/* ============================================
   Ladder Visualization - Horizontal Timeline
   ============================================ */

/* Main ladder container */
.ladder {
  padding: var(--space-8) 0;
}

/* Horizontal timeline wrapper */
.ladder__timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-8) var(--space-4);
}

@media (min-width: 1024px) {
  .ladder__timeline {
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-12) var(--space-8);
  }
}

/* Main horizontal line (desktop) */
.ladder__line {
  display: none;
}

@media (min-width: 1024px) {
  .ladder__line {
    display: block;
    position: absolute;
    top: calc(var(--space-12) + 40px);
    left: 10%;
    right: 10%;
    height: 3px;
    background: linear-gradient(
      90deg,
      var(--tier-1) 0%,
      var(--tier-2) 16%,
      var(--tier-3) 33%,
      var(--tier-4) 50%,
      var(--tier-5) 75%,
      var(--tier-6) 100%
    );
    border-radius: var(--radius-full);
    z-index: 0;
  }
}

/* Tier node wrapper */
.ladder__tier {
  position: relative;
  z-index: 1;
}

/* Mobile: no connecting lines - cleaner look */
@media (max-width: 1023px) {
  .ladder__tier::before,
  .ladder__tier::after {
    display: none;
  }
}

/* Tier node/card */
.ladder__node {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--bg-secondary);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-2xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  width: 140px;
  min-height: 160px;
  text-align: center;
}

@media (min-width: 1024px) {
  .ladder__node {
    width: 120px;
    min-height: 150px;
    margin: 0 var(--space-4);
  }
}

.ladder__node:hover {
  transform: translateY(-4px);
  border-color: var(--tier-color, var(--magenta-primary));
  box-shadow:
    var(--shadow-lg),
    0 0 30px var(--tier-glow, var(--magenta-glow));
}

.ladder__node:focus-visible {
  outline: none;
  border-color: var(--tier-color, var(--magenta-primary));
  box-shadow:
    0 0 0 3px var(--bg-primary),
    0 0 0 5px var(--tier-color, var(--magenta-primary));
}

/* Tier number circle */
.ladder__number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 2px solid var(--tier-color, var(--border-secondary));
  border-radius: var(--radius-full);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--tier-color, var(--text-primary));
  transition: all var(--transition-fast);
}

.ladder__node:hover .ladder__number {
  background: var(--tier-color, var(--magenta-primary));
  color: white;
  box-shadow: 0 0 20px var(--tier-glow, var(--magenta-glow));
}

/* Tier name */
.ladder__name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  line-height: var(--leading-tight);
}

/* Tier short description */
.ladder__desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: var(--leading-snug);
}

/* Tier-specific colors */
.ladder__tier[data-tier="step-1"] .ladder__node {
  --tier-color: var(--tier-1);
  --tier-glow: var(--tier-1-glow);
}

.ladder__tier[data-tier="step-2"] .ladder__node {
  --tier-color: var(--tier-2);
  --tier-glow: var(--tier-2-glow);
}

.ladder__tier[data-tier="step-3"] .ladder__node {
  --tier-color: var(--tier-3);
  --tier-glow: var(--tier-3-glow);
}

.ladder__tier[data-tier="step-4"] .ladder__node {
  --tier-color: var(--tier-4);
  --tier-glow: var(--tier-4-glow);
}

.ladder__tier[data-tier="step-5"] .ladder__node {
  --tier-color: var(--tier-5);
  --tier-glow: var(--tier-5-glow);
}

.ladder__tier[data-tier="step-6"] .ladder__node {
  --tier-color: var(--tier-6);
  --tier-glow: var(--tier-6-glow);
}

/* === BENCH BRANCH === */

.ladder__branch {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1;
}

@media (min-width: 1024px) {
  .ladder__branch {
    flex-direction: row;
    align-items: flex-start;
    padding-bottom: 180px; /* Space for absolutely-positioned bench below */
  }

  .ladder__branch::before {
    display: none; /* No connector on desktop */
  }
}

/* Bench container */
.ladder__bench-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: var(--space-4);
}

@media (min-width: 1024px) {
  .ladder__bench-wrapper {
    position: absolute;
    top: calc(100% + var(--space-8));
    left: 50%;
    transform: translateX(-50%);
    margin-top: 0;
  }
}

/* Bench vertical connector line */
.ladder__bench-connector {
  width: 3px;
  height: var(--space-8);
  background: var(--tier-bench);
  border-radius: var(--radius-full);
}

@media (max-width: 1023px) {
  /* Bench stays nested inside step-4's tier on mobile */
  .ladder__bench-wrapper {
    margin-top: var(--space-4);
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  /* Hide all connectors on mobile */
  .ladder__bench-connector,
  .ladder__branch::before {
    display: none;
  }
}

/* Bench node special styling */
.ladder__tier[data-tier="bench"] .ladder__node {
  --tier-color: var(--tier-bench);
  --tier-glow: var(--tier-bench-glow);
  border-style: dashed;
}

.ladder__tier[data-tier="bench"] .ladder__number {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
}

/* Branch label */
.ladder__branch-label {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-xs);
  color: var(--text-muted);
  white-space: nowrap;
}

@media (min-width: 1024px) {
  .ladder__branch-label {
    left: calc(100% + var(--space-2));
  }
}

/* === ARROWS (Desktop only) === */

@media (min-width: 1024px) {
  .ladder__arrow {
    position: absolute;
    top: calc(var(--space-12) + 36px);
    width: 12px;
    height: 12px;
    border-right: 3px solid var(--magenta-primary);
    border-top: 3px solid var(--magenta-primary);
    transform: rotate(45deg);
    opacity: 0.6;
  }

  .ladder__tier:not(:last-child) .ladder__arrow {
    right: -10px;
  }
}

/* === PARTNER INDICATOR === */

.ladder__partner-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  background: var(--magenta-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  box-shadow: 0 0 15px var(--magenta-glow-strong);
}

/* === LEGEND === */

.ladder__legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding: var(--space-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
}

.ladder__legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.ladder__legend-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
}

.ladder__legend-dot--1 { background: var(--tier-1); }
.ladder__legend-dot--2 { background: var(--tier-2); }
.ladder__legend-dot--3 { background: var(--tier-3); }
.ladder__legend-dot--4 { background: var(--tier-4); }
.ladder__legend-dot--5 { background: var(--tier-5); }
.ladder__legend-dot--6 { background: var(--tier-6); }
.ladder__legend-dot--bench { background: var(--tier-bench); }

/* === CLICK INSTRUCTION === */

.ladder__instruction {
  text-align: center;
  margin-bottom: var(--space-6);
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.ladder__instruction-icon {
  display: inline-block;
  margin-right: var(--space-2);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* === RESPONSIVE STACKING ORDER === */

@media (max-width: 1023px) {
  .ladder__timeline {
    /* Reverse order for mobile: 1 at bottom, 6 at top */
    flex-direction: column-reverse;
    gap: var(--space-2); /* Small gap between items */
  }

  /* Bench stays with step-4 (nested inside) - no reordering needed */
}