/* ============================================================
   THINKING MASTERY SYSTEM — DESIGN SYSTEM
   Core CSS custom properties, reset, typography, utilities
   ============================================================ */

/* ──────────────────────────────────────────
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ────────────────────────────────────────── */

:root {
  /* ── Background / Surface ── */
  --bg:              #07070f;
  --surface:         #0f0f1a;
  --surface-raised:  #14141f;
  --surface-overlay: #1a1a2e;
  --surface-hover:   rgba(167, 139, 250, 0.06);
  --surface-active:  rgba(167, 139, 250, 0.12);

  /* ── Border ── */
  --border:          rgba(255, 255, 255, 0.07);
  --border-strong:   rgba(255, 255, 255, 0.14);
  --border-accent:   rgba(167, 139, 250, 0.35);

  /* ── Accent Colors ── */
  --accent:          #a78bfa;
  --accent-dim:      #7c5cdb;
  --accent-glow:     rgba(167, 139, 250, 0.25);
  --accent-emerald:  #34d399;
  --accent-gold:     #fbbf24;
  --accent-blue:     #60a5fa;
  --accent-red:      #f87171;
  --accent-orange:   #fb923c;
  --accent-pink:     #f472b6;
  --accent-cyan:     #22d3ee;

  /* ── Text ── */
  --text-primary:    #f1f5f9;
  --text-secondary:  #94a3b8;
  --text-muted:      #475569;
  --text-accent:     #a78bfa;
  --text-inverse:    #07070f;

  /* ── Topic Colors ── */
  --topic-thinking:            #a78bfa;
  --topic-reasoning:           #60a5fa;
  --topic-critical-thinking:   #34d399;
  --topic-strategic-thinking:  #fbbf24;
  --topic-problem-solving:     #f87171;
  --topic-decision-making:     #fb923c;
  --topic-systems-thinking:    #38bdf8;
  --topic-mental-models:       #c084fc;
  --topic-planning:            #4ade80;
  --topic-execution:           #f472b6;
  --topic-focus:               #facc15;
  --topic-productivity:        #22d3ee;
  --topic-consistency:         #86efac;
  --topic-discipline:          #fca5a5;
  --topic-creativity:          #e879f9;
  --topic-learning:            #67e8f9;
  --topic-knowledge-management:#a3e635;
  --topic-reflection:          #fcd34d;
  --topic-judgment:            #d8b4fe;
  --topic-risk-analysis:       #f9a8d4;

  /* ── Typography ── */
  --font-sans:    -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.8125rem;  /* 13px */
  --text-base: 0.9375rem;  /* 15px */
  --text-md:   1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  1.875rem;   /* 30px */
  --text-4xl:  2.25rem;    /* 36px */
  --text-5xl:  3rem;       /* 48px */

  --font-light:    300;
  --font-regular:  400;
  --font-medium:   500;
  --font-semibold: 600;
  --font-bold:     700;

  --leading-tight:  1.25;
  --leading-snug:   1.375;
  --leading-normal: 1.5;
  --leading-relaxed:1.625;
  --leading-loose:  1.75;

  --tracking-tight:  -0.03em;
  --tracking-normal:  0em;
  --tracking-wide:    0.04em;
  --tracking-wider:   0.08em;

  /* ── Spacing (8-point scale) ── */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-7:  32px;
  --space-8:  40px;
  --space-9:  48px;
  --space-10: 64px;
  --space-11: 80px;
  --space-12: 96px;

  /* ── Border Radius ── */
  --radius-sm:   6px;
  --radius:      8px;
  --radius-md:   10px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  20px;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-sm:  0 1px 4px rgba(0, 0, 0, 0.3);
  --shadow:     0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-md:  0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg:  0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-xl:  0 16px 64px rgba(0, 0, 0, 0.6);
  --shadow-accent: 0 0 24px rgba(167, 139, 250, 0.2);
  --shadow-glow:   0 0 40px rgba(167, 139, 250, 0.15);

  /* ── Transitions ── */
  --transition-fast:   0.1s ease;
  --transition:        0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow:   0.5s ease;

