*, ::before, ::after {
  --tw-border-spacing-x: 0;
  --tw-border-spacing-y: 0;
  --tw-translate-x: 0;
  --tw-translate-y: 0;
  --tw-rotate: 0;
  --tw-skew-x: 0;
  --tw-skew-y: 0;
  --tw-scale-x: 1;
  --tw-scale-y: 1;
  --tw-pan-x:  ;
  --tw-pan-y:  ;
  --tw-pinch-zoom:  ;
  --tw-scroll-snap-strictness: proximity;
  --tw-gradient-from-position:  ;
  --tw-gradient-via-position:  ;
  --tw-gradient-to-position:  ;
  --tw-ordinal:  ;
  --tw-slashed-zero:  ;
  --tw-numeric-figure:  ;
  --tw-numeric-spacing:  ;
  --tw-numeric-fraction:  ;
  --tw-ring-inset:  ;
  --tw-ring-offset-width: 0px;
  --tw-ring-offset-color: #fff;
  --tw-ring-color: rgb(59 130 246 / 0.5);
  --tw-ring-offset-shadow: 0 0 #0000;
  --tw-ring-shadow: 0 0 #0000;
  --tw-shadow: 0 0 #0000;
  --tw-shadow-colored: 0 0 #0000;
  --tw-blur:  ;
  --tw-brightness:  ;
  --tw-contrast:  ;
  --tw-grayscale:  ;
  --tw-hue-rotate:  ;
  --tw-invert:  ;
  --tw-saturate:  ;
  --tw-sepia:  ;
  --tw-drop-shadow:  ;
  --tw-backdrop-blur:  ;
  --tw-backdrop-brightness:  ;
  --tw-backdrop-contrast:  ;
  --tw-backdrop-grayscale:  ;
  --tw-backdrop-hue-rotate:  ;
  --tw-backdrop-invert:  ;
  --tw-backdrop-opacity:  ;
  --tw-backdrop-saturate:  ;
  --tw-backdrop-sepia:  ;
  --tw-contain-size:  ;
  --tw-contain-layout:  ;
  --tw-contain-paint:  ;
  --tw-contain-style:  ;
}

::backdrop {
  --tw-border-spacing-x: 0;
  --tw-border-spacing-y: 0;
  --tw-translate-x: 0;
  --tw-translate-y: 0;
  --tw-rotate: 0;
  --tw-skew-x: 0;
  --tw-skew-y: 0;
  --tw-scale-x: 1;
  --tw-scale-y: 1;
  --tw-pan-x:  ;
  --tw-pan-y:  ;
  --tw-pinch-zoom:  ;
  --tw-scroll-snap-strictness: proximity;
  --tw-gradient-from-position:  ;
  --tw-gradient-via-position:  ;
  --tw-gradient-to-position:  ;
  --tw-ordinal:  ;
  --tw-slashed-zero:  ;
  --tw-numeric-figure:  ;
  --tw-numeric-spacing:  ;
  --tw-numeric-fraction:  ;
  --tw-ring-inset:  ;
  --tw-ring-offset-width: 0px;
  --tw-ring-offset-color: #fff;
  --tw-ring-color: rgb(59 130 246 / 0.5);
  --tw-ring-offset-shadow: 0 0 #0000;
  --tw-ring-shadow: 0 0 #0000;
  --tw-shadow: 0 0 #0000;
  --tw-shadow-colored: 0 0 #0000;
  --tw-blur:  ;
  --tw-brightness:  ;
  --tw-contrast:  ;
  --tw-grayscale:  ;
  --tw-hue-rotate:  ;
  --tw-invert:  ;
  --tw-saturate:  ;
  --tw-sepia:  ;
  --tw-drop-shadow:  ;
  --tw-backdrop-blur:  ;
  --tw-backdrop-brightness:  ;
  --tw-backdrop-contrast:  ;
  --tw-backdrop-grayscale:  ;
  --tw-backdrop-hue-rotate:  ;
  --tw-backdrop-invert:  ;
  --tw-backdrop-opacity:  ;
  --tw-backdrop-saturate:  ;
  --tw-backdrop-sepia:  ;
  --tw-contain-size:  ;
  --tw-contain-layout:  ;
  --tw-contain-paint:  ;
  --tw-contain-style:  ;
}

*, ::after, ::before {
  box-sizing: border-box;
  border-width: 0px;
  border-style: solid;
  border-color: rgb(229, 231, 235);
}

::after, ::before {
  --tw-content: '';
}

:host, html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
  font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-feature-settings: normal;
  font-variation-settings: normal;
  -webkit-tap-highlight-color: transparent !important;
  overscroll-behavior: none !important;
}

body {
  margin: 0px;
  line-height: inherit;
  overscroll-behavior: none !important;
}

hr {
  height: 0px;
  color: inherit;
  border-top-width: 1px;
}

abbr:where([title]) {
  text-decoration: underline dotted;
}

h1, h2, h3, h4, h5, h6 {
  font-size: inherit;
  font-weight: inherit;
}

a {
  color: inherit;
  text-decoration: inherit;
}

b, strong {
  font-weight: bolder;
}

code, kbd, pre, samp {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-feature-settings: normal;
  font-variation-settings: normal;
  font-size: 1em;
}

small {
  font-size: 80%;
}

sub, sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

table {
  text-indent: 0px;
  border-color: inherit;
  border-collapse: collapse;
}

button, input, optgroup, select, textarea {
  font-family: inherit;
  font-feature-settings: inherit;
  font-variation-settings: inherit;
  font-size: 100%;
  font-weight: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  color: inherit;
  margin: 0px;
  padding: 0px;
}

button, select {
  text-transform: none;
}

button, input:where([type="button"]), input:where([type="reset"]), input:where([type="submit"]) {
  -webkit-appearance: button;
  appearance: button;
  background-color: transparent;
  background-image: none;
}

progress {
  vertical-align: baseline;
}

::-webkit-inner-spin-button, ::-webkit-outer-spin-button {
  height: auto;
}

[type="search"] {
  -webkit-appearance: textfield;
  appearance: textfield;
  outline-offset: -2px;
}

::-webkit-search-decoration {
  -webkit-appearance: none;
}

::-webkit-file-upload-button {
  -webkit-appearance: button;
  font: inherit;
}

summary {
  display: list-item;
}

blockquote, dd, dl, figure, h1, h2, h3, h4, h5, h6, hr, p, pre {
  margin: 0px;
}

fieldset {
  margin: 0px;
  padding: 0px;
}

legend {
  padding: 0px;
}

menu, ol, ul {
  list-style: none;
  margin: 0px;
  padding: 0px;
}

dialog {
  padding: 0px;
}

textarea {
  resize: vertical;
}

input::placeholder, textarea::placeholder {
  opacity: 1;
  color: rgb(156, 163, 175);
}

