/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark: #0a0e17;
  --bg-card: #111827;
  --bg-card-hover: #1a2332;
  --border: #1e3a5f;
  --border-glow: #00d4aa;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #00d4aa;
  --accent-dim: #00a884;
  --danger: #f87171;
  --warning: #fbbf24;
  --success: #34d399;
  --terminal-bg: #0d1117;
  --terminal-text: #3fb950;
  --glow: 0 0 20px rgba(0, 212, 170, 0.15);
  --glow-strong: 0 0 30px rgba(0, 212, 170, 0.35);
  --font-mono: 'Consolas', 'Courier New', monospace;
  --font-sans: 'Segoe UI', system-ui, sans-serif;
  --radius: 12px;
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(0, 212, 170, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(30, 58, 95, 0.2) 0%, transparent 50%);
}

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

.hidden {
  display: none !important;
}

/* ===== Top Bar ===== */
.top-bar {
  padding: 1.25rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-bar__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.top-bar__icon {
  font-size: 1.4rem;
}

.top-bar__title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, var(--accent), #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.top-bar__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.stat strong {
  color: var(--accent);
  font-weight: 600;
}

.stat--player strong {
  color: var(--text);
}

.stat--timer strong {
  color: var(--warning);
}

.screen__rules {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: rgba(30, 58, 95, 0.25);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  text-align: left;
  line-height: 1.5;
}

.screen__rules strong {
  color: var(--warning);
}

/* ===== Lock screen ===== */
.card--locked {
  text-align: center;
  max-width: 480px;
  margin: 2rem auto;
  border-color: var(--danger);
  box-shadow: 0 0 30px rgba(248, 113, 113, 0.15);
}

.lock-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.lock-countdown {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin: 1.25rem 0 1.5rem;
}

.lock-countdown strong {
  color: var(--danger);
  font-family: var(--font-mono);
  font-size: 1.4rem;
}

/* ===== Room timer ===== */
.room-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.room-header .room-panel__title {
  margin-bottom: 0;
}

.room-timer {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.3);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: all var(--transition);
}

.room-timer--warning {
  border-color: var(--warning);
  color: var(--warning);
  background: rgba(251, 191, 36, 0.1);
}

.room-timer--critical {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(248, 113, 113, 0.1);
  animation: pulse 0.8s ease-in-out infinite;
}

.progress-wrap {
  width: 100%;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.progress-bar {
  height: 8px;
  background: rgba(30, 58, 95, 0.5);
  border-radius: 99px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress-bar__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  border-radius: 99px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 12px rgba(0, 212, 170, 0.5);
}

/* ===== Layout ===== */
.layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.5rem;
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  align-items: start;
}

.game-area {
  min-width: 0;
}

/* ===== Cards ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--glow);
  transition: box-shadow var(--transition);
}

.card--welcome {
  text-align: center;
  max-width: 520px;
  margin: 2rem auto;
}

.card--result {
  text-align: center;
  max-width: 640px;
  margin: 1.5rem auto;
  border: 2px solid var(--accent);
  box-shadow:
    var(--glow-strong),
    0 0 60px rgba(0, 212, 170, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
}

.card--result::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.4), rgba(96, 165, 250, 0.2), rgba(0, 212, 170, 0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.card--result-passed {
  border-color: var(--success);
  box-shadow:
    0 0 40px rgba(52, 211, 153, 0.25),
    0 0 80px rgba(0, 212, 170, 0.1);
}

.card--result-extra {
  border-color: rgba(251, 191, 36, 0.5);
  box-shadow:
    0 0 35px rgba(251, 191, 36, 0.12),
    0 0 60px rgba(96, 165, 250, 0.08);
}

/* ===== Screens ===== */
.screen__title {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.screen__subtitle {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

/* ===== Forms ===== */
.welcome-form,
.input-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: left;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.15);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent-dim), var(--accent));
  color: #0a0e17;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 212, 170, 0.35);
}

.btn--hint {
  background: transparent;
  border: 1px solid var(--warning);
  color: var(--warning);
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
}

.btn--hint:hover:not(:disabled) {
  background: rgba(251, 191, 36, 0.1);
  transform: translateY(-1px);
}

.btn--hint:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* ===== Messages ===== */
.message {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
}

.message--error {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--danger);
}

.message--success {
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.3);
  color: var(--success);
}

.message--info {
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.25);
  color: var(--accent);
}

.message--hint {
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.25);
  color: var(--warning);
}

/* ===== Rooms Navigation ===== */
.rooms-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.room-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.85rem 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
  opacity: 0.5;
}

.room-card--active {
  opacity: 1;
  border-color: var(--accent);
  box-shadow: var(--glow-strong);
  animation: pulse 2s ease-in-out infinite;
}

.room-card--completed {
  opacity: 1;
  border-color: var(--success);
  box-shadow: 0 0 15px rgba(52, 211, 153, 0.2);
}

.room-card--unlocked:not(.room-card--active):not(.room-card--completed) {
  opacity: 0.85;
  border-color: rgba(0, 212, 170, 0.4);
}

.room-card__icon {
  font-size: 1.25rem;
}

.room-card__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.room-card__name {
  font-size: 0.8rem;
  font-weight: 600;
}

/* ===== Room Panels ===== */
.room-panel {
  animation: fadeIn 0.4s ease;
}

.room-panel__title {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.room-panel__desc {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.question {
  font-weight: 600;
  margin: 1.25rem 0 1rem;
  font-size: 1rem;
}

/* ===== Data Table ===== */
.data-table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.data-table th,
.data-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background: rgba(30, 58, 95, 0.4);
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.data-table tbody tr:hover {
  background: rgba(0, 212, 170, 0.04);
}

