/* F4IOZ — global stylesheet, "predictor" dark sci-fi theme. */

:root {
  --bg: #060910;
  --bg-2: #0a0f1a;
  --panel: #0d1220;
  --panel-2: #141a2b;
  --border: #1f2a44;
  --border-strong: #2a3654;
  --text: #e4e4e7;
  --text-dim: #9ca3af;
  --text-muted: #6b7280;
  --accent: #4d9eff;
  --accent-soft: rgba(77, 158, 255, 0.12);
  --accent-dim: #1e5fbf;
  --accent-hover: #7eb6ff;
  --green: #4dffa7;
  --green-dim: #22a35e;
  --cyan: #22d3ee;
  --warn: #fbbf24;
  --red: #ef4444;

  /* Themable surfaces & effects (overridden in light theme) */
  --header-bg-start: rgba(13,18,32,0.85);
  --header-bg-end: rgba(6,9,16,0.65);
  --footer-bg: rgba(13,18,32,0.4);
  --scanline-color: rgba(0,0,0,0.025);
  --grid-line: rgba(255,255,255,0.018);
  --radial-1: rgba(77,158,255,0.08);
  --radial-2: rgba(34,211,238,0.05);
  --row-hover: rgba(77,158,255,0.05);
  --row-stripe: rgba(255,255,255,0.008);
  --input-glow: rgba(77,158,255,0.08);
  --button-glow: rgba(77,158,255,0.4);
  --cyan-soft: rgba(34,211,238,0.08);
  --callsign-bg: rgba(77,255,167,0.06);
  --callsign-glow: rgba(77,255,167,0.1);
  --td-border: rgba(31,42,68,0.5);
  --swatch-border: rgba(255,255,255,0.1);
  --form-color-scheme: dark;

  --max-width: 1200px;
  --radius: 3px;
  --font-sans: 'Exo 2', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --font-display: 'Orbitron', var(--font-sans);
}

:root[data-theme="light"] {
  --bg: #f4f6fa;
  --bg-2: #e8edf5;
  --panel: #ffffff;
  --panel-2: #eef2f8;
  --border: #d0d8e6;
  --border-strong: #a4b1c8;
  --text: #0a0f1a;
  --text-dim: #25324a;
  --text-muted: #455368;
  --accent: #1e5fbf;
  --accent-soft: rgba(30, 95, 191, 0.10);
  --accent-dim: #0b3a82;
  --accent-hover: #154a99;
  --green: #096b2c;
  --green-dim: #137a36;
  --cyan: #065a6e;
  --warn: #7a4d00;
  --red: #a3221b;

  --header-bg-start: rgba(255,255,255,0.92);
  --header-bg-end: rgba(238,242,248,0.78);
  --footer-bg: rgba(238,242,248,0.7);
  --scanline-color: rgba(0,0,0,0.025);
  --grid-line: rgba(10,15,26,0.04);
  --radial-1: rgba(30,95,191,0.07);
  --radial-2: rgba(14,122,146,0.05);
  --row-hover: rgba(30,95,191,0.06);
  --row-stripe: rgba(10,15,26,0.025);
  --input-glow: rgba(30,95,191,0.08);
  --button-glow: rgba(30,95,191,0.30);
  --cyan-soft: rgba(14,122,146,0.10);
  --callsign-bg: rgba(10,139,58,0.08);
  --callsign-glow: rgba(10,139,58,0.12);
  --td-border: rgba(208,216,230,0.7);
  --swatch-border: rgba(10,15,26,0.15);
  --form-color-scheme: light;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; min-height: 100vh; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(circle at 15% 0%, var(--radial-1) 0%, transparent 45%),
    radial-gradient(circle at 85% 100%, var(--radial-2) 0%, transparent 45%),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 44px 44px, 44px 44px;
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}

.scanlines::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 2px,
    var(--scanline-color) 3px,
    var(--scanline-color) 4px
  );
  z-index: 1000;
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus { color: var(--accent-hover); text-decoration: underline; }

::selection { background: var(--accent-soft); color: var(--text); }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--header-bg-start) 0%, var(--header-bg-end) 100%);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 10px 0 12px;
}

.title-block {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}
.title-block:hover, .title-block:focus { text-decoration: none; }

.logo {
  width: 32px;
  height: 32px;
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--accent-soft);
  flex-shrink: 0;
}
.logo::before, .logo::after {
  content: '';
  position: absolute;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: 0.6;
}
.logo::before { width: 14px; height: 14px; }
.logo::after { width: 6px; height: 6px; background: var(--accent); border: none; }

.brand-text { display: flex; flex-direction: column; line-height: 1.1; }

.brand-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
}
.brand-title .callsign {
  display: inline-block;
  font-style: normal;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--green);
  border: 1px solid var(--green-dim);
  background: var(--callsign-bg);
  padding: 2px 8px;
  margin-left: 10px;
  vertical-align: 3px;
  box-shadow: inset 0 0 8px var(--callsign-glow);
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  margin-top: 3px;
  text-transform: uppercase;
}

.site-nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg);
  padding: 2px;
}
.site-nav a, .site-nav button {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 2px;
  transition: color 0.15s, background 0.15s;
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 400;
}
.site-nav a:hover, .site-nav button:hover {
  color: var(--accent);
  background: var(--accent-soft);
  text-decoration: none;
}
.site-nav a.active {
  color: var(--bg);
  background: var(--accent);
}
.site-nav .auth-inline { display: inline; margin: 0; padding: 0; }
.site-nav .auth-inline button { font: inherit; }
.site-nav .theme-toggle { padding: 2px 8px; line-height: 1; }
.site-nav .theme-toggle .theme-icon {
  font-size: 14px;
  line-height: 1;
  display: inline-block;
  vertical-align: -1px;
}