[role="button"], button {
  cursor: pointer;
}

:disabled {
  cursor: default;
}

audio, canvas, embed, iframe, img, object, svg, video {
  display: block;
  vertical-align: middle;
}

img, video {
  max-width: 100%;
  height: auto;
}

[hidden]:where(:not([hidden="until-found"])) {
  display: none;
}

/* ========================================================= 
   TAILWIND UTILITY CLASSES (រក្សាទុកទាំងស្រុង 100%)
========================================================= */
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.sticky { position: sticky; }
.inset-0 { inset: 0px; }
.bottom-0 { bottom: 0px; }
.left-0 { left: 0px; }
.right-0 { right: 0px; }
.top-0 { top: 0px; }
.top-full { top: 100%; }
.right-4 { right: 1rem; }
.top-3 { top: 0.75rem; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-\[10000\] { z-index: 10000; }
.z-\[60\] { z-index: 60; }
.z-\[200\] { z-index: 200; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-24 { margin-bottom: 6rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mr-3 { margin-right: 0.75rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-16 { margin-top: 4rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-auto { margin-top: auto; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }
.h-1 { height: 0.25rem; }
.h-10 { height: 2.5rem; }
.h-20 { height: 5rem; }
.h-32 { height: 8rem; }
.h-64 { height: 16rem; }
.h-8 { height: 2rem; }
.h-80 { height: 20rem; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }
.h-\[1px\] { height: 1px; }
.max-h-\[90vh\] { max-height: 90vh; }
.min-h-\[150px\] { min-height: 150px; }
.min-h-\[400px\] { min-height: 400px; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-2 { width: 0.5rem; }
.w-24 { width: 6rem; }
.w-32 { width: 8rem; }
.w-8 { width: 2rem; }
.w-full { width: 100%; }
.w-11\/12 { width: 91.6667%; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-7xl { max-width: 80rem; }
.max-w-\[70\%\] { max-width: 70%; }
.max-w-sm { max-width: 24rem; }
.flex-shrink-0 { flex-shrink: 0; }
.shrink-0 { flex-shrink: 0; }
.flex-grow { flex-grow: 1; }
.transform { transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y)); }

@keyframes pulse {
  50% { opacity: 0.5; }
}
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.cursor-pointer { cursor: pointer; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.flex-col { flex-direction: column; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { --tw-space-y-reverse: 0; margin-top: calc(0.75rem * calc(1 - var(--tw-space-y-reverse))); margin-bottom: calc(0.75rem * var(--tw-space-y-reverse)); }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { --tw-space-y-reverse: 0; margin-top: calc(1rem * calc(1 - var(--tw-space-y-reverse))); margin-bottom: calc(1rem * var(--tw-space-y-reverse)); }
.space-y-8 > :not([hidden]) ~ :not([hidden]) { --tw-space-y-reverse: 0; margin-top: calc(2rem * calc(1 - var(--tw-space-y-reverse))); margin-bottom: calc(2rem * var(--tw-space-y-reverse)); }
.overflow-hidden { overflow: hidden; }
.overflow-y-auto { overflow-y: auto; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rounded { border-radius: 0.25rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-bl-lg { border-bottom-left-radius: 0.5rem; }
.border { border-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-l-4 { border-left-width: 4px; }
.border-t { border-top-width: 1px; }

/* Colors - Borders */
.border-blue-400\/30 { border-color: rgb(96 165 250 / 0.3); }
.border-blue-500\/30 { border-color: rgb(59 130 246 / 0.3); }
.border-cyan-500 { --tw-border-opacity: 1; border-color: rgb(6 182 212 / var(--tw-border-opacity, 1)); }
.border-cyan-500\/20 { border-color: rgb(6 182 212 / 0.2); }
.border-cyan-500\/30 { border-color: rgb(6 182 212 / 0.3); }
.border-cyan-500\/50 { border-color: rgb(6 182 212 / 0.5); }
.border-green-500 { --tw-border-opacity: 1; border-color: rgb(34 197 94 / var(--tw-border-opacity, 1)); }
.border-green-500\/30 { border-color: rgb(34 197 94 / 0.3); }
.border-orange-500\/30 { border-color: rgb(249 115 22 / 0.3); }
.border-orange-500\/50 { border-color: rgb(249 115 22 / 0.5); }
.border-purple-500 { --tw-border-opacity: 1; border-color: rgb(168 85 247 / var(--tw-border-opacity, 1)); }
.border-purple-500\/30 { border-color: rgb(168 85 247 / 0.3); }
.border-red-500 { --tw-border-opacity: 1; border-color: rgb(239 68 68 / var(--tw-border-opacity, 1)); }
.border-red-500\/30 { border-color: rgb(239 68 68 / 0.3); }
.border-red-600\/30 { border-color: rgb(220 38 38 / 0.3); }
.border-red-600\/50 { border-color: rgb(220 38 38 / 0.5); }
.border-red-700\/50 { border-color: rgb(185 28 28 / 0.5); }
.border-red-800 { --tw-border-opacity: 1; border-color: rgb(153 27 27 / var(--tw-border-opacity, 1)); }
.border-slate-500 { --tw-border-opacity: 1; border-color: rgb(100 116 139 / var(--tw-border-opacity, 1)); }
.border-slate-600 { --tw-border-opacity: 1; border-color: rgb(71 85 105 / var(--tw-border-opacity, 1)); }
.border-slate-700 { --tw-border-opacity: 1; border-color: rgb(51 65 85 / var(--tw-border-opacity, 1)); }
.border-transparent { border-color: transparent; }
.border-white\/10 { border-color: rgb(255 255 255 / 0.1); }
.border-white\/30 { border-color: rgb(255 255 255 / 0.3); }
.border-yellow-500 { --tw-border-opacity: 1; border-color: rgb(234 179 8 / var(--tw-border-opacity, 1)); }
.border-yellow-500\/30 { border-color: rgb(234 179 8 / 0.3); }
.border-pink-500\/30 { border-color: rgb(236 72 153 / 0.3); }