/* ===== Code Block ===== */
.code-block {
  background: var(--terminal-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: #79c0ff;
}

.code-block code {
  white-space: pre;
}

/* ===== Scenario Box ===== */
.scenario-box {
  background: rgba(30, 58, 95, 0.3);
  border-left: 3px solid var(--accent);
  padding: 1rem 1.25rem;
  border-radius: 0 8px 8px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== Answer Cards ===== */
.answers {
  display: grid;
  gap: 0.75rem;
}

.answers--grid {
  grid-template-columns: repeat(2, 1fr);
}

.answers--list {
  grid-template-columns: 1fr;
}

.answer-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
}

.answer-card code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #79c0ff;
  word-break: break-all;
}

.answer-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--glow);
}

.answer-card__letter {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 170, 0.15);
  color: var(--accent);
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.8rem;
}

.answer-card--wide {
  align-items: center;
}

.room-actions {
  margin-top: 1.25rem;
}

/* ===== Result Screen ===== */
.result-badge {
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.85rem;
  position: relative;
  z-index: 1;
  animation: resultBadgePop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s both;
}

.result-badge--passed {
  background: rgba(52, 211, 153, 0.15);
  border: 2px solid var(--success);
  color: var(--success);
  box-shadow: 0 0 25px rgba(52, 211, 153, 0.3);
}

.result-badge--extra {
  background: rgba(251, 191, 36, 0.12);
  border: 2px solid var(--warning);
  color: var(--warning);
  box-shadow: 0 0 20px rgba(251, 191, 36, 0.2);
}

.result__title {
  font-size: 1.85rem;
  background: linear-gradient(135deg, var(--success), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.card--result-extra .result__title {
  background: linear-gradient(135deg, var(--warning), #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result__subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.result-details {
  text-align: left;
  margin-bottom: 1.5rem;
  background: rgba(10, 14, 23, 0.5);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.25rem 1rem;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.result-row--comment {
  flex-direction: column;
  gap: 0.35rem;
}

.result-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.result-value {
  font-weight: 600;
  text-align: right;
}

.result-row--comment .result-value {
  text-align: left;
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.result-value--score {
  font-size: 1.5rem;
  color: var(--accent);
}

.result-value--status {
  padding: 0.2rem 0.75rem;
  border-radius: 99px;
  font-size: 0.85rem;
}

.result-value--status.passed {
  background: rgba(52, 211, 153, 0.15);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.result-value--status.extra {
  background: rgba(251, 191, 36, 0.12);
  color: var(--warning);
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.result-section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.65rem;
  text-align: left;
}

.result-personal {
  text-align: left;
  margin-bottom: 1.25rem;
  padding: 1.1rem 1.25rem;
  background: rgba(0, 212, 170, 0.05);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 10px;
  border-left: 3px solid var(--accent);
}

.result-personal-message {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text);
}

.result-extra-session {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-align: left;
  margin-bottom: 1.25rem;
  padding: 0.9rem 1.1rem;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: 10px;
  color: #fcd34d;
  font-size: 0.9rem;
  line-height: 1.5;
}

.result-extra-session__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.result-extra-session strong {
  color: var(--warning);
}

.result-mentor {
  text-align: left;
  margin-bottom: 1.25rem;
  padding: 1.1rem 1.25rem;
  background: rgba(30, 58, 95, 0.35);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.result-mentor .result-section-title {
  color: #93c5fd;
}

.result-mentor-message {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-muted);
  font-style: italic;
}

.result-closing {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 1.5rem;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

@keyframes resultBadgePop {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ===== Terminal ===== */
.terminal-panel {
  position: sticky;
  top: 120px;
}

.terminal {
  background: var(--terminal-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--glow);
}

.terminal__header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.6rem 0.85rem;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border);
}

.terminal__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal__dot--red { background: #ff5f57; }
.terminal__dot--yellow { background: #febc2e; }
.terminal__dot--green { background: #28c840; }

.terminal__title {
  margin-left: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.terminal__body {
  padding: 0.85rem;
  max-height: 420px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.7;
}

.terminal__line {
  color: var(--terminal-text);
  margin-bottom: 0.15rem;
  animation: fadeIn 0.3s ease;
}

.terminal__line--dim {
  color: #484f58;
}

.terminal__line--error {
  color: var(--danger);
}

.terminal__line--success {
  color: var(--success);
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 1rem 1.5rem 2rem;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 15px rgba(0, 212, 170, 0.25); }
  50% { box-shadow: 0 0 25px rgba(0, 212, 170, 0.45); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

@keyframes successGlow {
  0% { box-shadow: 0 0 0 rgba(52, 211, 153, 0); }
  50% { box-shadow: 0 0 30px rgba(52, 211, 153, 0.4); }
  100% { box-shadow: var(--glow); }
}

@keyframes resultAppear {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease;
}

.shake {
  animation: shake 0.45s ease;
}

.success-glow {
  animation: successGlow 0.8s ease;
}

.result-animate {
  animation: resultAppear 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .terminal-panel {
    position: static;
    order: 2;
  }

  .terminal__body {
    max-height: 200px;
  }

  .rooms-nav {
    grid-template-columns: repeat(2, 1fr);
  }

  .answers--grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .room-header {
    flex-direction: column;
    align-items: stretch;
  }

  .room-timer {
    justify-content: center;
  }

  .top-bar {
    padding: 1rem;
  }

  .top-bar__title {
    font-size: 1rem;
  }

  .layout {
    padding: 1rem;
  }

  .card {
    padding: 1.25rem;
  }

  .result-row {
    flex-direction: column;
    gap: 0.25rem;
  }

  .result-value {
    text-align: left;
  }
}