/* TrustSocial design system - one file, no build step, no framework. */

:root{
  --bg:#f5f6fb;
  --bg-alt:#eceefa;
  --surface:#ffffff;
  --surface-raised:#ffffff;
  --border:#e3e4ef;
  --border-strong:#cfd1e4;
  --text:#14141f;
  --text-muted:#63647a;
  --text-faint:#9293a8;
  --primary:#4f46e5;
  --primary-strong:#4338ca;
  --primary-soft:#eef0ff;
  --primary-contrast:#ffffff;
  --success:#0e9d67;
  --success-soft:#e3f8ee;
  --warning:#b45309;
  --warning-soft:#fdf1de;
  --info:#2563eb;
  --info-soft:#e8f0fe;
  --danger:#dc2626;
  --danger-soft:#fdeceb;
  --cyan:#0891b2;
  --cyan-soft:#e2f6fa;
  --gray-soft:#eceef3;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(15,15,35,.05);
  --shadow:0 6px 20px -6px rgba(15,15,35,.14),0 1px 2px rgba(15,15,35,.06);
  --shadow-lg:0 28px 60px -20px rgba(15,15,35,.28);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --max-w:1120px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b0b13;
    --bg-alt:#111119;
    --surface:#15151f;
    --surface-raised:#1a1a27;
    --border:#26273a;
    --border-strong:#34354e;
    --text:#f1f1f8;
    --text-muted:#a4a5ba;
    --text-faint:#6f7089;
    --primary:#818cf8;
    --primary-strong:#a5b0fb;
    --primary-soft:#1e1c3d;
    --primary-contrast:#0b0b13;
    --success:#34d399;
    --success-soft:#0e2a20;
    --warning:#fbbf24;
    --warning-soft:#2b2108;
    --info:#60a5fa;
    --info-soft:#0f2038;
    --danger:#f87171;
    --danger-soft:#301313;
    --cyan:#22d3ee;
    --cyan-soft:#0a2530;
    --gray-soft:#1e1f2c;
    --shadow:0 6px 20px -6px rgba(0,0,0,.5),0 1px 2px rgba(0,0,0,.4);
    --shadow-lg:0 28px 60px -20px rgba(0,0,0,.65);
    color-scheme: dark;
  }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;line-height:1.5;
}
img,video{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5rem;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 .75rem}
ul{margin:0;padding:0}
.wrap{max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}
.muted{color:var(--text-muted)}
.faint{color:var(--text-faint);font-size:.82rem}
code,.mono{font-family:var(--font-mono);font-size:.85em}
code{background:var(--gray-soft);padding:.15rem .4rem;border-radius:5px}

/* ---------------------------------------------------------------- buttons */
.btn{
  display:inline-flex;align-items:center;gap:.45rem;justify-content:center;
  font-family:inherit;font-size:.9rem;font-weight:600;cursor:pointer;
  padding:.55rem 1.05rem;border-radius:999px;border:1px solid transparent;
  transition:transform .12s ease,box-shadow .12s ease,background .12s ease,border-color .12s ease;
  white-space:nowrap;text-decoration:none;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:var(--primary-contrast);box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-strong)}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border-strong)}
.btn-secondary:hover{border-color:var(--primary)}
.btn-ghost{background:transparent;color:var(--text);border-color:transparent}
.btn-ghost:hover{background:var(--gray-soft)}
.btn-danger{background:transparent;color:var(--danger);border-color:var(--danger)}
.btn-danger:hover{background:var(--danger-soft)}
.btn-sm{padding:.4rem .8rem;font-size:.8rem}
.btn-lg{padding:.75rem 1.5rem;font-size:1rem}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn svg{width:16px;height:16px;flex-shrink:0}
.btn-sm svg{width:14px;height:14px}

