/* CrossPost — Nexus Ecosystem styling */
:root {
  --bg-gradient-1: #050810;
  --bg-gradient-2: #0a0e1a;
  --bg-gradient-3: #111827;
  --bg-gradient-4: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.92);
  --overlay-grad-1: rgba(5, 8, 16, 0.1);
  --overlay-grad-2: rgba(5, 8, 16, 0.45);
  --overlay-grad-3: rgba(5, 8, 16, 0.65);
  --gold: #22d3ee;
  --gold-soft: rgba(34, 211, 238, 0.12);
  --gold-border: rgba(99, 102, 241, 0.45);
  --accent: #6366f1;
  --accent-soft: rgba(99, 102, 241, 0.18);
  --text: #f1f5f9;
  --muted: #94a3b8;
  --border: rgba(99, 102, 241, 0.22);
  --ok: #4ade80;
  --err: #f87171;
  --warn: #fbbf24;
  --radius: 18px;
  --font-body: 'Manrope', system-ui, -apple-system, sans-serif;
  --shimmer-a: rgba(99, 102, 241, 0.14);
  --shimmer-b: rgba(34, 211, 238, 0.42);
  --shimmer-c: rgba(99, 102, 241, 0.28);
}

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

html, body {
  min-height: 100%;
  font-family: var(--font-body);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.app-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: linear-gradient(160deg, var(--bg-gradient-1) 0%, var(--bg-gradient-2) 40%, var(--bg-gradient-3) 70%, var(--bg-gradient-4) 100%);
}

.app-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, var(--overlay-grad-1) 0%, var(--overlay-grad-2) 60%, var(--overlay-grad-3) 100%);
}

.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 14px; line-height: 1.5; }
.empty { color: var(--err); }
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }

.screen {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.gold-line {
  height: 2px;
  width: 64px;
  margin: 10px auto 16px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  border-radius: 2px;
}

/* Auth — electric card */
#screen-auth {
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  overflow: hidden;
}

.auth-electric-svg {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.auth-electric-card {
  --auth-border-color: #22d3ee;
  --auth-light-color: #6366f1;
  --auth-gradient-color: rgba(34, 211, 238, 0.35);
  --auth-neutral-900: #0a0e1a;
  width: 100%;
  max-width: 420px;
  padding: 2px;
  border-radius: 24px;
  position: relative;
  background:
    linear-gradient(-30deg, var(--auth-gradient-color), transparent, var(--auth-gradient-color)),
    linear-gradient(to bottom, var(--auth-neutral-900), var(--auth-neutral-900));
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.auth-electric-inner { position: absolute; inset: 0; pointer-events: none; }

.auth-electric-border {
  border: 2px solid rgba(34, 211, 238, 0.45);
  border-radius: 24px;
  padding-right: 4px;
  padding-bottom: 4px;
  width: 100%;
  height: 100%;
}

.auth-electric-main {
  width: 100%;
  height: 100%;
  border-radius: 24px;
  border: 2px solid var(--auth-border-color);
  margin-top: -4px;
  margin-left: -4px;
  filter: url(#turbulent-displace);
}

.auth-electric-glow-1 {
  border: 2px solid rgba(34, 211, 238, 0.55);
  border-radius: 24px;
  position: absolute;
  inset: 0;
  filter: blur(1px);
}

.auth-electric-glow-2 {
  border: 2px solid var(--auth-light-color);
  border-radius: 24px;
  position: absolute;
  inset: 0;
  filter: blur(4px);
}

.auth-electric-overlay-1,
.auth-electric-overlay-2 {
  position: absolute;
  inset: 0;
  border-radius: 24px;
  mix-blend-mode: overlay;
  transform: scale(1.1);
  filter: blur(16px);
  background: linear-gradient(-30deg, white, transparent 30%, transparent 70%, white);
  pointer-events: none;
}

.auth-electric-overlay-1 { opacity: 1; }
.auth-electric-overlay-2 { opacity: 0.5; }

.auth-electric-bg-glow {
  position: absolute;
  inset: 0;
  border-radius: 24px;
  filter: blur(32px);
  transform: scale(1.1);
  opacity: 0.3;
  z-index: -1;
  background: linear-gradient(-30deg, var(--auth-light-color), transparent, var(--auth-border-color));
  pointer-events: none;
}

.auth-electric-content {
  position: relative;
  z-index: 2;
  padding: 32px 24px;
  background: var(--bg-card);
  backdrop-filter: blur(18px);
  border-radius: 22px;
}

@media (hover: none) and (pointer: coarse), (max-width: 640px) {
  .auth-electric-main {
    filter: none;
    animation: auth-electric-border-pulse 2.5s ease-in-out infinite;
  }
  .auth-electric-overlay-1,
  .auth-electric-overlay-2 { display: none; }
  .auth-electric-glow-1 { filter: none; animation: auth-electric-glow-pulse 2.5s ease-in-out infinite; }
  .auth-electric-glow-2 { filter: blur(2px); opacity: 0.85; animation: auth-electric-glow-pulse 2.5s ease-in-out infinite reverse; }
  .auth-electric-content { backdrop-filter: none; background: rgba(15, 23, 42, 0.97); }
}