@media (max-width: 720px) {
  .site-nav a, .site-nav button { padding: 3px 8px; letter-spacing: 0.12em; }
  .brand-title { font-size: 15px; }
}

/* ---------- Main ---------- */

.site-main { padding: 24px 20px 32px; min-height: 60vh; }
.site-main.container { padding-top: 24px; padding-bottom: 32px; }

/* ---------- Hero ---------- */

.hero {
  margin: 4px 0 22px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}
.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
}
.hero h1 small {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  margin-top: 6px;
  text-transform: uppercase;
}

.lead {
  font-size: 13px;
  color: var(--text-dim);
  margin: 8px 0 0;
}

/* ---------- Panels (shared chrome) ---------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  margin-bottom: 18px;
}
.panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}
.panel-header {
  padding: 10px 14px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.panel-header .label { color: var(--accent); }
.panel-header .meta { color: var(--text-muted); font-size: 10px; }
.panel-body { padding: 18px; }

/* ---------- Articles ---------- */

.page-head {
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.page-head h1 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
}

.taglist {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: 8px 0 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  background: var(--bg);
  text-transform: lowercase;
}
.tag:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.tag-count { font-size: 9px; opacity: 0.8; color: var(--text-muted); }

.article-list { list-style: none; padding: 0; margin: 16px 0; }
.article-item {
  padding: 14px 16px;
  margin-bottom: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
}
.article-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 2px;
  background: var(--accent);
  opacity: 0.5;
}
.article-item h2, .article-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.01em;
}
.article-item h2 a, .article-item h3 a { color: var(--text); }
.article-item h2 a:hover, .article-item h3 a:hover { color: var(--accent); text-decoration: none; }
.article-item p { margin: 4px 0; }

.meta {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  margin: 0 0 6px;
}
.meta time { color: var(--text-dim); }

.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 22px 0 6px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pager a { color: var(--cyan); }

.article-head h1 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
}
.hero-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 14px 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.article-body {
  line-height: 1.7;
  font-size: 14.5px;
  color: var(--text);
}
.article-body h2, .article-body h3 {
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-top: 1.8rem;
  font-size: 15px;
}
.article-body h3 { font-size: 13px; margin-top: 1.4rem; }
.article-body a { color: var(--cyan); }
.article-body a:hover { color: var(--accent); }
.article-body pre {
  background: var(--bg);
  color: var(--text);
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
}
.article-body code { font-family: var(--font-mono); font-size: 0.92em; }
.article-body :not(pre) > code {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--cyan);
}
.article-body img { max-width: 100%; height: auto; border-radius: var(--radius); }
.article-body blockquote {
  margin: 14px 0;
  padding: 8px 14px;
  border-left: 3px solid var(--accent);
  color: var(--text-dim);
  background: var(--panel);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.article-body table {
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
}
.article-body th, .article-body td {
  border: 1px solid var(--border);
  padding: 6px 10px;
}
.article-body th { background: var(--panel-2); color: var(--text-dim); }

.article-foot {
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.article-foot a { color: var(--cyan); }

.latest { margin-top: 8px; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 16px 0;
  background: var(--footer-bg);
  margin-top: 40px;
  text-align: center;
  text-transform: uppercase;
}
.site-footer a { color: var(--cyan); }
.site-footer a:hover { color: var(--accent); }
.site-footer p { margin: 0; }

/* ---------- QRZ card ---------- */

.qrz-card {
  margin: 0 0 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  position: relative;
}
.qrz-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}

.qrz-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 10px 14px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}
.qrz-head .callsign {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--green);
  border: 1px solid var(--green-dim);
  background: var(--callsign-bg);
  padding: 2px 8px;
  font-size: 11px;
  text-transform: uppercase;
}
.qrz-name { font-weight: 600; color: var(--text); letter-spacing: 0.08em; }
.qrz-meta { color: var(--text-muted); font-size: 10px; }

.qrz-primary { padding: 14px 14px 4px; }
.qrz-primary img {
  max-width: 100%;
  max-height: 320px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
}

.qrz-bio {
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}
.qrz-bio p { margin: 0 0 10px; }
.qrz-bio img { max-width: 100%; height: auto; border-radius: var(--radius); }
.qrz-bio :last-child { margin-bottom: 0; }
.qrz-bio a { color: var(--cyan); }

.qrz-photos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.qrz-photos img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
}
.qrz-photos a:hover img { opacity: 0.85; outline: 1px solid var(--accent); }

.qrz-source {
  margin: 0;
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  background: var(--panel-2);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.qrz-source a { color: var(--cyan); }

/* ---------- Generic forms / buttons ---------- */

input, select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 11px;
  font-family: var(--font-mono);
  font-size: 13px;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), inset 0 0 12px var(--input-glow);
  background: var(--bg-2);
}
input[type="datetime-local"], input[type="date"], input[type="time"] { color-scheme: var(--form-color-scheme); }
textarea { resize: vertical; min-height: 72px; }

button.primary, .btn-primary {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s;
}
button.primary:hover:not(:disabled),
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 0 24px var(--button-glow);
}
button.primary:disabled, .btn-primary:disabled {
  background: var(--border-strong);
  color: var(--text-muted);
  cursor: not-allowed;
}

button.ghost, .btn-ghost {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--border);
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.15s;
}
button.ghost:hover, .btn-ghost:hover {
  border-color: var(--cyan);
  background: var(--cyan-soft);
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

/* ---------- Tablette / desktop ---------- */

@media (min-width: 640px) {
  .hero h1 { font-size: 26px; }
}