@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap');

:root {
  --bg:         #080606;
  --surface:    #0f0909;
  --surface2:   #1a0c0c;
  --border:     #2a0a0a;
  --border2:    #3d1010;
  --red:        #c0392b;
  --red-dark:   #7a1515;
  --red-bright: #ff5555;
  --text:       #d4cece;
  --text-dim:   #554444;
  --text-muted: #7a6060;
  --text-red:   #ff7070;
  --green:      #4ade80;
  --yellow:     #fbbf24;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

/* CRT scanlines */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.12) 3px,
    rgba(0,0,0,0.12) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* CRT vignette */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
  z-index: 9998;
}

/* ── Navigation ────────────────────────────────────────────── */

nav {
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-red);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-logo img {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  image-rendering: pixelated;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin-left: auto;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.15s;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover  { color: var(--text-red); border-color: var(--red-dark); }
.nav-links a.active { color: var(--text-red); border-color: var(--red); }

/* ── Main container ────────────────────────────────────────── */

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
}

/* ── Terminal box ──────────────────────────────────────────── */

.box {
  border: 1px solid var(--border);
  background: var(--surface);
  margin-bottom: 1.5rem;
}

.box-header {
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-red);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.box-header::before {
  content: '//';
  color: var(--text-dim);
}

.box-body { padding: 1.25rem; }

/* ── Typography ────────────────────────────────────────────── */

h1 { font-size: 1.6rem; font-weight: 700; color: var(--text-red); letter-spacing: -0.01em; }
h2 { font-size: 1.1rem; font-weight: 500; color: var(--text); margin-bottom: 1rem; }
h3 { font-size: 0.9rem; font-weight: 500; color: var(--text-muted); }

p  { color: var(--text-muted); line-height: 1.7; }

.prompt {
  color: var(--text-red);
  font-size: 0.85rem;
}

.prompt::before { content: '> '; color: var(--red); }

/* Blinking cursor */
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.cursor {
  display: inline-block;
  width: 7px;
  height: 0.9em;
  background: var(--red);
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}

/* ── Forms ─────────────────────────────────────────────────── */

.form-group { margin-bottom: 1.25rem; }

label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input[type="text"],
input[type="password"] {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border2);
  padding: 0.6rem 0.8rem;
  font-family: inherit;
  font-size: 0.9rem;
  width: 100%;
  max-width: 420px;
  outline: none;
  transition: border-color 0.15s;
  display: block;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--red);
  background: var(--surface);
}

/* ── Buttons ───────────────────────────────────────────────── */

.btn {
  background: transparent;
  color: var(--text-red);
  border: 1px solid var(--red-dark);
  padding: 0.55rem 1.3rem;
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s, border-color 0.15s;
}

.btn:hover {
  background: var(--red-dark);
  border-color: var(--red);
}

.btn-primary {
  background: var(--red-dark);
  border-color: var(--red);
}

.btn-primary:hover { background: var(--red); }

/* ── Messages ──────────────────────────────────────────────── */

.msg { font-size: 0.82rem; margin-top: 1rem; padding: 0.6rem 0.8rem; border-left: 2px solid; }
.msg.error   { color: #ff7070; border-color: #ff7070; background: #ff707011; }
.msg.success { color: #4ade80; border-color: #4ade80; background: #4ade8011; }

/* ── Table ─────────────────────────────────────────────────── */

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }

th {
  text-align: left;
  padding: 0.55rem 1rem;
  background: var(--surface2);
  color: var(--text-dim);
  font-weight: 400;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

tr:hover td { background: var(--surface); }

/* ── Badges ────────────────────────────────────────────────── */

.badge {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  font-size: 0.72rem;
  border: 1px solid;
  letter-spacing: 0.04em;
}

.badge.green  { color: #4ade80; border-color: #4ade8033; background: #4ade8009; }
.badge.yellow { color: #fbbf24; border-color: #fbbf2433; background: #fbbf2409; }
.badge.red    { color: #ff7070; border-color: #ff707033; background: #ff707009; }
.badge.grey   { color: var(--text-dim); border-color: var(--border2); background: transparent; }

/* ── Divider ───────────────────────────────────────────────── */

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

/* ── Scrollbar ─────────────────────────────────────────────── */

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); }

/* ── Plotly overrides ──────────────────────────────────────── */

.js-plotly-plot .plotly { background: transparent !important; }

/* ── Utility ───────────────────────────────────────────────── */

.dim  { color: var(--text-dim); }
.red  { color: var(--text-red); }
.mono { font-family: inherit; }
.mt1  { margin-top: 0.5rem; }
.mt2  { margin-top: 1rem; }
.mt3  { margin-top: 1.5rem; }