@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&family=Outfit:wght@400;700;900&family=Space+Mono&display=swap');

:root {
  --bg-dark: #050505;
  --accent-cyan: #06b6d4;
  --accent-cyan-hover: #0891b2;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.65);
  
  --panel-bg: rgba(255, 255, 255, 0.03);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-border-hover: rgba(255, 255, 255, 0.15);
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset & Mobile Lock */
* { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}

html, body {
  overflow-x: hidden; /* Hard lock horizontal scroll */
  width: 100%;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animations */
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(15px); }
  100% { opacity: 1; transform: translateY(0); }
}

main {
  flex: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  width: 100%;
  animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Header */
header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--panel-border);
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.15em;
  display: flex;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
}

.badge {
  background: rgba(6, 182, 212, 0.08);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.2);
  padding: 3px 8px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  border-radius: 4px;
}

/* Typography */
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

h2 { font-size: 2rem; }
h3 { font-size: 1.2rem; }

p {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Brutalist / Glassmorphic Panels */
.card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 2rem;
  border-radius: 8px;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.card:hover {
  border-color: var(--panel-border-hover);
  background: rgba(255, 255, 255, 0.04);
}

/* Code & Outputs - Strict Word Wrapping */
.code-block {
  font-family: var(--font-mono);
  background: rgba(0, 0, 0, 0.5);
  color: var(--accent-cyan);
  padding: 1.5rem;
  border-radius: 6px;
  border: 1px solid var(--panel-border);
  margin: 1.5rem 0;
  font-size: 0.9rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  padding: 0.85rem 1.75rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  letter-spacing: 0.02em;
  user-select: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent-cyan);
  color: var(--bg-dark);
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.15);
}

.btn-primary:hover {
  background: var(--accent-cyan-hover);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.25);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  background: #333;
  color: #888;
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

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

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Task Layout */
.task-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.task-indicator {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: block;
}

.timer {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--text-primary);
  transition: color 0.4s ease;
  line-height: 1;
  letter-spacing: -0.02em;
}

.timer.warning { color: #f59e0b; }
.timer.danger { color: #ef4444; }

textarea.editor {
  width: 100%;
  height: 300px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--panel-border);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  padding: 1.5rem;
  font-size: 0.95rem;
  resize: vertical;
  outline: none;
  border-radius: 6px;
  transition: var(--transition-smooth);
  line-height: 1.5;
}

textarea.editor:focus {
  border-color: rgba(6, 182, 212, 0.5);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.1);
  background: rgba(0, 0, 0, 0.8);
}

.output-panel {
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid var(--panel-border);
  padding: 1.25rem;
  min-height: 80px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 1rem;
  border-radius: 6px;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  animation: fadeUp 0.4s ease forwards;
}

/* Forms & Survey */
label.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: var(--transition-smooth);
}

label.checkbox-label:hover {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--panel-border);
}

input[type="checkbox"], input[type="radio"] {
  margin-top: 4px;
  cursor: pointer;
  accent-color: var(--accent-cyan);
  width: 16px;
  height: 16px;
}

.radio-group {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sus-question {
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--panel-border);
}

.sus-question p {
  font-weight: 600;
  color: #fff;
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.sus-scale {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  max-width: 600px;
}

.sus-scale label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: center;
  padding: 1rem 0.5rem;
  border-radius: 6px;
  transition: var(--transition-smooth);
}

.sus-scale label:hover {
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .task-layout { 
    grid-template-columns: 1fr; 
    gap: 2rem;
  }
  
  header { padding: 1rem 1.5rem; }
  main { padding: 2rem 1rem; }
  
  h2 { font-size: 1.6rem; }
  .timer { font-size: 3rem; }
  
  .card { padding: 1.5rem; }
  
  .sus-scale {
    grid-template-columns: 1fr;
    gap: 8px;
    align-items: flex-start;
  }
  .sus-scale label {
    flex-direction: row;
    justify-content: flex-start;
    padding: 0.75rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--panel-border);
  }
  .sus-scale label:hover {
    border-color: var(--accent-cyan);
  }
  
  .actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  .btn { width: 100%; }
}

/* Admin Specific */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  background: var(--panel-bg);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(10px);
}

.stat-value {
  font-size: 2.5rem;
  font-family: var(--font-heading);
  color: var(--accent-cyan);
  font-weight: 700;
  line-height: 1.1;
  margin-top: 0.5rem;
}

.admin-table-wrapper {
  width: 100%;
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 800px;
  font-size: 0.9rem;
}

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

.admin-table th {
  font-family: var(--font-heading);
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.admin-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

input[type="password"] {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--panel-border);
  color: #fff;
  padding: 0.85rem 1rem;
  border-radius: 4px;
  width: 100%;
  max-width: 320px;
  font-family: var(--font-body);
  transition: var(--transition-smooth);
  outline: none;
}

input[type="password"]:focus {
  border-color: var(--accent-cyan);
  background: rgba(0, 0, 0, 0.6);
}