/**
 * Made2Stick Learning — Official Design System Stylesheet
 * Version: 2.0 (Whiteboard & Practitioner Edition)
 * Based on: MADE2STICK_BRAND_INTELLIGENCE.md & MADE2STICK_DESIGN_SYSTEM.md
 * Principles: Draw It Before You Write It • Practitioner, Not Professor • Whiteboard on Paper Ground
 */

/* ==========================================================================
   1. DESIGN TOKENS & ROOT VARIABLES
   ========================================================================== */
:root {
  /* Surface Ground & Whiteboard Colors */
  --m2s-paper: #F6F7FB;             /* Ground: cool paper in light mode */
  --m2s-board: #FFFFFF;             /* Whiteboard canvas: pure white in both themes */
  --m2s-ink: #16181F;               /* Charcoal marker black: primary text & 3px strokes */
  --m2s-ink-soft: #4B5060;          /* Soft charcoal: secondary text & captions */
  --m2s-line: #D9DCE6;              /* Divider rules, table borders, dashed lines */
  --m2s-chip: #EEF0F7;              /* Background for code labels & path tags */

  /* The Signature Marker Palette */
  --m2s-marker-red: #E71225;        /* Signature focal accent & primary CTAs */
  --m2s-marker-red-ink: #C70F20;    /* Red text for headings & high-emphasis alerts */
  --m2s-marker-blue: #2F5DB8;       /* Secondary structural pen (PM track, hatched charts) */
  --m2s-marker-cyan: #00A0D7;       /* Annotation & focus pen (SAS track, active outlines) */
  --m2s-marker-amber: #D97706;      /* Highlighter pen (warnings, PMP schedule flags) */
  --m2s-marker-green: #16A34A;      /* Validation pen (Clinical SAS, verified checks) */

  /* Typography Stacks */
  --m2s-font-display: 'Caveat Brush', 'Segoe Print', cursive;
  --m2s-font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --m2s-font-code: 'JetBrains Mono', ui-monospace, Consolas, monospace;

  /* Hand-Drawn Wobble Border Physics */
  --m2s-wobble: 255px 18px 225px 18px / 18px 225px 18px 255px;
  --m2s-wobble-2: 18px 240px 20px 220px / 230px 18px 250px 18px;
  --m2s-wobble-subtle: 120px 12px 110px 12px / 12px 110px 12px 120px;
  --m2s-stroke: 3px;
  --m2s-stroke-thin: 2px;

  /* Tactile Hard Offset Shadows (Ink on Paper) */
  --m2s-shadow-btn: 3px 4px 0px var(--m2s-ink);
  --m2s-shadow-btn-hover: 5px 6px 0px var(--m2s-ink);
  --m2s-shadow-card: 5px 6px 0px var(--m2s-ink);
  --m2s-shadow-card-red: 6px 7px 0px var(--m2s-marker-red);
}

/* Dark Mode: The ground shifts to deep blueprint paper; Whiteboards remain illuminated */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --m2s-paper: #12141B;
    --m2s-ink: #ECEEF6;
    --m2s-ink-soft: #A3A9BD;
    --m2s-marker-red-ink: #FF5663;
    --m2s-line: #2C303E;
    --m2s-chip: #1E2130;
    --m2s-marker-blue: #6F97E6;
    --m2s-marker-green: #4ADE80;
    --m2s-marker-amber: #FBBF24;
    --m2s-shadow-btn: 3px 4px 0px #000000;
    --m2s-shadow-card: 5px 6px 0px #000000;
  }
}
:root[data-theme="dark"] {
  --m2s-paper: #12141B;
  --m2s-ink: #ECEEF6;
  --m2s-ink-soft: #A3A9BD;
  --m2s-marker-red-ink: #FF5663;
  --m2s-line: #2C303E;
  --m2s-chip: #1E2130;
  --m2s-marker-blue: #6F97E6;
  --m2s-marker-green: #4ADE80;
  --m2s-marker-amber: #FBBF24;
  --m2s-shadow-btn: 3px 4px 0px #000000;
  --m2s-shadow-card: 5px 6px 0px #000000;
}

