/* Venturi Community Forum — shared styles for forum.html, thread.html, login.html.
   Matches the light glass theme defined inline in index.html. */

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

:root {
  --blue:   #4260FF;
  --sky:    #0EA5E9;
  --glow:   rgba(66,96,255,0.26);
  --text:   #0C1628;
  --text-2: #374060;
  --text-3: #8994B8;
  --bsoft:  rgba(170,205,255,0.45);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(180deg,
    #D8EDFF 0%, #E4F3FF 10%, #EDF8FF 28%,
    #F3FAFF 55%, #F9FCFF 80%, #FDFEFF 100%);
  color: var(--text);
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
body::before {
  content: ''; position: fixed; top: -180px; right: -180px;
  width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(66,96,255,0.11) 0%, transparent 65%);
  pointer-events: none; z-index: 0;
}

.container { max-width: 900px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; width: 100%; }
main { flex: 1; }

/* NAV (matches index.html) */
nav {
  position: sticky; top: 0; z-index: 100;
  padding: 0 40px;
  backdrop-filter: blur(28px); -webkit-backdrop-filter: blur(28px);
  background: rgba(232,246,255,0.78);
  border-bottom: 1px solid rgba(170,210,255,0.32);
}
.nav-inner {
  max-width: 1120px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { font-size: 20px; font-weight: 900; color: var(--text); text-decoration: none; letter-spacing: -0.5px; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--text-2); font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--blue) !important; color: white !important;
  padding: 8px 22px; border-radius: 100px;
  font-weight: 700 !important; font-size: 14px !important;
  box-shadow: 0 0 22px var(--glow), inset 0 1px 0 rgba(255,255,255,0.22);
  transition: all 0.2s !important;
}
.nav-cta:hover {
  box-shadow: 0 0 36px rgba(66,96,255,0.45), inset 0 1px 0 rgba(255,255,255,0.28) !important;
  transform: translateY(-1px); color: white !important;
}
.nav-user {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.72); border: 1px solid rgba(66,96,255,0.28);
  padding: 7px 16px; border-radius: 100px;
  font-size: 13px; font-weight: 700; color: var(--blue) !important;
}
.nav-user .udot { width: 7px; height: 7px; background: #22C55E; border-radius: 50%; }

/* PAGE HEADER */
.page-head { padding: 56px 0 30px; }
.page-head .lbl {
  font-size: 11px; font-weight: 700; letter-spacing: 0.11em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 12px;
}
.page-head h1 { font-size: 40px; font-weight: 800; letter-spacing: -1.5px; color: var(--text); margin-bottom: 12px; }
.page-head p { font-size: 16px; color: var(--text-2); line-height: 1.6; max-width: 560px; }

/* BUTTONS */
.btn-blue {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, #4260FF 0%, #1E90FF 100%);
  color: white; padding: 11px 24px; border-radius: 100px;
  font-size: 14px; font-weight: 700; text-decoration: none;
  border: none; cursor: pointer; font-family: inherit;
  box-shadow: 0 0 24px var(--glow), inset 0 1px 0 rgba(255,255,255,0.25);
  transition: all 0.2s;
}
.btn-blue:hover {
  box-shadow: 0 0 42px rgba(66,96,255,0.5), inset 0 1px 0 rgba(255,255,255,0.3);
  transform: translateY(-1px);
}
.btn-blue:disabled { opacity: 0.55; cursor: default; transform: none; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.72); color: var(--text-2);
  padding: 10px 22px; border-radius: 100px;
  font-size: 14px; font-weight: 600; text-decoration: none;
  border: 1px solid rgba(170,210,255,0.65); cursor: pointer; font-family: inherit;
  transition: all 0.2s;
}
.btn-ghost:hover { background: rgba(255,255,255,0.95); color: var(--text); }
.btn-text {
  background: none; border: none; color: var(--text-3); font-size: 12px;
  font-weight: 600; cursor: pointer; font-family: inherit; padding: 4px 8px;
  border-radius: 8px; transition: all 0.15s;
}
.btn-text:hover { color: var(--blue); background: rgba(66,96,255,0.07); }
.btn-text.danger:hover { color: #DC2626; background: rgba(220,38,38,0.07); }

/* CATEGORY CHIPS */
.cat-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.chip {
  background: rgba(255,255,255,0.66); border: 1px solid rgba(190,220,255,0.55);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  padding: 8px 18px; border-radius: 100px;
  font-size: 13px; font-weight: 600; color: var(--text-2);
  cursor: pointer; font-family: inherit; transition: all 0.18s;
}
.chip:hover { background: rgba(255,255,255,0.92); color: var(--text); }
.chip.active {
  background: var(--blue); color: white; border-color: var(--blue);
  box-shadow: 0 0 18px var(--glow);
}

/* GLASS CARD */
.glass {
  background: rgba(255,255,255,0.68);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(190,220,255,0.48);
  border-radius: 20px;
}