/* Colors - Backgrounds */
.bg-blue-500\/20 { background-color: rgb(59 130 246 / 0.2); }
.bg-cyan-500 { --tw-bg-opacity: 1; background-color: rgb(6 182 212 / var(--tw-bg-opacity, 1)); }
.bg-cyan-500\/10 { background-color: rgb(6 182 212 / 0.1); }
.bg-cyan-600 { --tw-bg-opacity: 1; background-color: rgb(8 145 178 / var(--tw-bg-opacity, 1)); }
.bg-cyan-900\/50 { background-color: rgb(22 78 99 / 0.5); }
.bg-green-500\/10 { background-color: rgb(34 197 94 / 0.1); }
.bg-orange-900\/30 { background-color: rgb(124 45 18 / 0.3); }
.bg-purple-500 { --tw-bg-opacity: 1; background-color: rgb(168 85 247 / var(--tw-bg-opacity, 1)); }
.bg-purple-500\/10 { background-color: rgb(168 85 247 / 0.1); }
.bg-red-500\/10 { background-color: rgb(239 68 68 / 0.1); }
.bg-red-600 { --tw-bg-opacity: 1; background-color: rgb(220 38 38 / var(--tw-bg-opacity, 1)); }
.bg-red-600\/20 { background-color: rgb(220 38 38 / 0.2); }
.bg-red-900\/10 { background-color: rgb(127 29 29 / 0.1); }
.bg-red-900\/40 { background-color: rgb(127 29 29 / 0.4); }
.bg-red-900\/50 { background-color: rgb(127 29 29 / 0.5); }
.bg-slate-800 { --tw-bg-opacity: 1; background-color: rgb(30 41 59 / var(--tw-bg-opacity, 1)); }
.bg-slate-800\/30 { background-color: rgb(30 41 59 / 0.3); }
.bg-slate-800\/50 { background-color: rgb(30 41 59 / 0.5); }
.bg-slate-900 { --tw-bg-opacity: 1; background-color: rgb(15 23 42 / var(--tw-bg-opacity, 1)); }
.bg-slate-900\/80 { background-color: rgb(15 23 42 / 0.8); }
.bg-slate-900\/95 { background-color: rgb(15 23 42 / 0.95); }
.bg-white\/10 { background-color: rgb(255 255 255 / 0.1); }
.bg-white\/5 { background-color: rgb(255 255 255 / 0.05); }
.bg-yellow-500\/10 { background-color: rgb(234 179 8 / 0.1); }
.bg-black\/90 { background-color: rgb(0 0 0 / 0.9); }
.bg-slate-700 { --tw-bg-opacity: 1; background-color: rgb(51 65 85 / var(--tw-bg-opacity, 1)); }

/* Gradients */
.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops)); }
.from-cyan-300 { --tw-gradient-from: #67e8f9 var(--tw-gradient-from-position); --tw-gradient-to: rgb(103 232 249 / 0) var(--tw-gradient-to-position); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-cyan-400 { --tw-gradient-from: #22d3ee var(--tw-gradient-from-position); --tw-gradient-to: rgb(34 211 238 / 0) var(--tw-gradient-to-position); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-cyan-500 { --tw-gradient-from: #06b6d4 var(--tw-gradient-from-position); --tw-gradient-to: rgb(6 182 212 / 0) var(--tw-gradient-to-position); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-transparent { --tw-gradient-from: transparent var(--tw-gradient-from-position); --tw-gradient-to: rgb(0 0 0 / 0) var(--tw-gradient-to-position); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.from-yellow-400 { --tw-gradient-from: #facc15 var(--tw-gradient-from-position); --tw-gradient-to: rgb(250 204 21 / 0) var(--tw-gradient-to-position); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.via-teal-400 { --tw-gradient-to: rgb(45 212 191 / 0)  var(--tw-gradient-to-position); --tw-gradient-stops: var(--tw-gradient-from), #2dd4bf var(--tw-gradient-via-position), var(--tw-gradient-to); }
.via-yellow-400 { --tw-gradient-to: rgb(250 204 21 / 0)  var(--tw-gradient-to-position); --tw-gradient-stops: var(--tw-gradient-from), #facc15 var(--tw-gradient-via-position), var(--tw-gradient-to); }
.to-blue-500 { --tw-gradient-to: #3b82f6 var(--tw-gradient-to-position); }
.to-blue-600 { --tw-gradient-to: #2563eb var(--tw-gradient-to-position); }
.to-cyan-500 { --tw-gradient-to: #06b6d4 var(--tw-gradient-to-position); }
.to-orange-500 { --tw-gradient-to: #f97316 var(--tw-gradient-to-position); }
.to-teal-500 { --tw-gradient-to: #14b8a6 var(--tw-gradient-to-position); }
.to-transparent { --tw-gradient-to: transparent var(--tw-gradient-to-position); }
.bg-clip-text { -webkit-background-clip: text; background-clip: text; }

/* Utilities */
.object-contain { object-fit: contain; }
.p-0 { padding: 0px; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-16 { padding-left: 4rem; padding-right: 4rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.\!py-3 { padding-top: 0.75rem !important; padding-bottom: 0.75rem !important; }
.pb-20 { padding-bottom: 5rem; }
.pb-24 { padding-bottom: 6rem; }
.pb-8 { padding-bottom: 2rem; }
.pt-6 { padding-top: 1.5rem; }
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

/* Typography Options */
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-8xl { font-size: 6rem; line-height: 1; }
.text-\[10px\] { font-size: 10px; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.uppercase { text-transform: uppercase; }
.italic { font-style: italic; }
.leading-loose { line-height: 2; }
.leading-none { line-height: 1; }
.leading-relaxed { line-height: 1.625; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }

