/* MedVentures Interactive Dissection Guide — Student Styles */

:root {
  --mv-teal:  #006769;
  --mv-green: #40A578;
  --mv-lime:  #9DDE8B;
  --mv-yellow:#E6FF94;
  --mv-mint:  #CCFFCC;
  --mv-bg:    #020c0c;
  --mv-bg2:   #041a14;
  --mv-card:  rgba(0,0,0,0.35);
  --mv-border:rgba(64,165,120,0.25);
  --mv-text:  #CCFFCC;
  --mv-radius:16px;
}

/* ── RESET ── */
.mvdg-wrap *, .mvdg-wrap *::before, .mvdg-wrap *::after { box-sizing: border-box; }
.mvdg-wrap { font-family: 'Georgia', 'Times New Roman', serif; color: var(--mv-text); line-height: 1.6; }
.mvdg-wrap p { margin: 0 0 8px; }
.mvdg-wrap h1,.mvdg-wrap h2,.mvdg-wrap h3 { font-weight: normal; }

/* ── OUTER WRAP ── */
.mvdg-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px 100px;
  background: linear-gradient(135deg, var(--mv-bg) 0%, var(--mv-bg2) 40%, #06200f 100%);
  min-height: 100vh;
  position: relative;
}

/* ── HEADER ── */
.mvdg-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 0 16px;
  border-bottom: 1px solid var(--mv-border);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.mvdg-logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 2px solid var(--mv-green);
  box-shadow: 0 0 16px rgba(64,165,120,0.25);
  flex-shrink: 0;
}
.mvdg-header-text { flex: 1; }
.mvdg-label {
  display: block;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--mv-lime);
  text-transform: uppercase;
  margin-bottom: 3px;
  font-family: 'Courier New', monospace;
}
.mvdg-title {
  margin: 0;
  font-size: 20px;
  color: var(--mv-yellow);
}
.mvdg-organ-badge {
  background: rgba(64,165,120,0.12);
  border: 1px solid var(--mv-green);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 12px;
  color: var(--mv-lime);
}
.mvdg-organ-badge select {
  background: transparent;
  border: none;
  color: var(--mv-lime);
  font-size: 12px;
  cursor: pointer;
  outline: none;
}

/* ── SEARCH ── */
.mvdg-search-wrap {
  position: relative;
  margin-bottom: 16px;
}
.mvdg-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  color: var(--mv-green);
}
#mvdg-search {
  width: 100%;
  padding: 11px 40px 11px 42px;
  background: rgba(0,103,105,0.12);
  border: 1px solid var(--mv-border);
  border-radius: 12px;
  color: var(--mv-text);
  font-size: 14px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}
#mvdg-search:focus { border-color: var(--mv-green); }
#mvdg-search::placeholder { color: rgba(204,255,204,0.3); }
#mvdg-search-clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--mv-lime);
  cursor: pointer;
  font-size: 18px;
  padding: 0;
}
.mvdg-search-results {
  background: rgba(4,26,20,0.97);
  border: 1px solid var(--mv-green);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 16px;
}
.mvdg-search-result-item {
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  background: rgba(64,165,120,0.08);
  margin-bottom: 6px;
  border: 1px solid rgba(64,165,120,0.15);
  transition: background 0.2s;
}
.mvdg-search-result-item:hover { background: rgba(64,165,120,0.18); }
.mvdg-search-result-item strong { display: block; color: var(--mv-yellow); margin-bottom: 3px; }
.mvdg-search-result-item span { font-size: 12px; color: rgba(204,255,204,0.6); }

/* ── TABS ── */
.mvdg-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.mvdg-tabs::-webkit-scrollbar { display: none; }
.mvdg-tab {
  flex-shrink: 0;
  padding: 9px 16px;
  border-radius: 10px;
  border: 1px solid var(--mv-border);
  background: rgba(255,255,255,0.03);
  color: rgba(204,255,204,0.5);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
  font-family: inherit;
  white-space: nowrap;
}
.mvdg-tab.active, .mvdg-tab:hover {
  border-color: var(--mv-green);
  background: rgba(64,165,120,0.18);
  color: var(--mv-yellow);
}

/* ── PANELS ── */
.mvdg-panel { display: none; }
.mvdg-panel.active { display: block; }

/* ── CARDS ── */
.mvdg-card {
  background: var(--mv-card);
  border: 1px solid var(--mv-border);
  border-radius: var(--mv-radius);
  padding: 20px;
  margin-bottom: 16px;
  backdrop-filter: blur(10px);
}

/* ── SVG VIEWER ── */
.mvdg-svg-viewer .mvdg-label { margin-bottom: 14px; }
.mvdg-svg-container { text-align: center; }
.mvdg-heart-svg {
  width: 100%;
  max-width: 480px;
  filter: drop-shadow(0 0 24px rgba(64,165,120,0.33));
}
.mvdg-organ-img { max-width: 100%; border-radius: 12px; }

