/* PowerPoint-vriendelijke Styling met Gen-Z Vibey Pastel Aesthetic */

:root {
  --font-family: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --color-primary: #0f172a;
  /* Deep slate */
  --color-secondary: #0f766e;
  /* Deep teal */
  --color-accent: #0d9488;
  /* Vibrant teal */
  --color-accent-hover: #0f766e;
  --color-success: #10b981;
  --color-success-light: #ecfdf5;
  --color-error: #ef4444;
  --color-error-light: #fef2f2;
  --border-color: rgba(226, 232, 240, 0.8);
  --border-radius: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.55);
  --glass-shadow: 0 10px 30px -10px rgba(13, 148, 136, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background: linear-gradient(135deg, #f0fdfa 0%, #e6f4f1 50%, #eff6ff 100%);
  color: var(--color-primary);
  line-height: 1.4;
  padding: 2vh 2vw;
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* Sfeervolle pastel-blobs op de achtergrond */
body::before {
  content: "";
  position: absolute;
  top: -10vw;
  right: -10vw;
  width: 45vw;
  height: 45vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
  z-index: 0;
  pointer-events: none;
}

body::after {
  content: "";
  position: absolute;
  bottom: -10vw;
  left: -10vw;
  width: 40vw;
  height: 40vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
  z-index: 0;
  pointer-events: none;
}

.container {
  width: 100%;
  max-width: 900px;
  height: 96vh;
  text-align: center;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--glass-shadow), 0 20px 40px -15px rgba(0, 0, 0, 0.05);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  overflow: hidden;
  z-index: 1;
  /* Boven de mesh blobs */
}

/* Koppen */
h1 {
  font-size: clamp(1.8rem, 4vh, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

h2 {
  font-size: clamp(1.3rem, 3.2vh, 1.8rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

p {
  font-size: clamp(1rem, 2.2vh, 1.15rem);
  color: #4b5563;
}

.subtitle {
  font-size: clamp(1.05rem, 2.4vh, 1.25rem);
  color: #4b5563;
}

/* Oefening Selectielijst (Index) */
.exercise-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0.5rem;
  text-align: left;
  flex: 1;
  justify-content: center;
}

.exercise-card {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-decoration: none;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
}

.exercise-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 12px 20px -8px rgba(139, 92, 246, 0.18);
  background: rgba(255, 255, 255, 0.95);
}

.exercise-card h3 {
  font-size: clamp(1.15rem, 2.8vh, 1.35rem);
  color: var(--color-primary);
  font-weight: 850;
  letter-spacing: -0.02em;
}

.exercise-card p {
  font-size: clamp(0.9rem, 2.2vh, 1.05rem);
  color: #4b5563;
}

/* QR Code & Pin Sectie (Teacher) */
.qr-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5vh;
  padding: 2vh 2vw;
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(12px);
  flex: 1;
  justify-content: center;
}

.qr-split {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 8vw;
  width: 100%;
}

.qr-code-container {
  background: white;
  padding: 1rem;
  border-radius: var(--border-radius);
  box-shadow: 0 10px 25px -5px rgba(139, 92, 246, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  max-height: 25vh;
  max-width: 25vh;
  border: 1px solid var(--border-color);
}

.qr-code-img {
  width: 100%;
  height: 100%;
  max-width: 22vh;
  max-height: 22vh;
  object-fit: contain;
  image-rendering: auto;
}

.pin-code-badge {
  display: flex;
  flex-direction: column;
  gap: 0.5vh;
}

.pin-code {
  font-size: clamp(3rem, 8vh, 5rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

/* Spelerstatistieken in Wachtruimte */
.players-counter {
  font-size: clamp(1.1rem, 2.6vh, 1.3rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 0.5vh;
}

.players-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  max-height: 12vh;
  overflow-y: auto;
  padding: 0.25rem;
  width: 105%;
}

.player-chip {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.1rem;
  border-radius: 30px;
  font-size: clamp(0.85rem, 2.2vh, 0.95rem);
  font-weight: 700;
  color: var(--color-primary);
  box-shadow: 0 4px 6px -2px rgba(139, 92, 246, 0.05);
  animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Knoppen */
.btn {
  font-family: var(--font-family);
  font-size: clamp(1.05rem, 2.4vh, 1.25rem);
  font-weight: 800;
  padding: 0.85rem 2rem;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(30, 27, 75, 0.15);
}

.btn-primary:hover {
  background-color: #110e3d;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 27, 75, 0.25);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(139, 92, 246, 0.2);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.65);
  color: var(--color-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.btn-xl {
  font-size: clamp(1.2rem, 3vh, 1.5rem);
  padding: 1.2vh 2.5rem;
  width: 100%;
}