/* ==========================================================================
   2. TYPOGRAPHY CLASSES & UTILITIES
   ========================================================================== */
.m2s-font-display {
  font-family: var(--m2s-font-display);
  font-weight: 400;
  line-height: 1.05;
}
.m2s-font-code {
  font-family: var(--m2s-font-code);
}
.m2s-code-label {
  font-family: var(--m2s-font-code);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  background: var(--m2s-chip);
  color: var(--m2s-ink);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--m2s-line);
}
.m2s-code-label .sep {
  color: var(--m2s-marker-red);
  font-weight: 700;
}

/* ==========================================================================
   3. THE WHITEBOARD CARD PRIMITIVE (.m2s-board)
   ========================================================================== */
.m2s-board {
  background: var(--m2s-board);
  color: #16181F; /* Whiteboard text is always crisp charcoal, even in dark mode */
  border: var(--m2s-stroke) solid var(--m2s-ink);
  border-radius: var(--m2s-wobble-2);
  padding: 24px;
  box-shadow: var(--m2s-shadow-card);
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.m2s-board-red {
  border-color: var(--m2s-marker-red);
  box-shadow: var(--m2s-shadow-card-red);
}
.m2s-board-blue {
  border-color: var(--m2s-marker-blue);
  box-shadow: 5px 6px 0px var(--m2s-marker-blue);
}
.m2s-board-green {
  border-color: var(--m2s-marker-green);
  box-shadow: 5px 6px 0px var(--m2s-marker-green);
}
.m2s-board img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ==========================================================================
   4. BUTTONS & FORM ELEMENTS
   ========================================================================== */
.m2s-btn {
  font-family: var(--m2s-font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 22px;
  border-radius: var(--m2s-wobble-subtle);
  border: var(--m2s-stroke) solid var(--m2s-ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  background: var(--m2s-board);
  color: var(--m2s-ink);
  box-shadow: var(--m2s-shadow-btn);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.m2s-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--m2s-shadow-btn-hover);
}
.m2s-btn:active {
  transform: translate(3px, 4px);
  box-shadow: 0 0 0 transparent;
}
.m2s-btn-primary {
  background: var(--m2s-marker-red);
  color: #FFFFFF;
  border-color: var(--m2s-ink);
}
.m2s-btn-primary:hover {
  background: #D01020;
  color: #FFFFFF;
}
.m2s-btn-blue {
  background: var(--m2s-marker-blue);
  color: #FFFFFF;
}
.m2s-btn-blue:hover {
  background: #254B98;
  color: #FFFFFF;
}

/* Form Inputs */
.m2s-input {
  font-family: var(--m2s-font-body);
  font-size: 0.95rem;
  padding: 12px 16px;
  border: var(--m2s-stroke-thin) solid var(--m2s-ink);
  border-radius: var(--m2s-wobble-subtle);
  background: var(--m2s-board);
  color: var(--m2s-ink);
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.m2s-input:focus-visible {
  border-color: var(--m2s-marker-cyan);
  box-shadow: 0 0 0 3px rgba(0, 160, 215, 0.25);
}

/* ==========================================================================
   5. EDUCATIONAL COMPONENTS
   ========================================================================== */

/* 5.1 The 4-Stage Method Strip (SEE -> UNDERSTAND -> PRACTICE -> APPLY) */
.m2s-method-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 3px solid var(--m2s-ink);
  border-bottom: 3px solid var(--m2s-ink);
  background: var(--m2s-board);
  color: #16181F;
  border-radius: var(--m2s-wobble-subtle);
  overflow: hidden;
  margin: 32px 0;
}
.m2s-method-step {
  padding: 20px 18px;
  border-right: 2px dashed var(--m2s-line);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.m2s-method-step:last-child {
  border-right: none;
}
.m2s-method-step .step-num {
  font-family: var(--m2s-font-code);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--m2s-ink-soft);
  text-transform: uppercase;
}
.m2s-method-step .step-title {
  font-family: var(--m2s-font-display);
  font-size: 1.8rem;
  line-height: 1;
}
.m2s-method-step.s1 .step-title { color: var(--m2s-marker-red); }
.m2s-method-step.s2 .step-title { color: var(--m2s-marker-blue); }
.m2s-method-step.s3 .step-title { color: var(--m2s-ink); }
.m2s-method-step.s4 .step-title { color: var(--m2s-marker-cyan); }
.m2s-method-step .step-desc {
  font-size: 0.88rem;
  color: var(--m2s-ink-soft);
  line-height: 1.4;
}
@media (max-width: 768px) {
  .m2s-method-strip {
    grid-template-columns: 1fr 1fr;
  }
  .m2s-method-step:nth-child(2) {
    border-right: none;
  }
  .m2s-method-step:nth-child(-n+2) {
    border-bottom: 2px dashed var(--m2s-line);
  }
}
@media (max-width: 480px) {
  .m2s-method-strip {
    grid-template-columns: 1fr;
  }
  .m2s-method-step {
    border-right: none;
    border-bottom: 2px dashed var(--m2s-line);
  }
  .m2s-method-step:last-child {
    border-bottom: none;
  }
}