.mvdg-hotspot {
  cursor: pointer;
  transition: opacity 0.2s;
}
.mvdg-hotspot:hover { opacity: 1 !important; }

.mvdg-part-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.mvdg-part-btn {
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 11px;
  border: 1px solid var(--mv-border);
  background: rgba(0,0,0,0.3);
  color: rgba(204,255,204,0.5);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}
.mvdg-part-btn.active, .mvdg-part-btn:hover {
  border-color: var(--mv-lime);
  background: rgba(157,222,139,0.18);
  color: var(--mv-yellow);
}

/* ── INFO PANEL ── */
.mvdg-info-panel { transition: border-color 0.3s, background 0.3s; }
.mvdg-info-panel.has-content {
  border-color: var(--mv-green);
  background: rgba(0,103,105,0.15);
}
.mvdg-info-placeholder { text-align: center; padding: 30px 0; }
.mvdg-info-placeholder-icon { font-size: 40px; margin-bottom: 12px; }
.mvdg-info-placeholder p { color: rgba(204,255,204,0.4); font-size: 14px; }

.mvdg-info-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.mvdg-info-emoji { font-size: 36px; }
.mvdg-info-header h2 { margin: 0; font-size: 22px; color: var(--mv-yellow); }
.mvdg-close-btn {
  margin-left: auto;
  background: rgba(64,165,120,0.15);
  border: 1px solid var(--mv-border);
  border-radius: 8px;
  color: var(--mv-lime);
  cursor: pointer;
  padding: 5px 10px;
  font-size: 12px;
  font-family: inherit;
}
.mvdg-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.mvdg-info-card {
  background: rgba(0,0,0,0.3);
  border-radius: 12px;
  padding: 14px;
  border: 1px solid rgba(64,165,120,0.15);
}
.mvdg-info-card-label {
  font-size: 10px;
  color: var(--mv-lime);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-family: 'Courier New', monospace;
}
.mvdg-info-card p { margin: 0; font-size: 13px; color: var(--mv-text); }

/* ── STEPS ── */
.mvdg-progress-card { padding: 16px; }
.mvdg-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
#mvdg-step-counter { font-size: 12px; color: var(--mv-yellow); }
.mvdg-progress-bar {
  height: 4px;
  background: rgba(64,165,120,0.2);
  border-radius: 4px;
  overflow: hidden;
}
.mvdg-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--mv-teal), var(--mv-green), var(--mv-lime));
  border-radius: 4px;
  transition: width 0.4s ease;
}
.mvdg-step-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.mvdg-step-nav::-webkit-scrollbar { display: none; }
.mvdg-step-nav-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 2px solid var(--mv-border);
  background: transparent;
  color: rgba(204,255,204,0.3);
  cursor: pointer;
  font-size: 13px;
  font-weight: bold;
  font-family: inherit;
  transition: all 0.2s;
}
.mvdg-step-nav-btn.active {
  border-color: var(--mv-lime);
  background: rgba(157,222,139,0.18);
  color: var(--mv-yellow);
}
.mvdg-step-nav-btn.done {
  border-color: var(--mv-green);
  background: rgba(64,165,120,0.1);
  color: var(--mv-lime);
}
.mvdg-step-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.mvdg-step-number {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--mv-teal), var(--mv-green));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  color: var(--mv-yellow);
  flex-shrink: 0;
  box-shadow: 0 0 20px rgba(64,165,120,0.25);
}
.mvdg-step-title { margin: 0; font-size: 20px; color: var(--mv-yellow); }
.mvdg-step-img { width: 100%; border-radius: 12px; margin-bottom: 14px; }
.mvdg-video-wrap { margin-bottom: 14px; border-radius: 12px; overflow: hidden; }
.mvdg-video-wrap iframe, .mvdg-video-wrap video { width: 100%; height: 240px; border: none; }
.mvdg-step-instruction p { font-size: 14px; color: var(--mv-text); line-height: 1.8; }
.mvdg-tip-box {
  background: rgba(230,255,148,0.07);
  border: 1px solid rgba(230,255,148,0.2);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 20px;
}
.mvdg-tip-box .mvdg-label { color: var(--mv-yellow); margin-bottom: 8px; }
.mvdg-tip-box p { margin: 0; font-size: 13px; color: rgba(230,255,148,0.8); }
.mvdg-step-buttons { display: flex; gap: 10px; }
.mvdg-btn-primary, .mvdg-btn-secondary {
  flex: 1;
  padding: 12px;
  border-radius: 12px;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid var(--mv-green);
}
.mvdg-btn-primary {
  background: linear-gradient(135deg, var(--mv-teal), var(--mv-green));
  color: var(--mv-yellow);
  font-weight: bold;
  box-shadow: 0 0 20px rgba(64,165,120,0.25);
}
.mvdg-btn-secondary {
  background: rgba(64,165,120,0.1);
  color: var(--mv-lime);
}
.mvdg-btn-primary:disabled, .mvdg-btn-secondary:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  box-shadow: none;
}

