/* ============================================================
   RoboticForum — eigenständiges Special-Interest-Forum
   Farbschema: Blau/Cyan/Stahl (technisch-nüchtern), bewusst
   kein Bezug zu HUMRA (Rot/Magenta/Lime, Michroma-Display-Font).
   ============================================================ */

:root {
  --blau-tief: #041c3a;
  --blau: #0a4a8f;
  --blau-hell: #2f8fe0;
  --blau-pastell: #b8d8ff;
  --cyan: #24e0d0;
  --cyan-dunkel: #0f8f83;
  --stahl: #1b212b;
  --stahl-bg-dark: #0b1015;
  --paper: #f7f9fb;
  --grau: #c3cbd6;
  --grau-mittel: #7e8a99;

  --font-head: "Segoe UI Semibold", "Segoe UI", Arial, sans-serif;
  --font-body: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --font-mono: "Consolas", "SFMono-Regular", Menlo, monospace;
  --max-w: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--stahl);
  background: var(--paper);
  line-height: 1.65;
  font-size: 17px;
}

.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, .brand {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(1.6rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.25rem, 3vw, 1.8rem); margin-bottom: 0.8em; }
h3 { font-size: 1.1rem; margin-bottom: 0.5em; }

p + p { margin-top: 0.9em; }
a { color: var(--blau); }
a:hover { color: var(--blau-hell); }

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

header.site {
  background: #fff;
  border-bottom: 1px solid #e3e7ec;
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.nav .logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.nav .logo .mark {
  width: 40px; height: 40px; border-radius: 8px;
  background: linear-gradient(135deg, var(--blau), var(--cyan));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 700; color: #fff; font-size: 1.05rem;
}
.nav .logo .brand { color: var(--stahl); font-size: 1.2rem; }
.nav .logo .brand small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--grau-mittel);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

nav.main ul { display: flex; gap: 6px; list-style: none; flex-wrap: wrap; }
nav.main a {
  display: block;
  padding: 10px 14px;
  text-decoration: none;
  color: var(--stahl);
  font-size: 0.95rem;
  border-radius: 6px;
}
nav.main a:hover, nav.main a.active { background: #eef4fb; color: var(--blau); }

.nav-auth { display: flex; align-items: center; gap: 10px; }
.nav-auth a.btn-small, .nav-auth span.who {
  font-size: 0.85rem;
}

#menu-toggle { display: none; }
label.burger { display: none; cursor: pointer; padding: 10px; }
label.burger span { display: block; width: 24px; height: 2px; background: var(--stahl); margin: 5px 0; }

@media (max-width: 860px) {
  label.burger { display: block; }
  nav.main { display: none; width: 100%; }
  #menu-toggle:checked ~ nav.main { display: block; }
  nav.main ul { flex-direction: column; padding-bottom: 12px; }
  .nav { flex-wrap: wrap; }
}

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

.hero {
  position: relative;
  color: var(--paper);
  padding: 0;
  overflow: hidden;
  min-height: 380px;
  display: flex;
  align-items: center;
}
.hero .hero-bg {
  position: absolute; inset: 0;
  background-image: url("../img/hero-roboticforum.jpeg");
  background-size: cover;
  background-position: center 30%;
}
.hero .hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(4,28,58,0.92) 0%, rgba(4,28,58,0.75) 45%, rgba(11,16,21,0.55) 100%);
}
.hero .wrap { position: relative; padding: 78px 24px; }

.hero .kicker {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.hero h1 { max-width: 22ch; }
.hero p.lead { max-width: 58ch; margin-top: 22px; color: #dfe6ee; font-size: 1.1rem; }

.hero .cta { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}
.btn.primary { background: var(--cyan); color: var(--blau-tief); }
.btn.primary:hover { background: #5cf1e4; color: var(--blau-tief); }
.btn.ghost { border: 1px solid var(--grau-mittel); color: var(--paper); }
.btn.ghost:hover { border-color: var(--cyan); color: var(--cyan); }

/* ---------- Sections ---------- */

section.block { padding: 64px 0; }
section.block.alt { background: #eef2f6; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 28px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; margin-top: 28px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 28px; }
@media (max-width: 960px) { .grid3, .grid2, .grid4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid3, .grid2, .grid4 { grid-template-columns: 1fr; } }

.card {
  background: #fff;
  border: 1px solid #e3e7ec;
  border-top: 3px solid var(--blau);
  border-radius: 10px;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: box-shadow 0.15s, transform 0.15s;
}
.card:hover { box-shadow: 0 6px 20px rgba(10,74,143,0.12); transform: translateY(-2px); }
.card h3 { color: var(--stahl); }
.card p { color: #4d5966; font-size: 0.95rem; }
.card .count { font-family: var(--font-mono); font-size: 0.78rem; color: var(--cyan-dunkel); margin-top: 10px; display: block; }

/* ---------- Forum: Thread-Liste ---------- */

.thread-list { margin-top: 24px; border: 1px solid #e3e7ec; border-radius: 10px; overflow: hidden; background: #fff; }
.thread-row {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 16px 20px; border-bottom: 1px solid #edf0f3; text-decoration: none; color: inherit;
}
.thread-row:last-child { border-bottom: none; }
.thread-row:hover { background: #f5f9fc; }
.thread-row .t-main { min-width: 0; }
.thread-row .t-title { font-weight: 600; color: var(--stahl); }
.thread-row .t-meta { font-size: 0.82rem; color: var(--grau-mittel); margin-top: 4px; font-family: var(--font-mono); }
.thread-row .t-stats { font-family: var(--font-mono); font-size: 0.85rem; color: var(--blau); white-space: nowrap; }