  /* ── Z-index scale ── */
  --z-base:    1;
  --z-raised:  10;
  --z-overlay: 50;
  --z-modal:   100;
  --z-toast:   200;
  --z-sidebar: 150;

  /* ── Layout ── */
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 64px;
  --header-height: 64px;
}


/* ──────────────────────────────────────────
   2. RESET & NORMALIZE
   ────────────────────────────────────────── */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-6) 0;
}


/* ──────────────────────────────────────────
   3. BASE TYPOGRAPHY
   ────────────────────────────────────────── */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-md); }

p {
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

strong, b {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

em, i {
  font-style: italic;
}

small {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: rgba(167, 139, 250, 0.1);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(167, 139, 250, 0.2);
}

pre {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background: var(--surface-raised);
  color: var(--text-primary);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow-x: auto;
  line-height: var(--leading-relaxed);
}

pre code {
  background: none;
  color: inherit;
  padding: 0;
  border: none;
  font-size: inherit;
}

blockquote {
  border-left: 3px solid var(--accent);
  padding-left: var(--space-5);
  margin-left: 0;
  color: var(--text-secondary);
  font-style: italic;
}

ul.styled {
  list-style: disc;
  padding-left: var(--space-6);
}

ol.styled {
  list-style: decimal;
  padding-left: var(--space-6);
}

ul.styled li,
ol.styled li {
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

mark {
  background: rgba(251, 191, 36, 0.25);
  color: var(--accent-gold);
  padding: 1px 4px;
  border-radius: 3px;
}


/* ──────────────────────────────────────────
   4. CUSTOM SCROLLBAR
   ────────────────────────────────────────── */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--surface);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.22);
}

::-webkit-scrollbar-corner {
  background: var(--surface);
}

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.12) transparent;
}


/* ──────────────────────────────────────────
   5. SELECTION STYLING
   ────────────────────────────────────────── */

::selection {
  background: rgba(167, 139, 250, 0.35);
  color: var(--text-primary);
}

::-moz-selection {
  background: rgba(167, 139, 250, 0.35);
  color: var(--text-primary);
}


/* ──────────────────────────────────────────
   6. FOCUS VISIBLE
   ────────────────────────────────────────── */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px var(--accent-glow);
  border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
  outline: none;
}


/* ──────────────────────────────────────────
   7. TEXT UTILITIES
   ────────────────────────────────────────── */

.text-primary   { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted     { color: var(--text-muted) !important; }
.text-accent    { color: var(--accent) !important; }
.text-emerald   { color: var(--accent-emerald) !important; }
.text-gold      { color: var(--accent-gold) !important; }
.text-blue      { color: var(--accent-blue) !important; }
.text-red       { color: var(--accent-red) !important; }
.text-orange    { color: var(--accent-orange) !important; }
.text-pink      { color: var(--accent-pink) !important; }
.text-cyan      { color: var(--accent-cyan) !important; }

.text-xs   { font-size: var(--text-xs) !important; }
.text-sm   { font-size: var(--text-sm) !important; }
.text-base { font-size: var(--text-base) !important; }
.text-md   { font-size: var(--text-md) !important; }
.text-lg   { font-size: var(--text-lg) !important; }
.text-xl   { font-size: var(--text-xl) !important; }
.text-2xl  { font-size: var(--text-2xl) !important; }
.text-3xl  { font-size: var(--text-3xl) !important; }
.text-4xl  { font-size: var(--text-4xl) !important; }

.font-light    { font-weight: var(--font-light) !important; }
.font-regular  { font-weight: var(--font-regular) !important; }
.font-medium   { font-weight: var(--font-medium) !important; }
.font-semibold { font-weight: var(--font-semibold) !important; }
.font-bold     { font-weight: var(--font-bold) !important; }

.text-left   { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right  { text-align: right !important; }

.leading-tight   { line-height: var(--leading-tight) !important; }
.leading-normal  { line-height: var(--leading-normal) !important; }
.leading-relaxed { line-height: var(--leading-relaxed) !important; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.uppercase  { text-transform: uppercase !important; }
.lowercase  { text-transform: lowercase !important; }
.capitalize { text-transform: capitalize !important; }

.tracking-wide   { letter-spacing: var(--tracking-wide) !important; }
.tracking-wider  { letter-spacing: var(--tracking-wider) !important; }