@keyframes auth-electric-border-pulse {
  0%, 100% { border-color: #22d3ee; box-shadow: 0 0 10px rgba(34, 211, 238, 0.55); }
  50% { border-color: #a5f3fc; box-shadow: 0 0 24px rgba(34, 211, 238, 0.9), 0 0 48px rgba(99, 102, 241, 0.35); }
}

@keyframes auth-electric-glow-pulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}

.auth-brand { text-align: center; margin-bottom: 4px; }

.auth-logo .nexus-mark,
.nexus-mark-sm {
  font-family: var(--font-body);
  font-weight: 800;
  letter-spacing: 0.22em;
  background: linear-gradient(135deg, #22d3ee, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-logo .nexus-mark { font-size: 1.75rem; display: block; }
.nexus-mark-sm { font-size: 1rem; letter-spacing: 0.18em; }

.auth-logo span:last-child {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.2em;
  margin-top: 6px;
  text-transform: uppercase;
}

.subtitle { text-align: center; color: var(--muted); margin: 8px 0 20px; font-size: 14px; }
.auth-footer { text-align: center; margin-top: 16px; font-size: 12px; }

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.auth-tab {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.6);
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.auth-tab.active {
  color: var(--gold);
  border-color: var(--gold-border);
  background: var(--gold-soft);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.15);
}

.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font: inherit;
  font-size: 15px;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft);
}

.btn-primary {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--gold), var(--accent));
  color: #050810;
  font: inherit;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  margin-top: 8px;
}

.btn-primary:active { transform: scale(0.98); }

.btn.btn-primary {
  width: auto;
  color: #050810;
  margin-top: 0;
}

.btn.btn-primary.btn-sm {
  padding: 8px 12px;
  font-size: 12px;
}

.nav-shimmer-btn {
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.2);
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  font: inherit;
  cursor: pointer;
}

.btn-sm {
  padding: 8px 12px;
  border: 1px solid var(--gold-border);
  border-radius: 10px;
  background: var(--gold-soft);
  color: var(--gold);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--muted);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Topbar */
.topbar {
  padding: 12px 16px 10px;
  padding-top: max(12px, env(safe-area-inset-top));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(6, 10, 20, 0.55);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar-brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.topbar-title { line-height: 1.2; }
.topbar-sub { font-size: 12px; color: var(--muted); margin-top: 3px; }

.project-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.project-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; }

.project-select {
  flex: 1;
  min-width: 120px;
  max-width: 220px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: inherit;
  font: inherit;
  font-size: 13px;
}

.project-banner { margin: 0 0 8px; }
.project-banner strong { color: var(--gold); }

main { padding: 16px; max-width: 720px; margin: 0 auto; width: 100%; flex: 1; }

.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--gold-border);
  padding: 12px 18px;
  border-radius: 12px;
  z-index: 100;
  max-width: 90vw;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Social UI */
.social-tabs {
  display: flex;
  gap: 8px;
  margin: 12px 0;
  flex-wrap: wrap;
}

.social-tab {
  flex: 1 1 auto;
  min-width: 100px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.65);
  color: var(--muted);
  font: inherit;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
}

.social-tab.active {
  background: var(--gold-soft);
  border-color: var(--gold-border);
  color: var(--gold);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.12);
}

.social-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.social-field > span {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.social-preview {
  width: 100%;
  max-height: 240px;
  border-radius: 12px;
  margin-top: 8px;
  background: #000;
}

.social-platforms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.social-plat {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  cursor: pointer;
  background: rgba(15, 23, 42, 0.5);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.social-plat--on {
  border-color: rgba(34, 211, 238, 0.45);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.08);
}

.social-plat--off { opacity: 0.55; }
.social-plat-label { font-size: 13px; font-weight: 600; }
.social-plat-hint { font-size: 11px; color: var(--muted); width: 100%; }
.social-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.social-status--ok { color: var(--ok); }
.social-status--err { color: var(--err); }
.social-status--warn { color: var(--warn); }
.social-err { font-size: 12px; color: var(--err); }

.social-account-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.social-connect-details summary { cursor: pointer; color: var(--gold); font-size: 13px; }

.social-oauth-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.social-oauth-hint { font-size: 12px; margin: 0 0 8px; }

.social-connect-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.social-connect-form input {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
  color: inherit;
}

.social-oauth-app-details {
  margin: 10px 0 12px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--gold-border);
  background: rgba(34, 211, 238, 0.04);
}

.social-oauth-app-details summary {
  cursor: pointer;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
}

.oauth-app-lead { font-size: 12px; margin: 8px 0 4px; }
.oauth-redirect-uri code {
  font-size: 11px;
  word-break: break-all;
  color: var(--gold);
}

.oauth-app-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.oauth-app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.oauth-shared-hint {
  font-size: 12px;
  margin: 8px 0;
  color: var(--ok);
}

@media (min-width: 640px) {
  .social-platforms-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .auth-electric-main,
  .auth-electric-glow-1,
  .auth-electric-glow-2,
  .auth-electric-bg-glow,
  .auth-electric-card { animation: none !important; }
  .auth-electric-main { filter: none; }
}