/* =====================================================================
   Terminal / CRT theme overrides
   Loaded last among the head stylesheets.
   ===================================================================== */

/* Terminals have sharp corners. Kill every rounding, even from
   stylesheets loaded later in the page (bundle.css, pitch.css). */
* {
  border-radius: 0 !important;
}

/* Phosphor-green selection + cursor */
::selection {
  background-color: var(--tick-green);
  color: #000;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 1px solid var(--tick-green);
  outline-offset: 2px;
}

/* suppress the browser's default (thick, light) focus ring on mouse focus;
   keyboard focus keeps the green ring above */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
summary:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible),
textarea:focus:not(:focus-visible),
div[onclick]:focus:not(:focus-visible) {
  outline: none;
}

/* ---------- type ---------- */
#root {
  font-family: "Zed Mono Nerd Font", "Share Tech Mono", "Iosevka", monospace;
}

/* transparent parts of images inside content show white so they're visible */
#content img {
  background-color: #ffffff;
}

/* ---------- cards behave like ncurses panels ---------- */
.blog-card,
.course-card,
.bundle-course-card,
.bundle-course-card-showcase,
.bundle-sidebar-card,
.bundle-hw-card,
.sidebar-product,
.product-sidebar,
.pitch-card,
.pitch-feature {
  box-shadow: none !important;
  border: 1px solid var(--linecolor);
}

.blog-card:hover,
.course-card:hover,
.bundle-course-card:hover,
.bundle-course-card-showcase:hover {
  box-shadow: none !important;
  background-color: var(--syntax-border);
}

/* on card hover, badges keep their accent background so they read as chips */
.blog-card:hover [class*="bestseller"],
.course-card:hover [class*="bestseller"],
.bundle-course-card:hover [class*="bestseller"],
.bundle-course-card-showcase:hover [class*="bestseller"],
.post-card:hover [class*="bestseller"] {
  background-color: var(--theme-primary);
  color: #000;
  border-color: #000;
}

.blog-card:hover [class*="beginner"],
.blog-card:hover [class*="intermediate"],
.blog-card:hover [class*="enrolled"],
.course-card:hover [class*="beginner"],
.course-card:hover [class*="intermediate"],
.course-card:hover [class*="enrolled"],
.bundle-course-card:hover [class*="beginner"],
.bundle-course-card:hover [class*="intermediate"],
.bundle-course-card:hover [class*="enrolled"],
.bundle-course-card-showcase:hover [class*="beginner"],
.bundle-course-card-showcase:hover [class*="intermediate"],
.bundle-course-card-showcase:hover [class*="enrolled"],
.post-card:hover [class*="beginner"],
.post-card:hover [class*="intermediate"],
.post-card:hover [class*="enrolled"] {
  background-color: #55ff55;
  color: #000;
  border-color: #000;
}

.blog-card:hover [class*="advance"],
.course-card:hover [class*="advance"],
.bundle-course-card:hover [class*="advance"],
.bundle-course-card-showcase:hover [class*="advance"],
.post-card:hover [class*="advance"] {
  background-color: var(--cafe);
  color: #000;
  border-color: #000;
}

/* fade the badge fill at the same rate as the card background */
.bundle-landing-badge {
  transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease;
}

/* product cover has no hover glow/shadows */
.cover-image:hover {
  box-shadow: none !important;
}

/* ---------- buttons (match the codeblock copy button) ---------- */
button,
.btn,
.menu-special,
.menu-special:link,
.menu-special:visited,
.menu-special:active,
.razorpay-payment-button {
  position: relative;
  border-radius: 0;
  letter-spacing: 0.4px;
  color: var(--syntax-comment);
  background-color: transparent;
  border: 1px solid var(--syntax-border);
  box-shadow: none;
}

button,
.btn,
.menu-special,
.razorpay-payment-button,
.pitch-cta-button {
  box-shadow: none !important;
}

button:hover,
.btn:hover,
.menu-special:hover,
.razorpay-payment-button:hover {
  background-color: var(--syntax-border);
  color: var(--syntax-foreground) !important;
  border-color: var(--syntax-border);
  box-shadow: none !important;
}

/* when a button is hovered every piece of text inside stays readable */
button:hover *,
.btn:hover *,
.menu-special:hover * {
  color: var(--syntax-foreground) !important;
}

/* dark text on amber primary backgrounds for contrast */
.dropdown-summary,
.product-bestseller {
  color: #000;
}

