/* ============================================================
   DEMON SITE — neocities stylesheet
   ============================================================ */

:root {
  --bg-void:     #000000;
  --blood:       #8b1a0a;
  --blood-dim:   #3a0a04;
  --neon-green:  #39ff7a;
  --neon-cyan:   #00e5ff;
  --neon-blue:   #3d6bff;
  --magenta:     #ff2d78;
  --text:        #c8d6cc;
  --text-muted:  #5a6b5e;
  --text-bright: #e8f5eb;

  --font-mono: "Courier New", "Lucida Console", monospace;

  --border:     1px solid var(--neon-green);
  --border-dim: 1px solid rgba(57, 255, 122, 0.25);

  --glass-bg:   rgba(0, 0, 0, 0.55);
  --glass-blur: blur(12px);

  --grad-text: linear-gradient(
    90deg,
    var(--neon-green) 0%,
    var(--neon-cyan)  40%,
    var(--neon-blue)  70%,
    var(--magenta)    100%
  );
}

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

html, body { min-height: 100dvh; background: var(--bg-void); }

/* --- фон через псевдоэлемент ------------------------------- */
/*
  background-size: auto 100%
  — высота всегда = 100% fixed-контейнера (= 100dvh)
  — ширина пропорциональная, на узких экранах обрезается
  — никаких img тегов
*/
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("https://oneeechan.neocities.org/demon%20copy.png");
  background-size: auto 100%;
  background-position: center center;
  background-repeat: no-repeat;
  z-index: 0;
  pointer-events: none;
}

/* overlay поверх фона */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(
    ellipse 80% 60% at 50% 50%,
    transparent 0%,
    rgba(0,0,0,0.3) 60%,
    rgba(0,0,0,0.6) 100%
  );
  z-index: 0;
  pointer-events: none;
}

body {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  position: relative;
}

/* --- контент поверх фона ----------------------------------- */
.site-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 860px;
  padding: 2rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  text-align: right;
}

/* --- glass ------------------------------------------------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--border);
  padding: 1.75rem 2rem;
  position: relative;
}

.glass::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 18px; height: 18px;
  border-top: 1px solid var(--magenta);
  border-left: 1px solid var(--magenta);
}
.glass::after {
  content: "";
  position: absolute;
  bottom: -1px; right: -1px;
  width: 18px; height: 18px;
  border-bottom: 1px solid var(--blood);
  border-right: 1px solid var(--blood);
}

.glass--blood { border-color: var(--blood); background: rgba(20,4,2,0.55); }
.glass--blood::before { border-color: var(--neon-green); }
.glass--blood::after  { border-color: var(--neon-cyan);  }

/* --- типографика ------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 { font-size: clamp(1.1rem, 2.5vw, 1.6rem); color: var(--neon-green); }
h2::before { content: "// "; color: var(--text-muted); }
h3 { font-size: 1rem; color: var(--neon-cyan); }

p { max-width: 60ch; margin-left: auto; }

a { color: var(--neon-green); text-decoration: none; border-bottom: var(--border-dim); transition: color .15s, border-color .15s; }
a:hover { color: var(--neon-cyan); border-color: var(--neon-cyan); }

hr { border: none; border-top: var(--border-dim); margin: 0.5rem 0; }
hr.blood { border-color: var(--blood); }

/* --- nav --------------------------------------------------- */
nav { display: flex; gap: 1.5rem; justify-content: flex-end; flex-wrap: wrap; padding: 1rem 0; border-bottom: var(--border-dim); }
nav a { border-bottom: none; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
nav a:hover, nav a.active { color: var(--neon-green); }
nav a.active::after { content: " ◀"; color: var(--blood); }

/* --- tags -------------------------------------------------- */
.tag { display: inline-block; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.1rem 0.5rem; border: var(--border-dim); color: var(--text-muted); line-height: 1.8; }
.tag--green { border-color: var(--neon-green); color: var(--neon-green); }
.tag--blood { border-color: var(--blood);      color: var(--blood);      }
.tag--cyan  { border-color: var(--neon-cyan);  color: var(--neon-cyan);  }

/* --- table ------------------------------------------------- */
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: right; padding: 0.4rem 0.75rem; border-bottom: var(--border-dim); }
th { color: var(--neon-green); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; }

/* --- code -------------------------------------------------- */
code { font-family: var(--font-mono); font-size: 0.85em; color: var(--neon-cyan); background: rgba(0,229,255,0.07); border: var(--border-dim); padding: 0.1em 0.4em; }
pre { background: rgba(0,0,0,0.6); border: var(--border-dim); border-left: 2px solid var(--neon-green); padding: 1rem 1.25rem; overflow-x: auto; font-size: 0.82rem; line-height: 1.6; text-align: left; }
pre code { background: none; border: none; padding: 0; color: var(--text); }

blockquote { border-right: 2px solid var(--blood); padding-right: 1rem; color: var(--text-muted); font-style: italic; margin-left: auto; }

ul, ol { padding-right: 1.5rem; padding-left: 0; list-style-position: inside; }
li::marker { color: var(--neon-green); }

/* --- buttons ----------------------------------------------- */
.btn { display: inline-block; font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.45rem 1.1rem; border: var(--border); color: var(--neon-green); background: transparent; cursor: pointer; transition: background .15s, color .15s; }
.btn:hover { background: rgba(57,255,122,0.1); color: var(--text-bright); }
.btn--blood { border-color: var(--blood); color: var(--blood); }
.btn--blood:hover { background: rgba(139,26,10,0.2); color: var(--text-bright); border-bottom: 1px solid var(--blood); }

/* --- footer ------------------------------------------------ */
footer { border-top: var(--border-dim); padding-top: 1rem; font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.08em; }

/* --- mobile ------------------------------------------------ */
@media (max-width: 600px) {
  .site-wrap { padding: 1.25rem 1rem 3rem; }
  .glass { padding: 1.25rem; }
}