.badge {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.04em;
  text-transform: uppercase; background: #eef2f6; color: var(--grau-mittel);
}
.badge.role-admin { background: #ffe9d6; color: #9a4b00; }
.badge.role-editor { background: #dcecff; color: var(--blau); }
.badge.role-user { background: #eef2f6; color: var(--grau-mittel); }
.badge.status-published { background: #dff5ec; color: #0d7a4d; }
.badge.status-pending { background: #fff3cf; color: #8a6800; }
.badge.status-hidden { background: #fde3e3; color: #a3231f; }
.badge.status-skipped { background: #eef2f6; color: var(--grau-mittel); }
.badge.status-failed { background: #fde3e3; color: #a3231f; }

/* ---------- Post / Thread-Detail ---------- */

.post {
  background: #fff; border: 1px solid #e3e7ec; border-radius: 10px;
  padding: 20px 22px; margin-top: 16px;
}
.post .p-head { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; color: var(--grau-mittel); font-family: var(--font-mono); }
.post .p-body { margin-top: 12px; white-space: pre-wrap; }

.social-status-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

/* ---------- Formulare ---------- */

form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { form .row { grid-template-columns: 1fr; } }

label.f { display: block; margin-top: 14px; font-size: 0.9rem; color: #4d5966; }
label.f b { color: var(--blau); }

input[type=text], input[type=email], input[type=password], select, textarea {
  width: 100%;
  padding: 11px 12px;
  margin-top: 5px;
  border: 1px solid #d3d9e0;
  border-radius: 7px;
  font: inherit;
  background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--blau-hell);
  outline-offset: 1px;
  border-color: transparent;
}
textarea { min-height: 160px; resize: vertical; }

button[type=submit], .btn-submit {
  margin-top: 22px;
  padding: 13px 30px;
  background: var(--blau-tief);
  color: var(--cyan);
  border: none;
  border-radius: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  cursor: pointer;
}
button[type=submit]:hover { background: #0a2c52; }

.captcha-box {
  margin-top: 18px;
  padding: 16px;
  background: #eef2f6;
  border: 1px dashed var(--grau);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.captcha-box img { border-radius: 6px; border: 1px solid #d3d9e0; background: #fff; }
.captcha-box input { max-width: 160px; }
.captcha-box a { font-size: 0.85rem; }
.captcha-box [data-captcha-q] { font-family: var(--font-mono); }

.form-msg { margin-top: 16px; padding: 12px 16px; border-radius: 8px; display: none; }
.form-msg.ok { display: block; background: #dff5ec; color: #0d7a4d; border: 1px solid #9adfc0; }
.form-msg.err { display: block; background: #fde3e3; color: #a3231f; border: 1px solid #f4b4b2; }

.hint-box {
  margin-top: 18px; padding: 14px 16px; border-radius: 8px;
  background: #fff3cf; color: #6b5300; border: 1px solid #f0dd94; font-size: 0.9rem;
}

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

footer.site {
  background: var(--stahl-bg-dark);
  color: var(--grau);
  padding: 46px 0 32px;
  margin-top: 40px;
  font-size: 0.92rem;
}
footer.site .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
@media (max-width: 700px) { footer.site .cols { grid-template-columns: 1fr; } }
footer.site h3 { color: var(--paper); font-size: 0.9rem; margin-bottom: 12px; }
footer.site a { color: var(--grau); text-decoration: none; }
footer.site a:hover { color: var(--cyan); }
footer.site ul { list-style: none; }
footer.site li { padding: 3px 0; }
footer.site .legal { margin-top: 34px; padding-top: 18px; border-top: 1px solid #232b36; font-size: 0.8rem; color: var(--grau-mittel); }

/* ---------- Unterseiten ---------- */

.page-head {
  background: linear-gradient(120deg, rgba(10,74,143,0.08), rgba(36,224,208,0.10)), #fff;
  border-bottom: 1px solid #e3e7ec;
  padding: 46px 0 38px;
}
.page-head h1 { color: var(--stahl); }
.page-head p { color: var(--grau-mittel); margin-top: 8px; max-width: 70ch; }

.prose { max-width: 76ch; }
.prose h2 { margin-top: 1.6em; }
.prose ul { margin: 0.7em 0 0.7em 1.3em; }

table.plain { border-collapse: collapse; width: 100%; margin-top: 18px; }
table.plain th, table.plain td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #e3e7ec; }
table.plain th { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--grau-mittel); }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 24px; }

/* ---------- Admin ---------- */

.admin-tabs { display: flex; gap: 8px; flex-wrap: wrap; border-bottom: 1px solid #e3e7ec; margin-bottom: 22px; }
.admin-tabs button {
  padding: 10px 16px; border: none; background: none; cursor: pointer;
  font-family: var(--font-head); font-weight: 700; color: var(--grau-mittel); border-bottom: 2px solid transparent;
}
.admin-tabs button.active { color: var(--blau); border-bottom-color: var(--blau); }
.admin-panel { display: none; }
.admin-panel.active { display: block; }
.admin-login-box { max-width: 380px; margin: 60px auto; background: #fff; border: 1px solid #e3e7ec; border-radius: 10px; padding: 30px; }