/* Colors - Text */
.text-blue-200 { --tw-text-opacity: 1; color: rgb(191 219 254 / var(--tw-text-opacity, 1)); }
.text-blue-400 { --tw-text-opacity: 1; color: rgb(96 165 250 / var(--tw-text-opacity, 1)); }
.text-cyan-200 { --tw-text-opacity: 1; color: rgb(165 243 252 / var(--tw-text-opacity, 1)); }
.text-cyan-300 { --tw-text-opacity: 1; color: rgb(103 232 249 / var(--tw-text-opacity, 1)); }
.text-cyan-400 { --tw-text-opacity: 1; color: rgb(34 211 238 / var(--tw-text-opacity, 1)); }
.text-cyan-400\/70 { color: rgb(34 211 238 / 0.7); }
.text-cyan-500\/80 { color: rgb(6 182 212 / 0.8); }
.text-green-200 { --tw-text-opacity: 1; color: rgb(187 247 208 / var(--tw-text-opacity, 1)); }
.text-green-400 { --tw-text-opacity: 1; color: rgb(74 222 128 / var(--tw-text-opacity, 1)); }
.text-indigo-200 { --tw-text-opacity: 1; color: rgb(199 210 254 / var(--tw-text-opacity, 1)); }
.text-indigo-400 { --tw-text-opacity: 1; color: rgb(129 140 248 / var(--tw-text-opacity, 1)); }
.text-orange-200 { --tw-text-opacity: 1; color: rgb(254 215 170 / var(--tw-text-opacity, 1)); }
.text-orange-300 { --tw-text-opacity: 1; color: rgb(253 186 116 / var(--tw-text-opacity, 1)); }
.text-orange-400 { --tw-text-opacity: 1; color: rgb(251 146 60 / var(--tw-text-opacity, 1)); }
.text-pink-200 { --tw-text-opacity: 1; color: rgb(251 207 232 / var(--tw-text-opacity, 1)); }
.text-pink-300 { --tw-text-opacity: 1; color: rgb(249 168 212 / var(--tw-text-opacity, 1)); }
.text-pink-400 { --tw-text-opacity: 1; color: rgb(244 114 182 / var(--tw-text-opacity, 1)); }
.text-purple-200 { --tw-text-opacity: 1; color: rgb(233 213 255 / var(--tw-text-opacity, 1)); }
.text-purple-300 { --tw-text-opacity: 1; color: rgb(216 180 254 / var(--tw-text-opacity, 1)); }
.text-purple-400 { --tw-text-opacity: 1; color: rgb(192 132 252 / var(--tw-text-opacity, 1)); }
.text-red-200 { --tw-text-opacity: 1; color: rgb(254 202 202 / var(--tw-text-opacity, 1)); }
.text-red-400 { --tw-text-opacity: 1; color: rgb(248 113 113 / var(--tw-text-opacity, 1)); }
.text-red-500 { --tw-text-opacity: 1; color: rgb(239 68 68 / var(--tw-text-opacity, 1)); }
.text-slate-300 { --tw-text-opacity: 1; color: rgb(203 213 225 / var(--tw-text-opacity, 1)); }
.text-slate-400 { --tw-text-opacity: 1; color: rgb(148 163 184 / var(--tw-text-opacity, 1)); }
.text-slate-500 { --tw-text-opacity: 1; color: rgb(100 116 139 / var(--tw-text-opacity, 1)); }
.text-teal-200 { --tw-text-opacity: 1; color: rgb(153 246 228 / var(--tw-text-opacity, 1)); }
.text-teal-400 { --tw-text-opacity: 1; color: rgb(45 212 191 / var(--tw-text-opacity, 1)); }
.text-transparent { color: transparent; }
.text-white { --tw-text-opacity: 1; color: rgb(255 255 255 / var(--tw-text-opacity, 1)); }
.text-yellow-200 { --tw-text-opacity: 1; color: rgb(254 240 138 / var(--tw-text-opacity, 1)); }
.text-yellow-300 { --tw-text-opacity: 1; color: rgb(253 224 71 / var(--tw-text-opacity, 1)); }
.text-yellow-400 { --tw-text-opacity: 1; color: rgb(250 204 21 / var(--tw-text-opacity, 1)); }
.text-blue-100 { --tw-text-opacity: 1; color: rgb(219 234 254 / var(--tw-text-opacity, 1)); }
.text-green-100 { --tw-text-opacity: 1; color: rgb(220 252 231 / var(--tw-text-opacity, 1)); }
.text-pink-100 { --tw-text-opacity: 1; color: rgb(252 231 243 / var(--tw-text-opacity, 1)); }
.text-purple-100 { --tw-text-opacity: 1; color: rgb(243 232 255 / var(--tw-text-opacity, 1)); }
.text-yellow-100 { --tw-text-opacity: 1; color: rgb(254 249 195 / var(--tw-text-opacity, 1)); }

/* Shadows and Filters */
.shadow-2xl { --tw-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25); --tw-shadow-colored: 0 25px 50px -12px var(--tw-shadow-color); box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow); }
.shadow-\[0_0_25px_rgba\(34\,211\,238\,0\.6\)\] { --tw-shadow: 0 0 25px rgba(34,211,238,0.6); --tw-shadow-colored: 0 0 25px var(--tw-shadow-color); box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow); }
.shadow-lg { --tw-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); --tw-shadow-colored: 0 10px 15px -3px var(--tw-shadow-color), 0 4px 6px -4px var(--tw-shadow-color); box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow); }
.shadow-xl { --tw-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); --tw-shadow-colored: 0 20px 25px -5px var(--tw-shadow-color), 0 8px 10px -6px var(--tw-shadow-color); box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow); }
.shadow-\[0_0_50px_rgba\(34\,211\,238\,0\.2\)\] { --tw-shadow: 0 0 50px rgba(34,211,238,0.2); --tw-shadow-colored: 0 0 50px var(--tw-shadow-color); box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow); }
.shadow-cyan-900\/50 { --tw-shadow-color: rgb(22 78 99 / 0.5); --tw-shadow: var(--tw-shadow-colored); }
.drop-shadow-2xl { --tw-drop-shadow: drop-shadow(0 25px 25px rgb(0 0 0 / 0.15)); filter: var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow); }
.drop-shadow-\[0_0_15px_rgba\(34\,211\,238\,0\.5\)\] { --tw-drop-shadow: drop-shadow(0 0 15px rgba(34,211,238,0.5)); filter: var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow); }
.drop-shadow-lg { --tw-drop-shadow: drop-shadow(0 10px 8px rgb(0 0 0 / 0.04)) drop-shadow(0 4px 3px rgb(0 0 0 / 0.1)); filter: var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow); }
.backdrop-blur { --tw-backdrop-blur: blur(8px); backdrop-filter: var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia); }
.backdrop-blur-md { --tw-backdrop-blur: blur(12px); backdrop-filter: var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia); }
.backdrop-blur-sm { --tw-backdrop-blur: blur(4px); backdrop-filter: var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia); }

/* Transitions */
.transition { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-colors { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.duration-1000 { transition-duration: 1000ms; }
.duration-300 { transition-duration: 300ms; }

