/*
 * Shared brand-ui foundation for the upcoming Codex refactor.
 *
 * This file is intentionally additive. It does not replace app.css yet.
 * Codex can progressively move repeated auth/setup/admin/header styles here.
 */

:root {
  --brand-bg: #070b14;
  --brand-bg-2: #0d1420;
  --brand-surface: rgba(16, 24, 40, 0.94);
  --brand-surface-soft: rgba(7, 11, 20, 0.72);
  --brand-border: rgba(148, 163, 184, 0.18);
  --brand-border-strong: rgba(148, 163, 184, 0.28);
  --brand-text: #eef2ff;
  --brand-muted: #94a3b8;
  --brand-accent: #7cffa3;
  --brand-accent-2: #7aa2ff;
  --brand-danger: #fca5a5;
  --brand-warning: #fcd34d;
  --brand-radius-sm: 10px;
  --brand-radius-md: 14px;
  --brand-radius-lg: 20px;
  --brand-radius-xl: 24px;
  --brand-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --brand-space-1: 4px;
  --brand-space-2: 8px;
  --brand-space-3: 12px;
  --brand-space-4: 16px;
  --brand-space-5: 24px;
  --brand-space-6: 32px;
}

.brand-page {
  min-height: 100dvh;
  background:
    radial-gradient(circle at top left, rgba(122,162,255,.16), transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(124,255,163,.12), transparent 26%),
    linear-gradient(180deg, var(--brand-bg), var(--brand-bg-2));
  color: var(--brand-text);
}

.brand-card {
  background: linear-gradient(180deg, var(--brand-surface), rgba(10, 15, 27, 0.95));
  border: 1px solid var(--brand-border);
  border-radius: var(--brand-radius-xl);
  box-shadow: var(--brand-shadow);
}

.brand-card-soft {
  background: var(--brand-surface-soft);
  border: 1px solid var(--brand-border);
  border-radius: var(--brand-radius-lg);
}

.brand-stack {
  display: grid;
  gap: var(--brand-space-4);
}

.brand-branding {
  display: grid;
  justify-items: center;
  gap: var(--brand-space-3);
  text-align: center;
}

.brand-auth-logo,
.brand-square-logo {
  width: min(270px, 74vw);
  height: auto;
  display: block;
  border-radius: 0;
  box-shadow: none;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,.35));
}

.brand-banner-frame {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: min(100%, 560px);
  min-height: 88px;
  padding: 0;
  border-radius: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 50%, rgba(122,162,255,.18), transparent 34%),
    radial-gradient(circle at 82% 28%, rgba(124,255,163,.12), transparent 32%),
    linear-gradient(135deg, rgba(6,10,20,.94), rgba(15,23,42,.88));
  border: 1px solid rgba(255,255,255,.06);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.05),
    0 18px 42px rgba(0,0,0,.26);
}

.brand-banner-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.brand-heading {
  margin: 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
  letter-spacing: -0.03em;
}

.brand-eyebrow {
  margin: 0;
  color: var(--brand-accent);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 12px;
  font-weight: 700;
}

.brand-subtext,
.brand-muted {
  color: var(--brand-muted);
}

.brand-form-grid {
  display: grid;
  gap: var(--brand-space-3);
}

.brand-actions {
  display: flex;
  gap: var(--brand-space-3);
  flex-wrap: wrap;
  align-items: center;
}

.brand-note,
.brand-info,
.brand-warning,
.brand-danger-box {
  padding: 12px 14px;
  border-radius: var(--brand-radius-md);
  border: 1px solid var(--brand-border);
  font-size: .875rem;
}

.brand-info {
  background: rgba(99,102,241,.12);
  border-color: rgba(99,102,241,.35);
}

.brand-warning {
  background: rgba(234,179,8,.12);
  border-color: rgba(234,179,8,.45);
}

.brand-danger-box {
  background: rgba(239,68,68,.12);
  border-color: rgba(239,68,68,.45);
}

.brand-scroll {
  min-height: 0;
  overflow: auto;
}

@media (max-width: 900px) {
  .brand-banner-frame {
    width: 100%;
    min-height: 74px;
    border-radius: 18px;
  }
}


.brand-auth-page,
.brand-setup-page {
  display: grid;
  place-items: center;
  padding: 20px;
}

.brand-admin-page {
  margin: 0;
  padding: 24px;
}

.brand-auth-page .login-card,
.brand-setup-page .setup-card {
  width: min(760px, 94vw);
}

.brand-auth-page .login-card {
  width: min(460px, 92vw);
}

.brand-auth-page .auth-brand,
.brand-setup-page .setup-brand {
  margin-bottom: 22px;
}

.brand-auth-page .brand-subtext,
.brand-setup-page .brand-subtext {
  margin: 0;
}

.brand-panel-message {
  padding: 12px 14px;
  border-radius: var(--brand-radius-md);
  font-size: .875rem;
}

.brand-panel-message.is-success {
  background: rgba(16,185,129,.15);
  color: #6ee7b7;
}

.brand-panel-message.is-error {
  background: rgba(220,38,38,.15);
  color: var(--brand-danger);
}

@media (max-width: 720px) {
  .brand-admin-page {
    padding: 14px;
  }
}

/* Header banner refinement for editor mockup */
.topbar.brand-app-header {
  grid-template-columns: max-content minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  min-height: 96px;
  padding: 12px 18px;
}

.brand-lockup.brand-header-lockup {
  display: flex;
  align-items: center;
  min-width: 0;
}

.brand-header-lockup .brand-banner-shell {
  width: clamp(360px, 24vw, 440px);
  height: 82px;
  min-height: 82px;
  border-radius: 18px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 50%, rgba(122,162,255,.18), transparent 34%),
    radial-gradient(circle at 82% 28%, rgba(124,255,163,.12), transparent 32%),
    linear-gradient(135deg, rgba(6,10,20,.94), rgba(15,23,42,.88));
  border: 1px solid rgba(255,255,255,.06);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.05),
    0 18px 42px rgba(0,0,0,.26);
}

.brand-header-lockup .brand-banner {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  display: block;
}

.top-actions.brand-header-actions {
  margin-left: auto;
  min-height: 58px;
  padding: 8px 10px;
  border-radius: 18px;
}

@media (max-width: 900px) {
  .topbar.brand-app-header {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .brand-header-lockup .brand-banner-shell {
    width: min(100%, 520px);
    height: 76px;
    min-height: 76px;
  }

  .top-actions.brand-header-actions {
    width: 100%;
    justify-content: flex-start;
    margin-left: 0;
  }
}

@media (max-width: 680px) {
  .brand-header-lockup .brand-banner-shell {
    width: 100%;
    height: 70px;
    min-height: 70px;
  }
}