/* product badges match the codeblock copy button */
.product-bestseller,
.product-beginner,
.product-intermediate,
.product-free {
  background-color: transparent;
  color: var(--syntax-comment);
  border: 1px solid var(--syntax-border);
  border-radius: 0;
}

.product-bestseller {
  color: var(--theme-primary);
}

.product-beginner,
.product-intermediate,
.product-free {
  color: #55ff55;
}

/* ---------- form fields ---------- */
input,
select,
textarea {
  background-color: var(--bgcolor);
  color: var(--fontcolor);
  border: 1px solid var(--btn-border);
}

input:focus,
select:focus,
textarea:focus {
  outline: 1px solid var(--tick-green);
  border-color: var(--tick-green);
  box-shadow: 0 0 4px var(--tick-green);
}

/* ---------- disabled & fine print ---------- */
.btn-disabled {
  background-color: transparent;
  color: var(--mutedcolor);
  border: 1px solid var(--syntax-border);
  cursor: not-allowed;
  opacity: 0.6;
}

.google-recaptcha {
  color: var(--mutedcolor);
}

#terms .term {
  background-color: var(--dimcolor);
  color: var(--fontcolor);
  border: 1px solid var(--linecolor);
  border-radius: 0;
}

.discount-code {
  background-color: var(--cafe);
  color: #000;
}

/* ---------- code windows ---------- */
.highlight,
.code-block-header,
.code-block-copy,
blockquote,
.admonition {
  border-radius: 0;
}

.code-block-lang {
  font-weight: 600;
}
.code-block-lang::before {
  content: "[";
}
.code-block-lang::after {
  content: "]";
}

p > code,
li > code {
  border-radius: 0;
  background-color: var(--syntax-inline-bg);
  color: var(--fontcolor);
}

/* ---------- typed.js block cursor ---------- */
.typed-cursor {
  color: var(--tick-green);
  animation: terminal-blink 1s step-end infinite;
}

@keyframes terminal-blink {
  50% { opacity: 0; }
  0%, 100% { opacity: 1; }
}

/* ---------- landing showcase ---------- */
.showcase-3d {
  background: radial-gradient(circle at 50% 40%, rgba(0, 255, 0, 0.12), transparent 70%);
}

/* ---------- CRT scrollbars ---------- */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--linecolor) var(--bgcolor);
}
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bgcolor);
}
::-webkit-scrollbar-thumb {
  background: var(--linecolor);
  border: 2px solid var(--bgcolor);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--tick-green);
}

/* ---------- CRT refresh beam: one line sweeping top to bottom ---------- */
body::after {
  content: "";
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  pointer-events: none;
  z-index: 2147483647;
  background: linear-gradient(
    to right,
    rgba(0, 255, 0, 0) 0%,
    rgba(0, 255, 0, 0.22) 15%,
    rgba(0, 255, 0, 0.22) 85%,
    rgba(0, 255, 0, 0) 100%
  );
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.25);
  animation: crt-sweep 2.5s linear 1;
}

@keyframes crt-sweep {
  from { transform: translateY(-2px); }
  to   { transform: translateY(100vh); }
}

@media (prefers-reduced-motion: reduce) {
  body::after {
    animation: none;
    visibility: hidden;
  }
}

/* ---------- homepage post cards ---------- */
.post-card {
  border: 1px solid var(--linecolor);
  box-shadow: none;
  border-radius: 0;
  background-color: var(--dimcolor);

  img {
    border-radius: 0;
  }
}

.post-card:hover {
  box-shadow: none;
  background-color: var(--syntax-border);
  transform: none;
}

/* brand icon as a circular white-framed chip */
#brand .icon {
  max-height: 150px;
  border-radius: 50% !important;
  border: 1px white solid;
}

/* ---------- dropdown lists (match the codeblock copy button) ---------- */
.dropdown-listing {
  overflow: hidden;
}

.dropdown-summary {
  background-color: transparent;
  color: var(--syntax-comment);
  border-bottom: 1px solid var(--syntax-border);
}

.dropdown-summary:hover {
  background-color: var(--syntax-border);
  color: var(--syntax-foreground) !important;
}

.dropdown-listing .chapter-names:hover {
  background-color: var(--syntax-border);
  color: var(--syntax-foreground) !important;
}

/* fade in the list content when it opens */
.dropdown-listing > :not(.dropdown-summary) {
  transition: opacity 0.25s ease;
}

.dropdown-listing[open] > :not(.dropdown-summary) {
  animation: dd-fade-in 0.25s ease;
}

@keyframes dd-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: none; }
}