/* Hover States */
.hover\:-translate-y-1:hover { --tw-translate-y: -0.25rem; transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y)); }
.hover\:scale-105:hover { --tw-scale-x: 1.05; --tw-scale-y: 1.05; transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y)); }
.hover\:scale-\[1\.01\]:hover { --tw-scale-x: 1.01; --tw-scale-y: 1.01; transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y)); }
.hover\:transform:hover { transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y)); }
.hover\:border-blue-500:hover { --tw-border-opacity: 1; border-color: rgb(59 130 246 / var(--tw-border-opacity, 1)); }
.hover\:border-cyan-500\/30:hover { border-color: rgb(6 182 212 / 0.3); }
.hover\:border-green-500:hover { --tw-border-opacity: 1; border-color: rgb(34 197 94 / var(--tw-border-opacity, 1)); }
.hover\:border-orange-500:hover { --tw-border-opacity: 1; border-color: rgb(249 115 22 / var(--tw-border-opacity, 1)); }
.hover\:border-red-500\/30:hover { border-color: rgb(239 68 68 / 0.3); }
.hover\:border-red-600:hover { --tw-border-opacity: 1; border-color: rgb(220 38 38 / var(--tw-border-opacity, 1)); }
.hover\:bg-cyan-500:hover { --tw-bg-opacity: 1; background-color: rgb(6 182 212 / var(--tw-bg-opacity, 1)); }
.hover\:bg-cyan-800\/60:hover { background-color: rgb(21 94 117 / 0.6); }
.hover\:bg-red-500\/30:hover { background-color: rgb(239 68 68 / 0.3); }
.hover\:bg-red-800:hover { --tw-bg-opacity: 1; background-color: rgb(153 27 27 / var(--tw-bg-opacity, 1)); }
.hover\:bg-red-900\/30:hover { background-color: rgb(127 29 29 / 0.3); }
.hover\:bg-slate-700:hover { --tw-bg-opacity: 1; background-color: rgb(51 65 85 / var(--tw-bg-opacity, 1)); }
.hover\:bg-slate-800:hover { --tw-bg-opacity: 1; background-color: rgb(30 41 59 / var(--tw-bg-opacity, 1)); }
.hover\:bg-slate-800\/50:hover { background-color: rgb(30 41 59 / 0.5); }
.hover\:bg-blue-900\/30:hover { background-color: rgb(30 58 138 / 0.3); }
.hover\:bg-green-900\/30:hover { background-color: rgb(20 83 45 / 0.3); }
.hover\:bg-pink-900\/30:hover { background-color: rgb(131 24 67 / 0.3); }
.hover\:bg-purple-900\/30:hover { background-color: rgb(88 28 135 / 0.3); }
.hover\:bg-yellow-900\/30:hover { background-color: rgb(113 63 18 / 0.3); }
.hover\:from-cyan-400:hover { --tw-gradient-from: #22d3ee var(--tw-gradient-from-position); --tw-gradient-to: rgb(34 211 238 / 0) var(--tw-gradient-to-position); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to); }
.hover\:to-blue-500:hover { --tw-gradient-to: #3b82f6 var(--tw-gradient-to-position); }
.hover\:text-blue-300:hover { --tw-text-opacity: 1; color: rgb(147 197 253 / var(--tw-text-opacity, 1)); }
.hover\:text-cyan-400:hover { --tw-text-opacity: 1; color: rgb(34 211 238 / var(--tw-text-opacity, 1)); }
.hover\:text-green-300:hover { --tw-text-opacity: 1; color: rgb(134 239 172 / var(--tw-text-opacity, 1)); }
.hover\:text-orange-300:hover { --tw-text-opacity: 1; color: rgb(253 186 116 / var(--tw-text-opacity, 1)); }
.hover\:text-pink-300:hover { --tw-text-opacity: 1; color: rgb(249 168 212 / var(--tw-text-opacity, 1)); }
.hover\:text-purple-300:hover { --tw-text-opacity: 1; color: rgb(216 180 254 / var(--tw-text-opacity, 1)); }
.hover\:text-red-400:hover { --tw-text-opacity: 1; color: rgb(248 113 113 / var(--tw-text-opacity, 1)); }
.hover\:text-white:hover { --tw-text-opacity: 1; color: rgb(255 255 255 / var(--tw-text-opacity, 1)); }
.hover\:text-yellow-400:hover { --tw-text-opacity: 1; color: rgb(250 204 21 / var(--tw-text-opacity, 1)); }
.hover\:text-red-500:hover { --tw-text-opacity: 1; color: rgb(239 68 68 / var(--tw-text-opacity, 1)); }

/* Groups */
.group:hover .group-hover\:scale-110 { --tw-scale-x: 1.1; --tw-scale-y: 1.1; transform: translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y)); }
.group:hover .group-hover\:bg-cyan-500 { --tw-bg-opacity: 1; background-color: rgb(6 182 212 / var(--tw-bg-opacity, 1)); }