/* 5.2 The "Rookie Trap" / Counter-Intuitive Truth Box (.m2s-rookie-trap) */
.m2s-rookie-trap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 28px 0;
}
.m2s-trap-col {
  padding: 20px;
  border-radius: var(--m2s-wobble-subtle);
  border: var(--m2s-stroke-thin) solid var(--m2s-ink);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.m2s-trap-col.trap {
  background: #FFF1F2;
  border-color: var(--m2s-marker-red);
}
.m2s-trap-col.standard {
  background: #F0FDF4;
  border-color: var(--m2s-marker-green);
}
.m2s-trap-header {
  display: flex;
  align-items: center;
  gap: 10px;
}
.m2s-trap-header img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}
.m2s-trap-header h4 {
  font-family: var(--m2s-font-display);
  font-size: 1.35rem;
  margin: 0;
}
.m2s-trap-col.trap h4 { color: var(--m2s-marker-red-ink); }
.m2s-trap-col.standard h4 { color: var(--m2s-marker-green); }
.m2s-trap-body {
  font-size: 0.92rem;
  line-height: 1.5;
  color: #16181F;
}
@media (max-width: 768px) {
  .m2s-rookie-trap {
    grid-template-columns: 1fr;
  }
}

/* 5.3 Interactive Knowledge Checkpoint (.m2s-quiz-card) */
.m2s-quiz-card {
  background: var(--m2s-board);
  color: #16181F;
  border: var(--m2s-stroke) solid var(--m2s-ink);
  border-radius: var(--m2s-wobble-2);
  padding: 24px;
  box-shadow: var(--m2s-shadow-card);
  margin: 32px 0;
}
.m2s-quiz-card .quiz-stem {
  font-family: var(--m2s-font-body);
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.5;
  margin-bottom: 20px;
}
.m2s-quiz-options {
  display: grid;
  gap: 10px;
}
.m2s-quiz-opt {
  padding: 12px 16px;
  border: 2px solid var(--m2s-ink);
  border-radius: 10px;
  background: #FAFAF7;
  cursor: pointer;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.15s ease;
}
.m2s-quiz-opt:hover {
  background: #FFFBEB;
  border-color: var(--m2s-marker-amber);
}
.m2s-quiz-opt.selected-correct {
  background: #F0FDF4;
  border-color: var(--m2s-marker-green);
  font-weight: 600;
}
.m2s-quiz-opt.selected-wrong {
  background: #FFF1F2;
  border-color: var(--m2s-marker-red);
}
.m2s-quiz-opt .opt-letter {
  font-family: var(--m2s-font-code);
  font-weight: 700;
  width: 26px;
  height: 26px;
  border: 2px solid var(--m2s-ink);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}
.m2s-quiz-rationale {
  margin-top: 18px;
  padding: 16px 18px;
  background: #F8FAFC;
  border-left: 4px solid var(--m2s-marker-cyan);
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
  line-height: 1.5;
}

/* ==========================================================================
   6. TECHNICAL LEARNING COMPONENTS (SAS & CLINICAL)
   ========================================================================== */

