/* ========================================================
   Screen Dynamic QR Display Styles (Projector / TV Mode)
   ======================================================== */

.screen-body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #060911;
  background-image: 
    radial-gradient(at 50% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 60%),
    radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.1) 0px, transparent 60%);
  color: var(--text-main);
  overflow: hidden;
  user-select: none;
}

/* Screen Top Header */
.screen-header {
  height: 80px;
  padding: 0 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(11, 15, 25, 0.6);
  backdrop-filter: var(--glass-blur);
}

.screen-session-info {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.screen-session-badge {
  padding: 0.35rem 0.85rem;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-light);
}

.screen-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.screen-meta-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.screen-clock {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.screen-counter-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.4rem;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  font-size: 1.1rem;
  font-weight: 700;
  color: #34d399;
}

/* Screen Center Area */
.screen-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
}

.qr-display-card {
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(20px);
  border: 2px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7), 0 0 40px rgba(99, 102, 241, 0.2);
  position: relative;
}

.qr-image-wrapper {
  background: #ffffff;
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.qr-image {
  width: 320px;
  height: 320px;
  display: block;
}

@media (min-height: 850px) {
  .qr-image {
    width: 380px;
    height: 380px;
  }
}

/* Timer Countdown Bar */
.countdown-container {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
}

.countdown-bar-wrap {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.countdown-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #06b6d4, #6366f1);
  border-radius: var(--radius-full);
  transition: width 1s linear;
}

.countdown-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.countdown-seconds {
  color: var(--accent-cyan);
  font-weight: 800;
  font-size: 1.15rem;
}

/* Screen Bottom Guide */
.screen-footer {
  padding: 1.5rem 2rem 2rem;
  text-align: center;
}

.guide-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.75rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 1.05rem;
  color: var(--text-main);
  box-shadow: var(--shadow-md);
}

/* Fullscreen Button */
.btn-fullscreen {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  padding: 0.6rem 0.9rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-fullscreen:hover {
  color: var(--text-main);
  background: rgba(30, 41, 59, 0.9);
}

/* Live Check-in Toast Banner */
.live-toast-banner {
  position: absolute;
  top: 1.5rem;
  background: rgba(16, 185, 129, 0.92);
  backdrop-filter: blur(10px);
  color: #ffffff;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 1.15rem;
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.4);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(-50px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  z-index: 10;
}

.live-toast-banner.show {
  transform: translateY(0);
  opacity: 1;
}

/* ========================================================
   Responsive Media Queries for Screen Mode
   ======================================================== */

@media (max-width: 768px) {
  .screen-header {
    height: auto;
    padding: 0.75rem 1.25rem;
    gap: 0.75rem;
  }

  .screen-meta-right {
    gap: 1rem;
  }

  .screen-clock {
    font-size: 1.15rem;
  }

  .screen-counter-badge {
    font-size: 0.95rem;
    padding: 0.4rem 0.9rem;
  }

  .qr-display-card {
    padding: 1.75rem 1.25rem;
  }

  .qr-image {
    width: min(300px, 70vw);
    height: min(300px, 70vw);
  }

  .guide-pill {
    font-size: 0.9rem;
    padding: 0.6rem 1.25rem;
  }
}

@media (max-width: 520px) {
  .screen-header {
    padding: 0.6rem 0.85rem;
  }

  .screen-session-info {
    gap: 0.6rem;
  }

  .screen-session-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
  }

  .screen-title {
    font-size: 1.1rem;
    max-width: 140px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .screen-meta-right {
    gap: 0.5rem;
  }

  .screen-clock {
    font-size: 0.95rem;
  }

  .screen-counter-badge {
    font-size: 0.82rem;
    padding: 0.3rem 0.65rem;
  }

  .screen-main {
    padding: 1rem 0.5rem;
  }

  .qr-display-card {
    padding: 1.25rem 0.85rem;
    width: 94vw;
  }

  .qr-image-wrapper {
    padding: 0.6rem;
  }

  .qr-image {
    width: min(250px, 66vw);
    height: min(250px, 66vw);
  }

  .countdown-text {
    font-size: 0.85rem;
  }

  .guide-pill {
    font-size: 0.8rem;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-md);
  }

  .btn-fullscreen {
    bottom: 0.75rem;
    right: 0.75rem;
    padding: 0.4rem 0.7rem;
    font-size: 0.75rem;
  }
}