/* THREAD LIST */
.thread-list { display: flex; flex-direction: column; gap: 12px; padding-bottom: 80px; }
.thread-row {
  display: block; text-decoration: none; color: inherit;
  padding: 20px 24px; transition: all 0.2s;
}
.thread-row:hover { background: rgba(255,255,255,0.9); box-shadow: 0 8px 30px rgba(66,96,255,0.10); transform: translateY(-1px); }
.thread-row .t-top { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.thread-row h3 { font-size: 16px; font-weight: 700; color: var(--text); }
.t-cat {
  font-size: 11px; font-weight: 700; color: var(--blue);
  background: rgba(66,96,255,0.09); border: 1px solid rgba(66,96,255,0.18);
  padding: 2px 10px; border-radius: 100px; letter-spacing: 0.03em;
}
.t-pin {
  font-size: 11px; font-weight: 700; color: #B45309;
  background: rgba(245,158,11,0.10); border: 1px solid rgba(245,158,11,0.25);
  padding: 2px 10px; border-radius: 100px;
}
.t-meta { font-size: 13px; color: var(--text-3); }
.t-meta strong { color: var(--text-2); font-weight: 600; }

/* COMPOSER / FORMS */
.composer { padding: 28px; margin-bottom: 26px; }
.composer h2 { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 18px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%;
  background: rgba(255,255,255,0.85); border: 1px solid rgba(170,210,255,0.65);
  border-radius: 14px; padding: 12px 16px;
  font-size: 15px; color: var(--text); font-family: inherit; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(66,96,255,0.12);
}
.field textarea { min-height: 130px; resize: vertical; line-height: 1.6; }
.form-msg { font-size: 14px; margin-top: 10px; min-height: 18px; }
.form-msg.error { color: #DC2626; }
.form-msg.success { color: #16A34A; }
.form-msg.info { color: var(--blue); }

/* THREAD VIEW */
.post { padding: 24px 28px; margin-bottom: 14px; }
.post-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.post-author { display: flex; align-items: center; gap: 11px; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, #4260FF 0%, #0EA5E9 100%);
  color: white; font-size: 14px; font-weight: 800;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.post-author .a-name { font-size: 14px; font-weight: 700; color: var(--text); }
.post-author .a-time { font-size: 12px; color: var(--text-3); margin-top: 1px; }
.post-body { font-size: 15px; color: var(--text-2); line-height: 1.7; white-space: pre-wrap; word-wrap: break-word; }
.post.op { border-color: rgba(66,96,255,0.30); }
.post.op .post-body { color: var(--text); }
.thread-title-block { padding: 40px 0 22px; }
.thread-title-block h1 { font-size: 32px; font-weight: 800; letter-spacing: -1px; line-height: 1.15; margin-bottom: 10px; }
.back-link { font-size: 13px; font-weight: 600; color: var(--text-3); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; margin-bottom: 14px; }
.back-link:hover { color: var(--blue); }

/* SIGN-IN PROMPT */
.signin-prompt { padding: 30px; text-align: center; margin: 10px 0 60px; }
.signin-prompt p { font-size: 15px; color: var(--text-2); margin-bottom: 16px; }

/* AUTH CARD (login.html) */
.auth-wrap { display: flex; justify-content: center; padding: 70px 0 100px; }
.auth-card { width: 100%; max-width: 440px; padding: 38px 36px; }
.auth-card h1 { font-size: 26px; font-weight: 800; letter-spacing: -0.8px; margin-bottom: 6px; }
.auth-card .auth-sub { font-size: 14px; color: var(--text-2); margin-bottom: 24px; line-height: 1.5; }
.auth-tabs { display: flex; gap: 6px; background: rgba(220,238,255,0.6); border-radius: 100px; padding: 4px; margin-bottom: 24px; }
.auth-tabs button {
  flex: 1; padding: 9px 0; border: none; border-radius: 100px;
  font-size: 13px; font-weight: 700; font-family: inherit; cursor: pointer;
  background: transparent; color: var(--text-3); transition: all 0.2s;
}
.auth-tabs button.active { background: white; color: var(--text); box-shadow: 0 2px 10px rgba(66,96,255,0.12); }
.auth-foot { margin-top: 16px; text-align: center; }
.auth-foot button { font-size: 13px; }
.auth-note { font-size: 12px; color: var(--text-3); margin-top: 14px; line-height: 1.5; text-align: center; }

/* EMPTY / LOADING */
.empty { text-align: center; padding: 60px 20px; color: var(--text-3); font-size: 15px; }

/* FOOTER */
footer { border-top: 1px solid rgba(190,220,255,0.35); padding: 36px 0; margin-top: 60px; }
.foot { display: flex; justify-content: space-between; align-items: center; }
.foot-brand { font-weight: 900; font-size: 18px; color: var(--text); }
.foot-links { display: flex; gap: 28px; }
.foot-links a { text-decoration: none; color: var(--text-3); font-size: 14px; font-weight: 500; transition: color 0.2s; }
.foot-links a:hover { color: var(--text-2); }

/* RESPONSIVE */
@media (max-width: 720px) {
  nav { padding: 0 20px; }
  .nav-links { gap: 16px; }
  .nav-links .hide-m { display: none; }
  .container { padding: 0 20px; }
  .page-head h1 { font-size: 30px; }
  .thread-title-block h1 { font-size: 24px; }
  .foot { flex-direction: column; gap: 16px; }
}