/* ==========================================================================
   TOEIC MASTER LAYOUT — layout.css
   Containers, 2-Column Exam Room, Sticky Sidebars, Result Dashboard
   ========================================================================== */

/* Main Page Container */
.container {
  width: 100%;
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Hero Section (Index Page) ── */
.hero-section {
  padding: 60px 0 40px;
  text-align: center;
  position: relative;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 36px;
}

/* Mode Selection Tabs */
.mode-tabs {
  display: inline-flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  padding: 6px;
  border-radius: var(--radius-xl);
  margin-bottom: 40px;
  box-shadow: var(--shadow-sm);
}

.mode-tab-btn {
  padding: 10px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.mode-tab-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 2px 10px var(--accent-primary-glow);
}

/* Tests Grid */
.tests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

/* ── Exam Workspace Layout (exam.html) ── */
.exam-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: start;
  padding: 24px 0 80px;
}

.exam-content-col {
  min-width: 0; /* Prevents overflow */
}

/* Sticky Palette Sidebar */
.exam-sidebar-col {
  position: sticky;
  top: 90px;
  max-height: calc(100vh - 110px);
  display: flex;
  flex-direction: column;
}

/* Exam Top Bar Controls */
.exam-top-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

.exam-timer {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-secondary);
}

.exam-timer.warning {
  color: var(--warning);
  animation: pulseGlow 1.5s infinite;
}

.exam-timer.danger {
  color: var(--danger);
  animation: pulseGlow 0.8s infinite;
}

/* ── Result Screen Layout (result.html) ── */
.result-hero {
  text-align: center;
  padding: 40px 20px;
  margin-bottom: 36px;
}

.score-circle-wrap {
  width: 180px;
  height: 180px;
  margin: 0 auto 24px;
  border-radius: var(--radius-full);
  background: conic-gradient(var(--accent-primary) 0%, var(--accent-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 32px var(--accent-primary-glow);
  padding: 8px;
}

.score-circle-inner {
  width: 100%;
  height: 100%;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.score-val {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-primary);
}

.score-max {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 600;
}

.part-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.part-stat-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 16px;
}

.part-progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 10px;
}

.part-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--radius-full);
}