/* ==========================================================================
   MIRAI Retro-Anime (City Pop) Stylesheet
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  --black: #0f121d;
  --blue: #1b75d9;
  --blue-glow: #0050c8;
  --red: #ff3b30;
  --yellow: #ffd500;
  --pink: #ff4081;
  --teal: #00d2b4;
  --cream: #fcfbfa;
  --cream-dark: #f0edeb;
  --overlay-dark: rgba(15, 18, 29, 0.4);
  
  --font-display: 'Space Grotesk', sans-serif;
  --font-retro: 'VT323', monospace;
  --font-sans: 'Outfit', sans-serif;
}

/* --- Base Resets & Layout --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--black);
  color: var(--black);
  overflow-x: hidden;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  position: relative;
}

/* --- CRT Screen & Scanline Simulation --- */
.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, rgba(0,0,0,0) 80%);
  pointer-events: none;
  z-index: 9999;
}

.crt-scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.15) 50%
  );
  background-size: 100% 4px;
  pointer-events: none;
  z-index: 9998;
}

.crt-vignette {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.4);
  pointer-events: none;
  z-index: 9997;
}

/* --- Background Video Fit (Centred, scaled crop to prevent edge gaps) --- */
.video-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 1;
  overflow: hidden;
}

.video-container video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100% !important;
  height: 100% !important;
  min-width: 100% !important;
  min-height: 100% !important;
  max-width: none !important;
  max-height: none !important;
  object-fit: cover !important;
  transform: translate(-50%, -50%) scale(1.05);
  filter: contrast(1.05) saturate(1.1) brightness(0.9);
}

/* On landscape screens where black sidebars would be visible, scale up to crop them out */
@media (min-aspect-ratio: 4/3) {
  .video-container video {
    transform: translate(-50%, -50%) scale(1.36);
  }
}

/* Overlay color mask to merge video with the color theme */
.video-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-dark);
  mix-blend-mode: multiply;
  pointer-events: none;
}

/* --- Application Layout Wrapper --- */
.app-wrapper {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  justify-content: space-between;
  overflow-y: auto;
}

/* --- Header Styling --- */
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  width: 100%;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.japanese-logo {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 2.2rem;
  color: #fff;
  text-shadow: 
    -2px -2px 0 var(--black),  
     2px -2px 0 var(--black),
    -2px  2px 0 var(--black),
     2px  2px 0 var(--black),
     0 0 10px var(--blue),
     0 0 20px var(--pink);
  letter-spacing: -2px;
}

.english-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--yellow);
  text-shadow: 
    -2px -2px 0 var(--black),  
     2px -2px 0 var(--black),
    -2px  2px 0 var(--black),
     2px  2px 0 var(--black);
  transform: skewX(-10deg);
  letter-spacing: 1px;
}

/* Social Buttons */
.header-socials {
  display: flex;
  gap: 1rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--cream);
  color: var(--black);
  border: 3px solid var(--black);
  box-shadow: 3px 3px 0px var(--black);
  text-decoration: none;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.social-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--black);
  background: var(--yellow);
}

.social-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px var(--black);
}

/* --- Main Screens Area --- */
.main-content {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  width: 100%;
}

/* Screen Transitions */
.screen {
  display: none;
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  width: 100%;
  max-width: 1200px;
}

.screen.active {
  display: flex;
  opacity: 1;
  transform: scale(1);
}

/* --- SCREEN 1: Hero Container --- */
#hero-screen {
  justify-content: center;
}

.hero-container {
  background: rgba(252, 251, 250, 0.9);
  backdrop-filter: blur(10px);
  border: 4px solid var(--black);
  box-shadow: 10px 10px 0px var(--black);
  padding: 3rem 4rem;
  max-width: 680px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  position: relative;
}

.hero-container::before {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
  border: 1px solid var(--cream);
  pointer-events: none;
}

.retro-badge {
  font-family: var(--font-retro);
  font-size: 1.5rem;
  background-color: var(--black);
  color: var(--yellow);
  padding: 4px 12px;
  border: 2px solid var(--yellow);
  letter-spacing: 2px;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.title-sub {
  font-family: var(--font-retro);
  font-size: 1.8rem;
  color: var(--pink);
  letter-spacing: 3px;
  text-shadow: 1px 1px 0 var(--black);
}

.title-main {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3.5rem;
  line-height: 1;
  color: var(--blue);
  text-shadow: 
    -2px -2px 0 var(--black),  
     2px -2px 0 var(--black),
    -2px  2px 0 var(--black),
     2px  2px 0 var(--black),
     4px 4px 0px var(--pink);
}

.hero-desc {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  line-height: 1.6;
  color: #3f4756;
}

/* Floating Animations */
.animate-float {
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

/* --- Retro Tactile Buttons --- */
.retro-btn {
  position: relative;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
  display: inline-block;
  outline: none;
}

.retro-btn .btn-text {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 1px;
  padding: 14px 28px;
  color: var(--black);
  border: 4px solid var(--black);
  position: relative;
  z-index: 2;
  transition: transform 0.1s ease;
}

.retro-btn .btn-shadow {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 4px solid var(--black);
  z-index: 1;
}