/* ──────────────────────────────────────────
   8. TOPIC COLOR UTILITIES
   ────────────────────────────────────────── */

.text-topic-thinking            { color: var(--topic-thinking) !important; }
.text-topic-reasoning           { color: var(--topic-reasoning) !important; }
.text-topic-critical-thinking   { color: var(--topic-critical-thinking) !important; }
.text-topic-strategic-thinking  { color: var(--topic-strategic-thinking) !important; }
.text-topic-problem-solving     { color: var(--topic-problem-solving) !important; }
.text-topic-decision-making     { color: var(--topic-decision-making) !important; }
.text-topic-systems-thinking    { color: var(--topic-systems-thinking) !important; }
.text-topic-mental-models       { color: var(--topic-mental-models) !important; }
.text-topic-planning            { color: var(--topic-planning) !important; }
.text-topic-execution           { color: var(--topic-execution) !important; }
.text-topic-focus               { color: var(--topic-focus) !important; }
.text-topic-productivity        { color: var(--topic-productivity) !important; }
.text-topic-consistency         { color: var(--topic-consistency) !important; }
.text-topic-discipline          { color: var(--topic-discipline) !important; }
.text-topic-creativity          { color: var(--topic-creativity) !important; }
.text-topic-learning            { color: var(--topic-learning) !important; }
.text-topic-knowledge-management{ color: var(--topic-knowledge-management) !important; }
.text-topic-reflection          { color: var(--topic-reflection) !important; }
.text-topic-judgment            { color: var(--topic-judgment) !important; }
.text-topic-risk-analysis       { color: var(--topic-risk-analysis) !important; }

.bg-topic-thinking            { background-color: var(--topic-thinking) !important; }
.bg-topic-reasoning           { background-color: var(--topic-reasoning) !important; }
.bg-topic-critical-thinking   { background-color: var(--topic-critical-thinking) !important; }
.bg-topic-strategic-thinking  { background-color: var(--topic-strategic-thinking) !important; }
.bg-topic-problem-solving     { background-color: var(--topic-problem-solving) !important; }
.bg-topic-decision-making     { background-color: var(--topic-decision-making) !important; }
.bg-topic-systems-thinking    { background-color: var(--topic-systems-thinking) !important; }
.bg-topic-mental-models       { background-color: var(--topic-mental-models) !important; }
.bg-topic-planning            { background-color: var(--topic-planning) !important; }
.bg-topic-execution           { background-color: var(--topic-execution) !important; }
.bg-topic-focus               { background-color: var(--topic-focus) !important; }
.bg-topic-productivity        { background-color: var(--topic-productivity) !important; }
.bg-topic-consistency         { background-color: var(--topic-consistency) !important; }
.bg-topic-discipline          { background-color: var(--topic-discipline) !important; }
.bg-topic-creativity          { background-color: var(--topic-creativity) !important; }
.bg-topic-learning            { background-color: var(--topic-learning) !important; }
.bg-topic-knowledge-management{ background-color: var(--topic-knowledge-management) !important; }
.bg-topic-reflection          { background-color: var(--topic-reflection) !important; }
.bg-topic-judgment            { background-color: var(--topic-judgment) !important; }
.bg-topic-risk-analysis       { background-color: var(--topic-risk-analysis) !important; }

.border-topic-thinking            { border-color: var(--topic-thinking) !important; }
.border-topic-reasoning           { border-color: var(--topic-reasoning) !important; }
.border-topic-critical-thinking   { border-color: var(--topic-critical-thinking) !important; }
.border-topic-strategic-thinking  { border-color: var(--topic-strategic-thinking) !important; }
.border-topic-problem-solving     { border-color: var(--topic-problem-solving) !important; }
.border-topic-decision-making     { border-color: var(--topic-decision-making) !important; }
.border-topic-systems-thinking    { border-color: var(--topic-systems-thinking) !important; }
.border-topic-mental-models       { border-color: var(--topic-mental-models) !important; }
.border-topic-planning            { border-color: var(--topic-planning) !important; }
.border-topic-execution           { border-color: var(--topic-execution) !important; }
.border-topic-focus               { border-color: var(--topic-focus) !important; }
.border-topic-productivity        { border-color: var(--topic-productivity) !important; }
.border-topic-consistency         { border-color: var(--topic-consistency) !important; }
.border-topic-discipline          { border-color: var(--topic-discipline) !important; }
.border-topic-creativity          { border-color: var(--topic-creativity) !important; }
.border-topic-learning            { border-color: var(--topic-learning) !important; }
.border-topic-knowledge-management{ border-color: var(--topic-knowledge-management) !important; }
.border-topic-reflection          { border-color: var(--topic-reflection) !important; }
.border-topic-judgment            { border-color: var(--topic-judgment) !important; }
.border-topic-risk-analysis       { border-color: var(--topic-risk-analysis) !important; }