/* ---------------------------------------------------------------- forms */
label{display:block;font-size:.8rem;font-weight:600;color:var(--text-muted);margin-bottom:.3rem}
input[type=text],input[type=password],input[type=datetime-local],textarea,select{
  width:100%;font-family:inherit;font-size:.92rem;color:var(--text);
  padding:.6rem .75rem;border-radius:var(--radius-sm);border:1px solid var(--border-strong);
  background:var(--surface);transition:border-color .12s ease,box-shadow .12s ease;
}
input:focus,textarea:focus,select:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);
}
textarea{min-height:5.5rem;resize:vertical;line-height:1.45}
.field{margin-bottom:.85rem}
.field-row{display:flex;gap:.75rem;flex-wrap:wrap;align-items:flex-end}
.field-row .field{flex:1;min-width:180px;margin-bottom:0}

/* ---------------------------------------------------------------- layout shell */
.site-header{
  position:sticky;top:0;z-index:20;background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:1rem}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.05rem;color:var(--text)}
.brand:hover{text-decoration:none}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-mark svg{width:18px;height:18px}
.site-nav{display:flex;align-items:center;gap:1.5rem}
.site-nav a:not(.btn){color:var(--text-muted);font-weight:600;font-size:.9rem}
.site-nav a:not(.btn):hover{color:var(--text);text-decoration:none}
.nav-links{display:flex;align-items:center;gap:1.5rem}

.app-shell{display:flex;min-height:calc(100vh - 64px)}
.app-main{flex:1;padding:2rem 0 4rem}
.app-header{margin-bottom:1.75rem}
.app-header h1{font-size:1.6rem}
.app-header-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* ---------------------------------------------------------------- cards */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.1rem 1.25rem;margin:0 0 .9rem;box-shadow:var(--shadow-sm);
}
.card-row{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}
.card-actions{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.7rem}
.card-actions form{display:inline-flex}

/* ---------------------------------------------------------------- tags/badges */
.tag{
  display:inline-flex;align-items:center;gap:.3rem;font-size:.7rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.04em;padding:.25rem .55rem;border-radius:999px;
  background:var(--gray-soft);color:var(--text-muted);
}
.tag.pending_review{background:var(--warning-soft);color:var(--warning)}
.tag.scheduled{background:var(--info-soft);color:var(--info)}
.tag.publishing{background:var(--cyan-soft);color:var(--cyan)}
.tag.published{background:var(--success-soft);color:var(--success)}
.tag.failed{background:var(--danger-soft);color:var(--danger)}
.tag.rejected{background:var(--gray-soft);color:var(--text-faint)}
.tag.platform{background:var(--primary-soft);color:var(--primary-strong)}
.tag.platform svg{width:12px;height:12px}
.tag.requires-review{background:var(--warning-soft);color:var(--warning)}

/* ---------------------------------------------------------------- stat strip */
.stat-strip{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.75rem}
.stat-pill{
  display:flex;align-items:baseline;gap:.4rem;background:var(--surface);border:1px solid var(--border);
  border-radius:999px;padding:.45rem .95rem;font-size:.8rem;color:var(--text-muted);box-shadow:var(--shadow-sm);
}
.stat-pill b{font-size:.95rem;color:var(--text)}

/* ---------------------------------------------------------------- post cards */
.section-heading{
  display:flex;align-items:center;gap:.6rem;margin:2rem 0 .8rem;font-size:.95rem;
  text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-weight:700;
}
.section-heading::after{content:"";flex:1;height:1px;background:var(--border)}
.post-caption{white-space:pre-wrap;font-size:.94rem;margin:.6rem 0}
.post-media{margin:.6rem 0;border-radius:var(--radius-sm);overflow:hidden;background:#000;max-width:280px}
.post-media video{width:100%;display:block;max-height:360px}
.post-meta{font-size:.8rem;color:var(--text-faint)}
.edit-form textarea{margin-bottom:.5rem}

/* ---------------------------------------------------------------- empty state */
.empty-state{
  text-align:center;padding:3.5rem 1.5rem;border:1.5px dashed var(--border-strong);border-radius:var(--radius-lg);
  color:var(--text-muted);
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:14px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;
}
.empty-state h3{color:var(--text);margin-bottom:.35rem}