/* Primary Button Design (Vivid Red / Yellow accent) */
.btn-primary .btn-text {
  background-color: var(--red);
  color: white;
  transform: translate(-6px, -6px);
}
.btn-primary .btn-shadow {
  background-color: var(--yellow);
}

.btn-primary:hover .btn-text {
  transform: translate(-8px, -8px);
}

.btn-primary:active .btn-text {
  transform: translate(2px, 2px);
}

/* Secondary Button Design (Cream / Pink shadow) */
.btn-secondary .btn-text {
  background-color: var(--cream-dark);
  color: var(--black);
  transform: translate(-4px, -4px);
}
.btn-secondary .btn-shadow {
  background-color: var(--pink);
}

.btn-secondary:hover .btn-text {
  transform: translate(-6px, -6px);
}

.btn-secondary:active .btn-text {
  transform: translate(2px, 2px);
}

/* Accent Button (Teal / Yellow shadow) */
.btn-accent .btn-text {
  background-color: var(--teal);
  color: var(--black);
  transform: translate(-4px, -4px);
}
.btn-accent .btn-shadow {
  background-color: var(--yellow);
}

.btn-accent:hover .btn-text {
  transform: translate(-6px, -6px);
}

.btn-accent:active .btn-text {
  transform: translate(2px, 2px);
}

/* --- SCREEN 2: Whitelist Form OS Window --- */
#form-screen {
  justify-content: center;
}

.retro-window {
  background: rgba(252, 251, 250, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 4px solid var(--black);
  box-shadow: 12px 12px 0px var(--black);
  width: 100%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* OS Title Bar */
.window-header {
  background: var(--blue);
  color: white;
  border-bottom: 4px solid var(--black);
  padding: 0.5rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.window-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.window-controls {
  display: flex;
  gap: 0.25rem;
}

.win-btn {
  width: 22px;
  height: 22px;
  background: var(--cream);
  border: 2px solid var(--black);
  color: var(--black);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 1.5px 1.5px 0px var(--black);
}

.win-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 0px 0px 0px var(--black);
}

.win-close:hover {
  background: var(--red);
  color: white;
}

/* Window Workspace Body */
.window-body {
  padding: 1.5rem;
  position: relative;
  min-height: 380px;
}

/* Progress Tracker */
.progress-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.progress-bar-wrapper {
  flex-grow: 1;
  height: 20px;
  background-color: var(--cream-dark);
  border: 3px solid var(--black);
  position: relative;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--teal);
  border-right: 3px solid var(--black);
  transition: width 0.3s ease;
}

.progress-text {
  font-family: var(--font-retro);
  font-size: 1.3rem;
  font-weight: 700;
  white-space: nowrap;
}

/* Form Styles */
.form-steps-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.step-num {
  font-family: var(--font-retro);
  font-size: 1.3rem;
  color: var(--pink);
  background: var(--black);
  color: var(--yellow);
  padding: 0px 4px;
}

.form-group label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

/* Row containing Simulated Button and Input */
.social-action-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 0.75rem;
}

.single-action-row {
  display: block;
  width: 100%;
}

.single-action-row .action-btn-link {
  width: 100%;
  text-align: center;
  padding: 12px;
  font-size: 0.95rem;
}

.action-btn-link.clicked {
  background-color: var(--teal) !important;
  color: var(--black) !important;
  border-color: var(--black) !important;
  box-shadow: 2px 2px 0px var(--black) !important;
  transform: none !important;
}

.action-btn-link {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--cream-dark);
  border: 3px solid var(--black);
  padding: 8px 12px;
  text-decoration: none;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--black);
  box-shadow: 2px 2px 0px var(--black);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.action-btn-link:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--black);
  background-color: var(--yellow);
}

.action-btn-link:active {
  transform: translate(1px, 1px);
  box-shadow: 0px 0px 0px var(--black);
}

/* Input Fields styling */
.input-wrapper {
  display: flex;
  position: relative;
  width: 100%;
}

.input-prefix {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--black);
  color: var(--yellow);
  border: 3px solid var(--black);
  border-right: none;
  padding: 0 10px;
  font-weight: 700;
  font-size: 1rem;
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border: 3px solid var(--black);
  outline: none;
  background: white;
  transition: border-color 0.2s;
}

.form-group input:focus {
  background-color: #f7f9ff;
  border-color: var(--blue);
}

/* Input error state styling */
.form-group.invalid input {
  border-color: var(--red);
  background-color: #fff5f5;
}

.field-error-msg {
  display: none;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--red);
  font-weight: 600;
  margin-top: 2px;
}

.form-group.invalid .field-error-msg {
  display: block;
}

.form-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 1.5rem;
}

/* --- Form Overlays (Loader & Success states) --- */
.form-state-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(252, 251, 250, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.form-state-overlay.hidden {
  display: none;
}

/* Loading Box */
.loader-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 400px;
  gap: 1rem;
  text-align: center;
}

.loader-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--red);
  letter-spacing: 2px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.loader-tape {
  display: flex;
  gap: 1.5rem;
  font-size: 2.2rem;
  background: var(--black);
  padding: 8px 24px;
  border-radius: 4px;
  border: 3px solid var(--black);
  box-shadow: 4px 4px 0 var(--pink);
}