/* Topic background as tint (alpha) */
.bg-topic-thinking-tint            { background-color: rgba(167, 139, 250, 0.1) !important; }
.bg-topic-reasoning-tint           { background-color: rgba(96, 165, 250, 0.1) !important; }
.bg-topic-critical-thinking-tint   { background-color: rgba(52, 211, 153, 0.1) !important; }
.bg-topic-strategic-thinking-tint  { background-color: rgba(251, 191, 36, 0.1) !important; }
.bg-topic-problem-solving-tint     { background-color: rgba(248, 113, 113, 0.1) !important; }
.bg-topic-decision-making-tint     { background-color: rgba(251, 146, 60, 0.1) !important; }
.bg-topic-systems-thinking-tint    { background-color: rgba(56, 189, 248, 0.1) !important; }
.bg-topic-mental-models-tint       { background-color: rgba(192, 132, 252, 0.1) !important; }
.bg-topic-planning-tint            { background-color: rgba(74, 222, 128, 0.1) !important; }
.bg-topic-execution-tint           { background-color: rgba(244, 114, 182, 0.1) !important; }
.bg-topic-focus-tint               { background-color: rgba(250, 204, 21, 0.1) !important; }
.bg-topic-productivity-tint        { background-color: rgba(34, 211, 238, 0.1) !important; }
.bg-topic-consistency-tint         { background-color: rgba(134, 239, 172, 0.1) !important; }
.bg-topic-discipline-tint          { background-color: rgba(252, 165, 165, 0.1) !important; }
.bg-topic-creativity-tint          { background-color: rgba(232, 121, 249, 0.1) !important; }
.bg-topic-learning-tint            { background-color: rgba(103, 232, 249, 0.1) !important; }
.bg-topic-knowledge-management-tint{ background-color: rgba(163, 230, 53, 0.1) !important; }
.bg-topic-reflection-tint          { background-color: rgba(252, 211, 77, 0.1) !important; }
.bg-topic-judgment-tint            { background-color: rgba(216, 180, 254, 0.1) !important; }
.bg-topic-risk-analysis-tint       { background-color: rgba(249, 168, 212, 0.1) !important; }


/* ──────────────────────────────────────────
   9. BACKGROUND UTILITIES
   ────────────────────────────────────────── */

.bg-base    { background-color: var(--bg) !important; }
.bg-surface { background-color: var(--surface) !important; }
.bg-raised  { background-color: var(--surface-raised) !important; }
.bg-accent  { background-color: var(--accent) !important; }
.bg-emerald { background-color: var(--accent-emerald) !important; }
.bg-gold    { background-color: var(--accent-gold) !important; }


/* ──────────────────────────────────────────
   10. SPACING UTILITIES
   ────────────────────────────────────────── */

/* Margin top */
.mt-1 { margin-top: var(--space-1) !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-3 { margin-top: var(--space-3) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mt-5 { margin-top: var(--space-5) !important; }
.mt-6 { margin-top: var(--space-6) !important; }
.mt-7 { margin-top: var(--space-7) !important; }
.mt-8 { margin-top: var(--space-8) !important; }
.mt-auto { margin-top: auto !important; }

/* Margin bottom */
.mb-1 { margin-bottom: var(--space-1) !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-3 { margin-bottom: var(--space-3) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-5 { margin-bottom: var(--space-5) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }
.mb-7 { margin-bottom: var(--space-7) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }
.mb-auto { margin-bottom: auto !important; }