.btn:disabled {
  background: rgba(226, 232, 240, 0.5) !important;
  color: #94a3b8 !important;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Invoervelden (Student) */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: left;
}

.form-group label {
  font-size: clamp(1rem, 2.3vh, 1.15rem);
  font-weight: 700;
  color: var(--color-primary);
}

.input-field {
  font-family: var(--font-family);
  font-size: clamp(1.15rem, 2.8vh, 1.35rem);
  padding: 0.85rem 1.5rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  outline: none;
  transition: var(--transition);
  width: 100%;
  background: rgba(255, 255, 255, 0.80);
}

.input-field:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
  background: #ffffff;
}

/* Quiz Scherm Layout */
.quiz-box {
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.25rem 2rem;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  gap: 1.5vh;
  overflow: hidden;
}

.question-text {
  font-size: clamp(1.6rem, 4.2vh, 2.4rem);
  font-weight: 900;
  line-height: 1.25;
  color: var(--color-primary);
  margin: 1vh 0;
  letter-spacing: -0.02em;
}

.question-progress {
  font-size: clamp(0.95rem, 2.2vh, 1.1rem);
  color: var(--color-accent);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Mockup-style options list (Student) */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

.option-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.6rem;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1.5px solid var(--border-color);
  border-radius: 16px;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  color: var(--color-primary);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.01);
}

.option-card:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--color-accent);
  transform: translateX(4px);
  box-shadow: 0 8px 16px -6px rgba(13, 148, 136, 0.12);
}

.option-card.selected {
  background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%) !important;
  border-color: var(--color-accent) !important;
  box-shadow: 0 8px 24px -8px rgba(13, 148, 136, 0.25) !important;
}

/* Option letter badges styling */
.option-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(13, 148, 136, 0.1);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-right: 1rem;
  transition: var(--transition);
}

.option-card:hover .option-badge {
  background: var(--color-accent);
  color: white;
}

.option-card.selected .option-badge {
  background: var(--color-secondary);
  color: white;
}

.option-text-val {
  flex-grow: 1;
  font-weight: 600;
  font-size: clamp(1rem, 2.3vh, 1.15rem);
}

.checkmark-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}

.option-card:hover .checkmark-circle {
  border-color: var(--color-accent);
}

.option-card.selected .checkmark-circle {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.checkmark-circle::after {
  content: "✓";
  font-size: 14px;
  font-weight: 900;
  color: transparent;
  transition: var(--transition);
}

.option-card.selected .checkmark-circle::after {
  color: white;
}

/* Resultaten Grafiek (Docent) */
.results-container {
  display: flex;
  flex-direction: column;
  gap: 1.5vh;
  margin-top: 0.5vh;
  flex: 1;
  justify-content: center;
}

.results-stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-box {
  padding: 1.5vh 1rem;
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid var(--glass-border);
}

.stat-box.success {
  border-color: rgba(16, 185, 129, 0.3);
  background-color: var(--color-success-light);
  box-shadow: 0 8px 20px -8px rgba(16, 185, 129, 0.2);
}

.stat-box.error {
  border-color: rgba(239, 68, 68, 0.3);
  background-color: var(--color-error-light);
  box-shadow: 0 8px 20px -8px rgba(239, 68, 68, 0.2);
}

.stat-val {
  font-size: clamp(2rem, 6vh, 3.2rem);
  font-weight: 950;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-box.success .stat-val {
  color: var(--color-success);
}

.stat-box.error .stat-val {
  color: var(--color-error);
}

.stat-lbl {
  font-size: clamp(0.85rem, 2vh, 1rem);
  font-weight: 800;
  color: #4b5563;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.results-bar-chart {
  display: flex;
  flex-direction: column;
  gap: 1.25vh;
}

.chart-bar-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.35vh;
  text-align: left;
}

.chart-bar-label {
  display: flex;
  justify-content: space-between;
  font-weight: 800;
  font-size: clamp(0.95rem, 2.2vh, 1.1rem);
}

.chart-bar-track {
  height: clamp(20px, 3vh, 28px);
  background: rgba(255, 255, 255, 0.6);
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.chart-bar-fill {
  height: 100%;
  border-radius: 30px;
  width: 0%;
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.chart-bar-fill.success {
  background: linear-gradient(90deg, #34d399 0%, var(--color-success) 100%);
}

.chart-bar-fill.error {
  background: linear-gradient(90deg, #f87171 0%, var(--color-error) 100%);
}