/* ========================================================= 
   MATHJAX CONTEXT MENU CSS (កូដដើមរបស់បង មិនកាត់ចោលទេ)
========================================================= */
.CtxtMenu_InfoClose { top: 0.2em; right: 0.2em; }
.CtxtMenu_InfoContent { overflow: auto; text-align: left; font-size: 80%; padding: 0.4em 0.6em; border: 1px inset; margin: 1em 0px; max-height: 20em; max-width: 30em; background-color: rgb(238, 238, 238); white-space: normal; }
.CtxtMenu_Info.CtxtMenu_MousePost { outline: none; }
.CtxtMenu_Info { position: fixed; left: 50%; width: auto; text-align: center; border: 3px outset; padding: 1em 2em; background-color: rgb(221, 221, 221); color: black; cursor: default; font-family: message-box; font-size: 120%; font-style: normal; text-indent: 0px; text-transform: none; line-height: normal; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; z-index: 201; border-radius: 15px; box-shadow: rgb(128, 128, 128) 0px 10px 20px; }
.CtxtMenu_MenuClose { position: absolute; cursor: pointer; display: inline-block; border: 2px solid rgb(170, 170, 170); border-radius: 18px; font-family: "Courier New", Courier; font-size: 24px; color: rgb(240, 240, 240); }
.CtxtMenu_MenuClose span { display: block; background-color: rgb(170, 170, 170); border: 1.5px solid; border-radius: 18px; line-height: 0; padding: 8px 0px 6px; }
.CtxtMenu_MenuClose:hover { color: white !important; border: 2px solid rgb(204, 204, 204) !important; }
.CtxtMenu_MenuClose:hover span { background-color: rgb(204, 204, 204) !important; }
.CtxtMenu_MenuClose:hover:focus { outline: none; }
.CtxtMenu_Menu { position: absolute; background-color: white; color: black; width: auto; padding: 5px 0px; border: 1px solid rgb(204, 204, 204); margin: 0px; cursor: default; font-style: ; font-variant: normal; font-weight: ; font-stretch: ; font-size: ; font-family: ; font-optical-sizing: ; font-size-adjust: ; font-kerning: ; font-feature-settings: ; font-variation-settings: ; font-language-override: ; text-align: left; text-indent: 0px; text-transform: none; line-height: normal; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; z-index: 201; border-radius: 5px; box-shadow: rgb(128, 128, 128) 0px 10px 20px; }
.CtxtMenu_MenuItem { padding: 1px 2em; background: transparent; }
.CtxtMenu_MenuArrow { position: absolute; right: 0.5em; padding-top: 0.25em; color: rgb(102, 102, 102); font-family: null; font-size: 0.75em; }
.CtxtMenu_MenuActive .CtxtMenu_MenuArrow { color: white; }
.CtxtMenu_MenuArrow.CtxtMenu_RTL { left: 0.5em; right: auto; }
.CtxtMenu_MenuCheck { position: absolute; left: 0.7em; font-family: null; }
.CtxtMenu_MenuCheck.CtxtMenu_RTL { right: 0.7em; left: auto; }
.CtxtMenu_MenuRadioCheck { position: absolute; left: 0.7em; }
.CtxtMenu_MenuRadioCheck.CtxtMenu_RTL { right: 0.7em; left: auto; }
.CtxtMenu_MenuInputBox { padding-left: 1em; right: 0.5em; color: rgb(102, 102, 102); font-family: null; }
.CtxtMenu_MenuInputBox.CtxtMenu_RTL { left: 0.1em; }
.CtxtMenu_MenuComboBox { left: 0.1em; padding-bottom: 0.5em; }
.CtxtMenu_MenuSlider { left: 0.1em; }
.CtxtMenu_SliderValue { position: absolute; right: 0.1em; padding-top: 0.25em; color: rgb(51, 51, 51); font-size: 0.75em; }
.CtxtMenu_SliderBar { outline: none; background: rgb(211, 211, 211); }
.CtxtMenu_MenuLabel { padding: 1px 2em 3px 1.33em; font-style: italic; }
.CtxtMenu_MenuRule { border-top: 1px solid rgb(221, 221, 221); margin: 4px 3px; }
.CtxtMenu_MenuDisabled { color: graytext; }
.CtxtMenu_MenuActive { background-color: rgb(96, 104, 114); color: white; }
.CtxtMenu_MenuDisabled:focus { background-color: rgb(232, 232, 232); }
.CtxtMenu_MenuLabel:focus { background-color: rgb(232, 232, 232); }
.CtxtMenu_ContextMenu:focus { outline: none; }
.CtxtMenu_ContextMenu .CtxtMenu_MenuItem:focus { outline: none; }
.CtxtMenu_SelectionMenu { position: relative; float: left; border-bottom-width: medium; border-bottom-style: none; border-bottom-color: currentcolor; box-shadow: none; border-radius: 0px; }
.CtxtMenu_SelectionItem { padding-right: 1em; }
.CtxtMenu_Selection { right: 40%; width: 50%; }
.CtxtMenu_SelectionBox { padding: 0em; max-height: 20em; max-width: none; background-color: rgb(255, 255, 255); }
.CtxtMenu_SelectionDivider { clear: both; border-top: 2px solid rgb(0, 0, 0); }
.CtxtMenu_Menu .CtxtMenu_MenuClose { top: -10px; left: -10px; }


/* ==============================================================================
   [Custom CSS - បានរៀបចំឡើងវិញដើម្បី Support គ្រប់ទូរស័ព្ទ អេក្រង់ ១០០%]
============================================================================== */

/* ការពារទូរស័ព្ទ Zoom ឬ ទាញទំហំអក្សរផ្តេសផ្តាស */
body, p, span, div, input, textarea, button { font-family: "Noto Sans Khmer", sans-serif !important; }
.chat-message, .message-content { font-family: "Noto Sans Khmer", sans-serif; line-height: 1.6; }
html { background-color: rgb(2, 6, 23); overscroll-behavior: none !important; }

* { 
  font-family: "Kantumruy Pro", sans-serif; 
  -webkit-tap-highlight-color: transparent !important; 
  -webkit-touch-callout: none !important; 
  touch-action: manipulation !important; 
}

/* រៀបចំតួខ្លួន Website និង Safe Area សម្រាប់ទូរស័ព្ទមាន Notch និង Navigation Bar */
body { 
  background-color: rgb(2, 6, 23); 
  background-image: radial-gradient(circle at 50% 0px, rgb(14, 116, 144) 0%, rgb(2, 6, 23) 80%); 
  background-repeat: no-repeat; 
  background-attachment: fixed; 
  color: rgb(236, 254, 255); 
  /* ជំនួស 100vh ដោយ 100dvh ដើម្បីកុំឲ្យធ្លាយចូលក្រោម Navigation Bar */
  min-height: 100vh; /* Fallback */
  min-height: 100dvh; 
  display: flex; 
  flex-direction: column; 
  overflow-x: hidden; 
  overscroll-behavior-y: none !important; 
  -webkit-user-select: none !important; 
  user-select: none !important; 
  /* ការពារកុំឲ្យបាំង Status Bar និង កាមេរ៉ា */
  padding-top: env(safe-area-inset-top); 
  padding-bottom: env(safe-area-inset-bottom);
}

/* ដោះស្រាយបញ្ហា Content បាំងជើងខាងក្រោមនៅពេលលេងហ្គេម */
main {
  flex-grow: 1;
  padding-bottom: max(env(safe-area-inset-bottom), 6rem) !important;
}

/* របាខាងលើ (Nav) ទាញចុះក្រោមកុំឲ្យបាំងកាមេរ៉ាទម្លុះអេក្រង់ */
#main-nav {
  padding-top: max(env(safe-area-inset-top), 12px);
}

/* បើកការ Select អក្សរបានតែលើលំហាត់ប៉ុណ្ណោះ */
.math-scroll, .exam-paper, input, textarea, mjx-container, .selectable-text { 
  -webkit-user-select: text !important; 
  user-select: text !important; 
}

/* GPU Acceleration បំបាត់ផ្ទាំងស ឬអាក់រអួលពេលលេង */
.glass-panel, .topic-card, .mcq-btn, .btn-option, #game-arena, #game-content { 
  -webkit-backface-visibility: hidden !important; 
  backface-visibility: hidden !important; 
  -webkit-transform: translateZ(0) !important; 
  transform: translateZ(0) !important; 
  will-change: transform, opacity, background-color; 
}