/* Margin left / right */
.ml-auto { margin-left: auto !important; }
.mr-auto { margin-right: auto !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

/* Padding all */
.p-1 { padding: var(--space-1) !important; }
.p-2 { padding: var(--space-2) !important; }
.p-3 { padding: var(--space-3) !important; }
.p-4 { padding: var(--space-4) !important; }
.p-5 { padding: var(--space-5) !important; }
.p-6 { padding: var(--space-6) !important; }
.p-7 { padding: var(--space-7) !important; }
.p-8 { padding: var(--space-8) !important; }
.p-0 { padding: 0 !important; }

/* Padding x-axis */
.px-1 { padding-left: var(--space-1) !important; padding-right: var(--space-1) !important; }
.px-2 { padding-left: var(--space-2) !important; padding-right: var(--space-2) !important; }
.px-3 { padding-left: var(--space-3) !important; padding-right: var(--space-3) !important; }
.px-4 { padding-left: var(--space-4) !important; padding-right: var(--space-4) !important; }
.px-5 { padding-left: var(--space-5) !important; padding-right: var(--space-5) !important; }
.px-6 { padding-left: var(--space-6) !important; padding-right: var(--space-6) !important; }
.px-7 { padding-left: var(--space-7) !important; padding-right: var(--space-7) !important; }
.px-8 { padding-left: var(--space-8) !important; padding-right: var(--space-8) !important; }

/* Padding y-axis */
.py-1 { padding-top: var(--space-1) !important; padding-bottom: var(--space-1) !important; }
.py-2 { padding-top: var(--space-2) !important; padding-bottom: var(--space-2) !important; }
.py-3 { padding-top: var(--space-3) !important; padding-bottom: var(--space-3) !important; }
.py-4 { padding-top: var(--space-4) !important; padding-bottom: var(--space-4) !important; }
.py-5 { padding-top: var(--space-5) !important; padding-bottom: var(--space-5) !important; }
.py-6 { padding-top: var(--space-6) !important; padding-bottom: var(--space-6) !important; }
.py-7 { padding-top: var(--space-7) !important; padding-bottom: var(--space-7) !important; }
.py-8 { padding-top: var(--space-8) !important; padding-bottom: var(--space-8) !important; }


/* ──────────────────────────────────────────
   11. FLEXBOX UTILITIES
   ────────────────────────────────────────── */

.flex        { display: flex !important; }
.flex-col    { flex-direction: column !important; }
.flex-row    { flex-direction: row !important; }
.flex-wrap   { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.flex-1      { flex: 1 1 0% !important; }
.flex-auto   { flex: 1 1 auto !important; }
.flex-none   { flex: none !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }

.items-start    { align-items: flex-start !important; }
.items-center   { align-items: center !important; }
.items-end      { align-items: flex-end !important; }
.items-stretch  { align-items: stretch !important; }
.items-baseline { align-items: baseline !important; }

.justify-start   { justify-content: flex-start !important; }
.justify-center  { justify-content: center !important; }
.justify-end     { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.justify-around  { justify-content: space-around !important; }
.justify-evenly  { justify-content: space-evenly !important; }

.self-start   { align-self: flex-start !important; }
.self-center  { align-self: center !important; }
.self-end     { align-self: flex-end !important; }
.self-stretch { align-self: stretch !important; }

.gap-1 { gap: var(--space-1) !important; }
.gap-2 { gap: var(--space-2) !important; }
.gap-3 { gap: var(--space-3) !important; }
.gap-4 { gap: var(--space-4) !important; }
.gap-5 { gap: var(--space-5) !important; }
.gap-6 { gap: var(--space-6) !important; }
.gap-7 { gap: var(--space-7) !important; }
.gap-8 { gap: var(--space-8) !important; }


/* ──────────────────────────────────────────
   12. GRID UTILITIES
   ────────────────────────────────────────── */

.grid         { display: grid !important; }
.grid-cols-1  { grid-template-columns: repeat(1, 1fr) !important; }
.grid-cols-2  { grid-template-columns: repeat(2, 1fr) !important; }
.grid-cols-3  { grid-template-columns: repeat(3, 1fr) !important; }
.grid-cols-4  { grid-template-columns: repeat(4, 1fr) !important; }