/* Feedback Scherm (Student) */
.feedback-box {
  border-radius: 20px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.feedback-box.correct {
  border: 1px solid rgba(16, 185, 129, 0.3);
  background-color: var(--color-success-light);
  box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.15);
}

.feedback-box.incorrect {
  border: 1px solid rgba(239, 68, 68, 0.3);
  background-color: var(--color-error-light);
  box-shadow: 0 10px 25px -5px rgba(239, 68, 68, 0.15);
}

.feedback-icon {
  font-size: 4rem;
  line-height: 1;
}

.feedback-title {
  font-size: 1.8rem;
  font-weight: 900;
}

.feedback-box.correct .feedback-title {
  color: var(--color-success);
}

.feedback-box.incorrect .feedback-title {
  color: var(--color-error);
}

.feedback-text {
  font-size: 1.15rem;
  color: var(--color-primary);
}

.feedback-text strong {
  font-size: 1.2rem;
  text-decoration: underline;
}

/* Animations */
@keyframes popIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Responsive Overrides */
@media (max-width: 600px) {
  body {
    padding: 1rem;
    justify-content: flex-start;
    overflow-y: auto;
  }

  .container {
    padding: 1.25rem;
    gap: 1rem;
    height: auto;
    border-radius: 20px;
  }

  .qr-split {
    flex-direction: column;
    gap: 1.5rem;
  }

  .quiz-box {
    padding: 1.5rem 1.25rem;
    height: auto;
    border-radius: 16px;
  }

  .option-card {
    padding: 0.9rem 1.25rem;
    font-size: 1.05rem;
  }
}

/* Fullscreen Toggle Button Styles */
.fullscreen-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  z-index: 999;
  /* Ensure button stays on top of container contents */
}

.fullscreen-btn:hover {
  background: #ffffff;
  border-color: var(--color-accent);
  box-shadow: 0 6px 15px rgba(13, 148, 136, 0.15);
  transform: translateY(-2px);
}

.fullscreen-btn:active {
  transform: translateY(0) scale(0.95);
}

.fullscreen-icon {
  width: 20px;
  height: 20px;
  color: var(--color-secondary);
  transition: var(--transition);
}

.fullscreen-btn:hover .fullscreen-icon {
  color: var(--color-accent);
}

/* Fullscreen mode layouts styling */
::backdrop {
  background: linear-gradient(135deg, #f0fdfa 0%, #e6f4f1 50%, #eff6ff 100%);
}

:-webkit-full-screen {
  background: linear-gradient(135deg, #f0fdfa 0%, #e6f4f1 50%, #eff6ff 100%);
}

:fullscreen {
  background: linear-gradient(135deg, #f0fdfa 0%, #e6f4f1 50%, #eff6ff 100%);
}

:fullscreen body {
  padding: 0 !important;
}

:fullscreen .container {
  max-width: 100vw !important;
  width: 100vw !important;
  height: 100vh !important;
  max-height: 100vh !important;
  border-radius: 0 !important;
  border: none !important;
  box-shadow: none !important;
  padding: 3rem 5vw !important;
  background: transparent !important;
  backdrop-filter: none !important;
}

/* Lobby loader & spinner styles */
.lobby-loader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.5rem;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.01), var(--glass-shadow);
  width: 100%;
}

.lobby-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(13, 148, 136, 0.1);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  margin-bottom: 1.5rem;
}

.lobby-loader-text {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-secondary);
  letter-spacing: -0.01em;
}

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

/* Question wait screen card styles */
.waiting-answers-card {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2.25rem 2rem;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--glass-shadow);
  animation: premiumEntry 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.waiting-spinner-pulse {
  width: 48px;
  height: 48px;
  background: radial-gradient(circle, var(--color-accent) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  animation: pulseLight 2s infinite ease-in-out;
}

@keyframes pulseLight {
  0% {
    transform: scale(0.85);
    opacity: 0.25;
  }

  50% {
    transform: scale(1.15);
    opacity: 0.75;
  }

  100% {
    transform: scale(0.85);
    opacity: 0.25;
  }
}

.status-waiting-text {
  font-size: clamp(1.05rem, 2.4vh, 1.25rem);
  font-weight: 750;
  color: var(--color-secondary);
}

/* Question Breakdown Cards in completion screen */
.breakdown-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  background: rgba(255, 255, 255, 0.55);
  padding: 0.85rem 1.2rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.015);
  transition: var(--transition);
}

.breakdown-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(13, 148, 136, 0.25);
  box-shadow: 0 8px 20px -8px rgba(13, 148, 136, 0.1);
}

/* Premium Animations */
@keyframes premiumEntry {
  0% {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }

  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}