/* ---------------------------------------------------------------- accounts grid */
.account-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.account-card{display:flex;flex-direction:column;gap:.7rem}
.account-card .platform-icon{
  width:40px;height:40px;border-radius:11px;background:var(--primary-soft);color:var(--primary-strong);
  display:flex;align-items:center;justify-content:center;
}
.account-card .platform-icon svg{width:22px;height:22px}
.account-status{font-size:.85rem}
.account-status.ok{color:var(--success)}
.account-status.off{color:var(--text-faint)}

/* ---------------------------------------------------------------- auth card */
.auth-wrap{min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;padding:2rem 1.5rem}
.auth-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:2.25rem 2rem}
.auth-card .brand{justify-content:center;margin-bottom:1.6rem;font-size:1.15rem}
.auth-card .brand-mark{width:36px;height:36px}
.auth-card .brand-mark svg{width:20px;height:20px}
.auth-error{background:var(--danger-soft);color:var(--danger);border-radius:var(--radius-sm);
  padding:.6rem .8rem;font-size:.85rem;margin-bottom:1rem}
.auth-foot{text-align:center;margin-top:1.25rem;font-size:.85rem}

/* ---------------------------------------------------------------- landing page */
.hero{padding:5.5rem 0 4.5rem;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;color:var(--primary-strong);
  background:var(--primary-soft);padding:.35rem .8rem;border-radius:999px;margin-bottom:1.4rem;
}
.hero h1{font-size:clamp(2rem,4.4vw,3.1rem);max-width:820px;margin:0 auto .9rem}
.hero .lead{font-size:1.1rem;color:var(--text-muted);max-width:640px;margin:0 auto 2rem}
.hero-actions{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}

.section{padding:4rem 0}
.section-alt{background:var(--bg-alt)}
.section > .wrap > h2{font-size:1.7rem;text-align:center;margin-bottom:.6rem}
.section-sub{text-align:center;color:var(--text-muted);max-width:560px;margin:0 auto 2.75rem}

.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.25rem}
.feature-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.5rem;box-shadow:var(--shadow-sm);
}
.feature-icon{
  width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary-strong);
  display:flex;align-items:center;justify-content:center;margin-bottom:.9rem;
}
.feature-icon svg{width:22px;height:22px}
.feature-card h3{font-size:1.02rem}
.feature-card p{color:var(--text-muted);font-size:.9rem;margin:0}

.step-list{list-style:none;display:grid;gap:1.5rem;max-width:640px;margin:0 auto}
.step-list li{display:flex;gap:1.1rem;align-items:flex-start}
.step-num{
  flex-shrink:0;width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.95rem;
}
.step-list h3{font-size:1rem;margin-bottom:.2rem}
.step-list p{color:var(--text-muted);font-size:.9rem;margin:0}

.trust-list{list-style:none;display:grid;gap:.85rem;max-width:520px;margin:1.5rem auto 0;text-align:left}
.trust-list li{display:flex;gap:.65rem;align-items:flex-start;font-size:.95rem}
.trust-list li svg{flex-shrink:0;width:20px;height:20px;color:var(--success);margin-top:.1rem}

.cta-band{
  background:linear-gradient(135deg,var(--primary),var(--primary-strong));border-radius:var(--radius-lg);
  color:#fff;padding:3rem 2rem;text-align:center;
}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.85);max-width:480px;margin:0 auto 1.6rem}
.cta-band .btn-primary{background:#fff;color:var(--primary-strong)}
.cta-band .btn-primary:hover{background:#f3f3ff}

.site-footer{border-top:1px solid var(--border);padding:2rem 0;margin-top:2rem}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;
  font-size:.85rem;color:var(--text-faint)}
.footer-inner nav{display:flex;gap:1.2rem}
.footer-inner a{color:var(--text-muted)}

/* ---------------------------------------------------------------- responsive */
@media (max-width:640px){
  .site-nav{gap:.9rem}
  .nav-links a:not(.btn){display:none}
  .hero{padding:3.5rem 0 3rem}
  .section{padding:3rem 0}
  .card-row{gap:.4rem}
}