-screen__btn:nth-child(2) {
  animation: homeBtnFadeIn 0.6s ease-out 1.1s forwards;
}

.home-screen__btn:nth-child(3) {
  animation: homeBtnFadeIn 0.6s ease-out 1.4s forwards;
}

.home-screen__btn:hover {
  background: color-mix(in srgb, var(--theme-bg-hover) 80%, transparent);
  border-color: var(--theme-accent-action);
  transform: translateY(-2px);
}

.home-screen__btn:active {
  transform: translateY(0);
  background: var(--theme-bg-active);
}

.home-screen__btn--disabled {
  cursor: not-allowed;
}

/* Disabled button animation - ends at 0.5 opacity instead of 1 */
.home-screen__btn--disabled.home-screen__btn:nth-child(3) {
  animation: homeBtnFadeInDisabled 0.6s ease-out 1.4s forwards;
}

.home-screen__btn--disabled:hover {
  transform: none;
  background: var(--theme-bg-secondary);
  border-color: var(--theme-border-primary);
}

/* Button Icon */
.home-screen__btn-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 0.75rem;
  stroke: var(--theme-text-primary);
  fill: none;
  stroke-width: 1.5;
}

/* Button Text */
.home-screen__btn-title {
  font-family: 'Josefin Sans', 'Source Sans 3', sans-serif;
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--theme-text-primary);
  text-align: center;
  line-height: 1.4;
}

.home-screen__btn-subtitle {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--theme-text-muted);
  margin-top: 0.5rem;
}

.home-screen__btn-progress {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--theme-text-muted);
  margin-top: 0.75rem;
  opacity: 0.8;
}

.home-screen__btn-progress:empty {
  display: none;
}

/* Animations */
@keyframes homeLogoFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes homeBtnFadeInDisabled {
  to {
    opacity: 0.5;
    transform: translateY(0);
  }
}

/* Mobile adjustments */
@media (max-height: 600px) {
  .home-screen__btn {
    min-height: 100px;
    padding: 1rem 1.5rem;
  }
  
  .home-screen__btn-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 0.5rem;
  }
  
  .home-screen__btn-title {
    font-size: 1rem;
  }
  
  .home-screen__logo-text {
    font-size: 1.5rem;
  }
}

/* Very small screens */
@media (max-height: 500px) {
  .home-screen__content {
    gap: 0.75rem;
  }
  
  .home-screen__logo {
    margin-bottom: 0.5rem;
  }
  
  .home-screen__nav {
    gap: 0.75rem;
  }
  
  .home-screen__btn {
    min-height: 80px;
    padding: 0.75rem 1rem;
  }
}