/* ── CHECKLIST ── */
.mvdg-checklist-header {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border-color: var(--mv-green);
  background: rgba(0,103,105,0.12);
}
.mvdg-progress-ring-wrap svg { width: 64px; height: 64px; flex-shrink: 0; }
.mvdg-ring-bg { fill: none; stroke: rgba(64,165,120,0.15); stroke-width: 4; }
.mvdg-ring-fill {
  fill: none;
  stroke: var(--mv-green);
  stroke-width: 4;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dashoffset 0.5s ease;
}
.mvdg-ring-text { font-size: 11px; fill: var(--mv-yellow); font-family: 'Georgia', serif; }
.mvdg-checklist-count { font-size: 18px; color: var(--mv-yellow); margin-bottom: 4px; }
.mvdg-checklist-count .mvdg-label { display: inline; }
#mvdg-checklist-msg { font-size: 12px; color: rgba(204,255,204,0.5); margin: 0; }
.mvdg-reset-btn {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--mv-border);
  border-radius: 8px;
  color: rgba(204,255,204,0.4);
  cursor: pointer;
  padding: 6px 12px;
  font-size: 11px;
  font-family: inherit;
}
.mvdg-check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 4px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(157,222,139,0.12);
  transition: all 0.2s;
  user-select: none;
}
.mvdg-check-item.checked {
  background: rgba(64,165,120,0.14);
  border-color: var(--mv-green);
}
.mvdg-checkbox {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 2px solid rgba(157,222,139,0.4);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
  font-size: 11px;
  color: var(--mv-teal);
  font-weight: bold;
}
.mvdg-check-item.checked .mvdg-checkbox {
  border-color: var(--mv-lime);
  background: var(--mv-lime);
}
.mvdg-check-label {
  font-size: 13px;
  color: rgba(204,255,204,0.6);
  transition: all 0.2s;
}
.mvdg-check-item.checked .mvdg-check-label {
  color: var(--mv-mint);
  text-decoration: line-through;
}

/* ── MISTAKES ── */
.mvdg-warning-banner {
  background: rgba(255,71,87,0.08);
  border: 1px solid rgba(255,71,87,0.3);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 16px;
  font-size: 13px;
  color: rgba(255,150,150,0.9);
  line-height: 1.6;
}
.mvdg-mistake-card { border-color: rgba(255,71,87,0.2); }
.mvdg-mistake-header { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
.mvdg-warning-icon {
  font-size: 20px;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,71,87,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.mvdg-mistake-card h3 { margin: 0; font-size: 15px; color: #ff8a8a; }
.mvdg-mistake-card p { font-size: 13px; color: rgba(204,255,204,0.7); }

/* ── CLINICAL ── */
.mvdg-clinical-intro {
  background: rgba(0,103,105,0.12);
  border-color: rgba(64,165,120,0.3);
  font-size: 13px;
  color: rgba(204,255,204,0.7);
  line-height: 1.7;
}
.mvdg-clinical-card {
  border-left: 3px solid var(--mv-green);
}
.mvdg-clinical-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.mvdg-clinical-icon { font-size: 24px; }
.mvdg-clinical-card h3 { margin: 0; font-size: 17px; color: var(--mv-yellow); }
.mvdg-clinical-card p { margin: 0; font-size: 13px; color: rgba(204,255,204,0.75); line-height: 1.75; }
.mvdg-clinical-img { width: 100%; border-radius: 10px; margin-bottom: 12px; }

/* ── BOTTOM NAV ── */
.mvdg-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(2,12,12,0.96);
  border-top: 1px solid var(--mv-border);
  backdrop-filter: blur(20px);
  display: flex;
  z-index: 1000;
}
.mvdg-nav-btn {
  flex: 1;
  padding: 12px 4px 10px;
  background: transparent;
  border: none;
  border-top: 2px solid transparent;
  color: rgba(204,255,204,0.35);
  cursor: pointer;
  font-size: 10px;
  font-family: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  transition: all 0.2s;
}
.mvdg-nav-btn span:first-child { font-size: 18px; }
.mvdg-nav-btn.active {
  color: var(--mv-lime);
  border-top-color: var(--mv-green);
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--mv-green); border-radius: 4px; }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .mvdg-header { gap: 10px; }
  .mvdg-title { font-size: 16px; }
  .mvdg-info-grid { grid-template-columns: 1fr; }
  .mvdg-step-buttons { flex-direction: column; }
}

/* ── ANIMATIONS ── */
@keyframes hotspotPulse {
  0%, 100% { opacity: 0.7; }
  50%       { opacity: 1; }
}
.mvdg-hotspot-ring { animation: hotspotPulse 2s ease-in-out infinite; }