/* 6.1 SAS Code & Log Terminal View (.m2s-sas-viewer) */
.m2s-sas-viewer {
  background: #0E131F;
  color: #ECEEF6;
  border: var(--m2s-stroke) solid var(--m2s-ink);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--m2s-shadow-card);
  margin: 28px 0;
}
.m2s-sas-header {
  background: #182032;
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid #24304A;
}
.m2s-sas-tabs {
  display: flex;
  gap: 8px;
}
.m2s-sas-tab {
  font-family: var(--m2s-font-code);
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 4px;
  background: transparent;
  color: #94A3B8;
  cursor: pointer;
  border: none;
}
.m2s-sas-tab.active {
  background: #24304A;
  color: #38BDF8;
  font-weight: 600;
}
.m2s-sas-code-pane {
  padding: 20px;
  font-family: var(--m2s-font-code);
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-x: auto;
}
.m2s-sas-code-pane .kw { color: #38BDF8; font-weight: 600; }
.m2s-sas-code-pane .str { color: #4ADE80; }
.m2s-sas-code-pane .cmt { color: #64748B; font-style: italic; }
.m2s-sas-code-pane .proc { color: #F43F5E; font-weight: 700; }
.m2s-sas-log-note { color: #60A5FA; }
.m2s-sas-log-warn { color: #FBBF24; font-weight: 600; }
.m2s-sas-log-err { color: #F43F5E; font-weight: 700; }

/* 6.2 CDISC Clinical Pipeline (.m2s-cdisc-pipeline) */
.m2s-cdisc-pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 28px 0;
}
.m2s-cdisc-stage {
  background: var(--m2s-board);
  color: #16181F;
  border: 2px solid var(--m2s-ink);
  border-radius: var(--m2s-wobble-subtle);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}
.m2s-cdisc-stage .stage-tag {
  font-family: var(--m2s-font-code);
  font-size: 0.72rem;
  color: var(--m2s-marker-green);
  font-weight: 700;
  text-transform: uppercase;
}
.m2s-cdisc-stage h4 {
  font-family: var(--m2s-font-display);
  font-size: 1.4rem;
  margin: 0;
}
.m2s-cdisc-stage p {
  font-size: 0.85rem;
  color: var(--m2s-ink-soft);
  line-height: 1.4;
  margin: 0;
}
@media (max-width: 820px) {
  .m2s-cdisc-pipeline {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 480px) {
  .m2s-cdisc-pipeline {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   7. WORKREADY SIMULATION COMPONENTS (.m2s-workready-hud)
   ========================================================================== */
.m2s-workready-hud {
  background: var(--m2s-board);
  color: #16181F;
  border: var(--m2s-stroke) solid var(--m2s-marker-cyan);
  border-radius: var(--m2s-wobble-2);
  padding: 24px;
  box-shadow: 6px 7px 0px var(--m2s-marker-cyan);
  margin: 32px 0;
}
.m2s-hud-badge-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
}
.m2s-hud-corp {
  font-family: var(--m2s-font-code);
  font-weight: 700;
  font-size: 0.8rem;
  background: #E0F2FE;
  color: #0369A1;
  padding: 4px 10px;
  border-radius: 6px;
}
.m2s-hud-protocol {
  font-family: var(--m2s-font-code);
  font-size: 0.8rem;
  background: #F1F5F9;
  color: #475569;
  padding: 4px 10px;
  border-radius: 6px;
}
.m2s-hud-title {
  font-family: var(--m2s-font-display);
  font-size: 2.2rem;
  margin: 0 0 10px 0;
  color: #0F172A;
}
.m2s-hud-briefing {
  background: #F8FAFC;
  border-left: 4px solid var(--m2s-marker-cyan);
  padding: 16px;
  border-radius: 0 8px 8px 0;
  margin: 16px 0;
  font-size: 0.95rem;
  line-height: 1.6;
}
.m2s-hud-briefing .speaker {
  font-weight: 700;
  color: #0284C7;
  margin-bottom: 4px;
}

/* ==========================================================================
   8. ACCESSIBILITY & MOTION DISCIPLINE
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
:focus-visible {
  outline: 3px solid var(--m2s-marker-cyan) !important;
  outline-offset: 3px !important;
}