/* ===========================================
   BASE.CSS - Reset, Typography, CRT Effects
   =========================================== */

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

/* ===== FONTS ===== */
@font-face {
  font-family: 'JetBrainsMono';
  src: url('../assets/fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrainsMono';
  src: url('../assets/fonts/JetBrainsMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ===== BASE STYLES ===== */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'JetBrainsMono', 'Fira Code', 'Consolas', monospace;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* ===== ANIMATED BACKGROUND ===== */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  background-image: url('../assets/bg/aesthethic-cool-anime1999.gif');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(3px) brightness(0.4);
}

.animated-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 13, 13, 0.75) 0%,
    rgba(26, 26, 46, 0.65) 100%
  );
  pointer-events: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p {
  font-size: 1rem;
  color: var(--text-muted);
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--accent-tertiary);
  text-shadow: 0 0 8px var(--accent-tertiary);
}

code, pre {
  font-family: inherit;
  background: var(--bg-tertiary);
  padding: 0.1em 0.3em;
  border-radius: 2px;
}

/* ===== CRT SCANLINES OVERLAY ===== */
.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 99999;
  background: repeating-linear-gradient(
    transparent 0px,
    rgba(0, 0, 0, var(--scanline-opacity)) 1px,
    transparent 2px,
    transparent 4px
  );
  animation: scanlines-scroll 20s linear infinite;
}

@keyframes scanlines-scroll {
  0% { background-position: 0 0; }
  100% { background-position: 0 100px; }
}

/* ===== CRT FLICKER (subtle) ===== */
.crt-flicker {
  animation: flicker 0.15s infinite;
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.98; }
}

/* ===== GLOW EFFECTS ===== */
.glow-text {
  text-shadow:
    0 0 5px var(--accent-primary),
    0 0 10px var(--accent-primary),
    0 0 20px var(--accent-primary);
}

.glow-text-cyan {
  text-shadow:
    0 0 5px var(--accent-tertiary),
    0 0 10px var(--accent-tertiary);
}

.glow-box {
  box-shadow:
    0 0 5px var(--accent-primary),
    0 0 10px rgba(233, 69, 96, 0.3);
}

/* ===== SELECTION ===== */
::selection {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--accent-secondary);
  border: 1px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}