.reel-spin {
  animation: spin 2s linear infinite;
  color: var(--yellow);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.terminal-text-feed {
  background-color: var(--black);
  color: var(--teal);
  font-family: var(--font-retro);
  font-size: 1.2rem;
  text-align: left;
  width: 100%;
  padding: 10px 14px;
  border: 3px solid var(--black);
  height: 110px;
  overflow-y: hidden;
  line-height: 1.3;
}

/* Success Box */
.success-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
  width: 100%;
}

.success-icon-badge {
  font-family: var(--font-retro);
  font-size: 1.5rem;
  background-color: var(--teal);
  color: var(--black);
  border: 3px solid var(--black);
  padding: 6px 16px;
  box-shadow: 4px 4px 0 var(--black);
  transform: rotate(-3deg);
}

.success-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--blue);
  text-shadow: 2px 2px 0 var(--yellow);
}

.success-details p {
  font-size: 0.95rem;
  color: #3f4756;
  margin-bottom: 1rem;
}

.receipt-card {
  background: white;
  border: 3px dashed var(--black);
  padding: 1rem;
  width: 100%;
  max-width: 380px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.receipt-row span {
  font-family: var(--font-display);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 220px;
}

.text-teal { color: var(--teal); }
.text-yellow { color: var(--blue); } /* fallback visually pleasing */

/* OS Window footer status bar */
.window-status-bar {
  background: var(--cream-dark);
  border-top: 4px solid var(--black);
  padding: 0.25rem 1rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: #5d687a;
  font-weight: 600;
}

/* --- Walkman/Audio Floating Widget --- */
.bottom-widgets {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 100;
}

.walkman-widget {
  cursor: pointer;
  transition: transform 0.2s ease;
}

.walkman-widget:hover {
  transform: translateY(-4px);
}

.walkman-body {
  width: 140px;
  height: 90px;
  background-color: var(--blue);
  border: 4px solid var(--black);
  box-shadow: 6px 6px 0px var(--black);
  position: relative;
  padding: 6px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.walkman-window {
  width: 100%;
  height: 52px;
  background-color: #3f4756;
  border: 3px solid var(--black);
  padding: 4px;
  position: relative;
}

/* Cassette Styling Inside Walkman */
.cassette {
  width: 100%;
  height: 100%;
  background-color: var(--cream-dark);
  border: 1px solid var(--black);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2px;
  position: relative;
}

.cassette-label {
  font-family: var(--font-retro);
  font-size: 0.7rem;
  background-color: var(--pink);
  color: white;
  text-align: center;
  font-weight: bold;
  overflow: hidden;
  white-space: nowrap;
}

.cassette-reels {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding-bottom: 2px;
}

.reel {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
}

.reel-inner {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: white;
  border: 1.5px dashed var(--black);
}

/* Spinnable Animation class (triggered via JS when playing) */
.spinning .reel-inner {
  animation: reelSpin 1.5s linear infinite;
}

@keyframes reelSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Walkman Footer Status */
.walkman-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-retro);
  font-size: 0.8rem;
  color: var(--yellow);
  font-weight: 700;
  letter-spacing: 1px;
}

.walkman-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #555;
  border: 1.5px solid var(--black);
}

/* Active Walkman State */
.walkman-widget.playing .walkman-body {
  box-shadow: 6px 6px 0px var(--pink);
}

.walkman-widget.playing .walkman-led {
  background-color: #ff3b30;
  box-shadow: 0 0 6px #ff3b30;
}

.walkman-widget.playing .btn-play-indicator {
  color: var(--teal);
  animation: pulse 1s alternate infinite;
}

@keyframes pulse {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

/* --- Footer Area --- */
.main-footer {
  text-align: center;
  padding: 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: white;
  text-shadow: 1px 1px 1px var(--black);
  z-index: 5;
}

/* --- Responsive Media Queries --- */

/* Tablet Dimensions */
@media (max-width: 768px) {
  .hero-container {
    padding: 2.5rem 2rem;
    margin: 0 1rem;
  }
  
  .title-main {
    font-size: 2.8rem;
  }
  
  .social-action-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  
  .action-btn-link {
    padding: 10px;
    font-size: 0.85rem;
  }
  
  .main-header {
    padding: 1rem;
  }
}

/* Mobile Dimensions */
@media (max-width: 480px) {
  .title-main {
    font-size: 2.2rem;
  }
  
  .title-sub {
    font-size: 1.3rem;
  }
  
  .japanese-logo {
    font-size: 1.8rem;
  }
  
  .english-logo {
    font-size: 1.1rem;
  }
  
  .hero-desc {
    font-size: 0.95rem;
  }
  
  .retro-window {
    box-shadow: 6px 6px 0px var(--black);
  }
  
  .window-body {
    padding: 1rem;
  }
  
  .bottom-widgets {
    bottom: 1rem;
    right: 1rem;
  }
  
  .walkman-body {
    width: 120px;
    height: 80px;
  }
  
  .walkman-window {
    height: 44px;
  }
}