.col-span-1 { grid-column: span 1 !important; }
.col-span-2 { grid-column: span 2 !important; }
.col-span-3 { grid-column: span 3 !important; }
.col-span-4 { grid-column: span 4 !important; }
.col-span-full { grid-column: 1 / -1 !important; }


/* ──────────────────────────────────────────
   13. WIDTH / HEIGHT UTILITIES
   ────────────────────────────────────────── */

.w-full   { width: 100% !important; }
.w-auto   { width: auto !important; }
.w-fit    { width: fit-content !important; }
.h-full   { height: 100% !important; }
.h-auto   { height: auto !important; }
.min-w-0  { min-width: 0 !important; }
.min-h-screen { min-height: 100vh !important; }


/* ──────────────────────────────────────────
   14. DISPLAY UTILITIES
   ────────────────────────────────────────── */

.hidden       { display: none !important; }
.block        { display: block !important; }
.inline-block { display: inline-block !important; }
.inline       { display: inline !important; }
.inline-flex  { display: inline-flex !important; }

.overflow-hidden  { overflow: hidden !important; }
.overflow-auto    { overflow: auto !important; }
.overflow-scroll  { overflow: scroll !important; }
.overflow-visible { overflow: visible !important; }

.relative { position: relative !important; }
.absolute { position: absolute !important; }
.fixed    { position: fixed !important; }
.sticky   { position: sticky !important; }

.inset-0  { top: 0; right: 0; bottom: 0; left: 0; }

.opacity-0   { opacity: 0 !important; }
.opacity-50  { opacity: 0.5 !important; }
.opacity-75  { opacity: 0.75 !important; }
.opacity-100 { opacity: 1 !important; }

.pointer-events-none { pointer-events: none !important; }
.pointer-events-auto { pointer-events: auto !important; }

.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }
.cursor-not-allowed { cursor: not-allowed !important; }

.select-none { user-select: none !important; }
.select-text { user-select: text !important; }


/* ──────────────────────────────────────────
   15. BORDER RADIUS UTILITIES
   ────────────────────────────────────────── */

.rounded-none { border-radius: 0 !important; }
.rounded-sm   { border-radius: var(--radius-sm) !important; }
.rounded      { border-radius: var(--radius) !important; }
.rounded-md   { border-radius: var(--radius-md) !important; }
.rounded-lg   { border-radius: var(--radius-lg) !important; }
.rounded-xl   { border-radius: var(--radius-xl) !important; }
.rounded-2xl  { border-radius: var(--radius-2xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }


/* ──────────────────────────────────────────
   16. BORDER UTILITIES
   ────────────────────────────────────────── */

.border          { border: 1px solid var(--border) !important; }
.border-strong   { border: 1px solid var(--border-strong) !important; }
.border-accent   { border: 1px solid var(--border-accent) !important; }
.border-none     { border: none !important; }
.border-top      { border-top: 1px solid var(--border) !important; }
.border-bottom   { border-bottom: 1px solid var(--border) !important; }


/* ──────────────────────────────────────────
   17. SHADOW UTILITIES
   ────────────────────────────────────────── */

.shadow-sm     { box-shadow: var(--shadow-sm) !important; }
.shadow        { box-shadow: var(--shadow) !important; }
.shadow-md     { box-shadow: var(--shadow-md) !important; }
.shadow-lg     { box-shadow: var(--shadow-lg) !important; }
.shadow-xl     { box-shadow: var(--shadow-xl) !important; }
.shadow-accent { box-shadow: var(--shadow-accent) !important; }
.shadow-glow   { box-shadow: var(--shadow-glow) !important; }
.shadow-none   { box-shadow: none !important; }


/* ──────────────────────────────────────────
   18. Z-INDEX UTILITIES
   ────────────────────────────────────────── */

.z-base    { z-index: var(--z-base) !important; }
.z-raised  { z-index: var(--z-raised) !important; }
.z-overlay { z-index: var(--z-overlay) !important; }
.z-modal   { z-index: var(--z-modal) !important; }
.z-toast   { z-index: var(--z-toast) !important; }