/* Progress Bar Smooth */
#progress-bar { transition: width 1s linear !important; will-change: width; }

/* Scrollbars */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: rgba(15, 23, 42, 0.5); }
::-webkit-scrollbar-thumb { background: rgba(8, 145, 178, 0.8); border-radius: 10px; }

/* ផ្ទាំងកញ្ចក់ */
.glass-panel { background: rgba(8, 51, 68, 0.85); backdrop-filter: blur(12px); border: 1px solid rgba(34, 211, 238, 0.2); box-shadow: rgba(0, 0, 0, 0.5) 0px 8px 25px; border-radius: 24px; padding: min(5vw, 24px); }


/* =======================================================
   ១. ប៊ូតុងជ្រើសរើសមេរៀន (Fluid & Responsive ១០០%) 
======================================================= */
.btn-option { 
  background: linear-gradient(145deg, rgba(22, 78, 99, 0.6), rgba(8, 51, 68, 0.9)); 
  border: 1px solid rgba(34, 211, 238, 0.15); 
  color: rgb(255, 255, 255); 
  padding: min(3vw, 14px) min(2vw, 8px); 
  border-radius: 16px; 
  font-size: clamp(0.85rem, 3.5vw, 1.1rem); 
  font-weight: 600; 
  transition: transform 0.1s, background-color 0.15s, border-color 0.15s; 
  text-align: center; 
  width: 100%; 
  box-shadow: rgba(0, 0, 0, 0.3) 0px 4px 6px -1px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  min-height: clamp(65px, 10vw, 85px); 
  line-height: 1.4; 
  word-break: break-word; 
}
.btn-option:active { transform: scale(0.96) translateZ(0); }
.btn-option:hover { background: rgba(34, 211, 238, 0.1); border-color: rgb(34, 211, 238); box-shadow: rgba(34, 211, 238, 0.15) 0px 0px 15px; color: rgb(34, 211, 238); }


/* =======================================================
   ២. កន្លែងបង្ហាញលំហាត់ (Math Scroll) 
======================================================= */
.math-scroll { 
  overflow-x: auto; 
  overflow-y: hidden;
  max-width: 100%; 
  font-size: clamp(1rem, 4vw, 1.25rem); 
  line-height: 2; 
  color: rgb(236, 254, 255); 
  padding-bottom: 10px; 
  word-break: break-word; 
}
mjx-container { font-size: 110% !important; margin: 0.5em 2px !important; color: inherit !important; line-height: normal !important; display: inline-block; max-width: 100%; }
mjx-container[display="true"] { margin: 1em 0 !important; padding: 5px 0; overflow-x: auto; overflow-y: hidden; display: block; max-width: 100%; }


/* =======================================================
   ៣. ប៊ូតុងចម្លើយ (MCQ Button)
======================================================= */
.mcq-btn { 
  background: rgba(21, 94, 117, 0.3); 
  border: 1px solid rgba(34, 211, 238, 0.2); 
  color: rgb(207, 250, 254); 
  padding: min(3vw, 16px); 
  border-radius: 16px; 
  font-size: clamp(0.95rem, 3.5vw, 1.1rem); 
  font-weight: 600; 
  transition: transform 0.1s, background-color 0.15s, border-color 0.15s; 
  display: flex; 
  align-items: center; 
  gap: 12px; 
  box-shadow: rgba(0, 0, 0, 0.2) 0px 4px 6px; 
  min-height: min-content; 
  width: 100%; 
}
.mcq-btn .opt-key { flex-shrink: 0; z-index: 10; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 50%; font-weight: bold; background: rgb(30, 41, 59); color: white; }
.mcq-btn .opt-text { flex-grow: 1; overflow-x: auto; overflow-y: hidden; padding-bottom: 2px; display: flex; align-items: center; white-space: normal; line-height: 1.6; word-break: break-word; }
.mcq-btn:hover:not(:disabled) { background: rgba(6, 182, 212, 0.15); border-color: rgb(34, 211, 238); transform: translateY(-2px) translateZ(0); }
.mcq-btn:disabled { cursor: not-allowed; opacity: 1 !important; }

/* ពុម្ពប៊ូតុងត្រូវ/ខុស */
.btn-correct { background: rgba(34, 197, 94, 0.2) !important; border-color: rgb(34, 197, 94) !important; color: rgb(74, 222, 128) !important; box-shadow: none !important; }
.btn-wrong { background: rgba(239, 68, 68, 0.15) !important; border-color: rgb(239, 68, 68) !important; color: rgb(248, 113, 113) !important; box-shadow: none !important; }


/* =======================================================
   ៤. គំនូរជីវចល (Animations) & Components ផ្សេងៗ
======================================================= */
.zoom-anim { animation: 0.8s ease-in-out 0s infinite alternate none running zoomIn; }
@keyframes zoomIn { 0% { transform: scale(1); opacity: 0.8; } 100% { transform: scale(1.15); opacity: 1; } }
.bounce-anim { animation: 2s ease 0s infinite normal none running bounce; }
@keyframes bounce { 0%, 100%, 20%, 50%, 80% { transform: translateY(0px); } 40% { transform: translateY(-15px); } 60% { transform: translateY(-8px); } }
.loader { width: 40px; height: 40px; border-width: 4px; border-style: solid; border-color: rgb(21, 94, 117) rgb(21, 94, 117) rgb(34, 211, 238); border-radius: 50%; display: inline-block; animation: 1s linear 0s infinite normal none running rotation; }
@keyframes rotation { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.animate-fade-in { animation: 0.3s ease-out 0s 1 normal forwards running fadeIn; opacity: 0; }
@keyframes fadeIn { 0% { opacity: 0; transform: translateY(10px); } 100% { opacity: 1; transform: translateY(0px); } }

/* ប្លុកដទៃទៀត (Footer, Modals, Cards) */
.timer-warning { color: rgb(250, 204, 21) !important; } .timer-danger { color: rgb(239, 68, 68) !important; }
#draft-modal { position: fixed; inset: 0px; z-index: 10000; background: rgba(2, 6, 23, 0.5); backdrop-filter: blur(2px); display: none; flex-direction: column; padding-bottom: env(safe-area-inset-bottom, 0px); }
#draft-canvas { touch-action: none; background: transparent; cursor: crosshair; display: block; }
.tool-btn { padding: 8px min(3vw, 12px); border-radius: 8px; border: 1px solid rgba(34, 211, 238, 0.2); background: rgba(22, 78, 99, 0.8); color: rgb(255, 255, 255); transition: 0.2s; font-size: clamp(0.8rem, 2.5vw, 0.9rem); }
.tool-btn.active { background: rgb(34, 211, 238); color: rgb(8, 51, 68); border-color: rgb(34, 211, 238); font-weight: bold; }
.topic-card { background: linear-gradient(145deg, rgba(15, 23, 42, 0.8), rgba(8, 51, 68, 0.4)); border: 1px solid rgba(34, 211, 238, 0.15); border-radius: 16px; padding: 24px; transition: 0.3s; position: relative; overflow: hidden; }
.topic-card::before { content: ""; position: absolute; top: 0px; left: 0px; width: 4px; height: 100%; background: rgb(6, 182, 212); }
.quote-box { margin-top: 10px; padding: 12px; background: rgba(255, 255, 255, 0.05); border-left: 4px solid rgb(251, 191, 36); border-radius: 8px; font-style: italic; color: rgb(226, 232, 240); font-size: clamp(0.85rem, 3vw, 0.95rem); text-align: center; }
.footer-container { background: rgb(2, 6, 23); border-top: 1px solid rgb(30, 41, 59); padding: 1.5rem 1rem; text-align: center; margin-top: auto; padding-bottom: max(env(safe-area-inset-bottom), 1.5rem); }
.social-btn { width: 40px; height: 40px; border-radius: 50%; background: rgba(30, 41, 59, 0.8); border: 1px solid rgba(148, 163, 184, 0.2); display: inline-flex; justify-content: center; align-items: center; transition: 0.3s; color: rgb(148, 163, 184); margin: 0px 5px; }

/* វិញ្ញាសា (Exam Paper) */
.exam-list-item { background: rgba(15, 23, 42, 0.6); border: 1px solid rgba(34, 211, 238, 0.2); padding: min(4vw, 15px); border-radius: 12px; margin-bottom: 10px; cursor: pointer; transition: 0.2s; display: flex; justify-content: space-between; align-items: center; }
.exam-paper { background: rgba(30, 41, 59, 0.95); backdrop-filter: blur(10px); padding: min(5vw, 24px); border-radius: 16px; font-family: "Kantumruy Pro", serif; line-height: 1.8; border: 1px solid rgba(34, 211, 238, 0.2); box-shadow: rgba(0, 0, 0, 0.5) 0px 0px 20px; color: rgb(255, 255, 255) !important; overflow-x: hidden; }
.exam-paper h1, .exam-paper h2, .exam-paper h3, .exam-paper h4 { font-weight: bold; margin-top: 30px; margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid rgba(34, 211, 238, 0.3); font-family: Moul, serif; font-size: clamp(1.1rem, 4vw, 1.3rem); text-shadow: rgba(34, 211, 238, 0.3) 0px 0px 10px; display: block; width: 100%; clear: both; color: rgb(34, 211, 238) !important; }
.exam-paper p, .exam-paper li, .exam-paper div, .exam-paper span { display: block; margin-bottom: 15px; line-height: 2.2; color: rgb(255, 255, 255) !important; word-break: break-word; }

/* បណ្ណាល័យរូបមន្ត */
.formula-menu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: min(3vw, 15px); }
.formula-cat-btn { background: rgba(15, 23, 42, 0.8); border: 1px solid rgba(34, 211, 238, 0.15); border-radius: 16px; padding: 20px 10px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; transition: 0.2s; cursor: pointer; }
.formula-cat-icon { font-size: clamp(2rem, 8vw, 2.5rem); margin-bottom: 5px; }
.formula-cat-title { font-family: Moul, serif; font-size: clamp(0.85rem, 3.5vw, 1rem); text-align: center; color: rgb(255, 255, 255); }
.formula-detail-container { background: rgba(15, 23, 42, 0.95); border: 1px solid rgba(34, 211, 238, 0.2); border-radius: 16px; padding: min(4vw, 20px); min-height: 300px; }
.formula-table { width: 100%; border-collapse: collapse; font-size: clamp(0.8rem, 3vw, 0.9rem); margin-top: 10px; }
.formula-table td, .formula-table th { padding: 8px; border-bottom: 1px solid rgba(148, 163, 184, 0.2); text-align: left; }
.integral-list { display: grid; grid-template-columns: 1fr; gap: 10px; }


/* =======================================================
   ៥. Media Queries សម្រាប់អេក្រង់ធំ (Tablet & Desktop)
======================================================= */
@media (min-width: 640px) {
  .integral-list { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 768px) {
  .md\:flex { display: flex; } 
  .md\:hidden { display: none; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:gap-4 { gap: 1rem; }
  .md\:text-left { text-align: left; }
  
  .formula-menu-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  
  /* បង្កើនទំហំធម្មតាពេលលេងលើ Tablet/PC */
  .btn-option { padding: 16px; min-height: 80px; }
  .mcq-btn { padding: 16px; }
  .math-scroll { font-size: 1.25rem; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .formula-menu-grid { grid-template-columns: repeat(4, 1fr); }
}

/* =======================================================
   ៦. ចំណុចសំខាន់៖ ជួសជុលបញ្ហាសម្រាប់ទូរស័ព្ទអេក្រង់ "តូចខ្លាំង" (Small Mobile)
======================================================= */
@media (max-width: 400px) {
  /* បង្រួមប៊ូតុងចម្លើយ និងជម្រើសមេរៀនឲ្យតូចជាងមុនដើម្បីទុកកន្លែងទំនេរ */
  .mcq-btn { 
    min-height: 55px; 
    padding: 10px 12px; 
    font-size: 0.9rem; 
    gap: 8px; 
  }
  .mcq-btn .opt-key { 
    width: 28px; 
    height: 28px; 
    font-size: 0.85rem; 
  }
  .btn-option { 
    min-height: 55px; 
    padding: 10px; 
    font-size: 0.9rem; 
  }
  /* បង្រួមប្រអប់សំនួរ */
  .glass-panel { 
    padding: 14px; 
  }
  /* ទំហំម៉ោង និងអក្សរសំនួរ */
  #timer-display { 
    font-size: 1.6rem !important; 
  }
  .math-scroll { 
    font-size: 1.1rem; 
    line-height: 1.8; 
  }
  /* ទាញទម្លាក់កុំឲ្យជាប់ម៉ោងពេកពេលលាក់ Nav */
  #game-arena { 
    margin-top: 1rem; 
  }
}