/* ===========================================================================
 * platform.css — landing, DM authentication, and the campaign dashboard.
 *
 * Built entirely on the existing --cx-* tokens from theme.css, so the new
 * screens read as the same product as the campaign itself: same gold, same
 * parchment text, same dark ground. Nothing here is a second design system.
 * ======================================================================== */

/* In dashboard mode the campaign app is present in the DOM but not this
   page's job. Hide it wholesale rather than unpicking the markup. */
html.platform-dashboard body > *:not(#platform-root) { display: none !important; }
html.platform-dashboard body { overflow: auto; }

#platform-root { display: none; }
html.platform-dashboard #platform-root,
#platform-root:not(:empty) { display: block; }

.platform-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(24px, 5vw, 64px) clamp(16px, 4vw, 32px) 96px;
  color: var(--cx-text, #e8dcc0);
  font-family: inherit;
}

/* --- hero / headings ---------------------------------------------------- */

.platform-hero { text-align: center; margin-bottom: clamp(24px, 4vw, 48px); }

.platform-eyebrow {
  margin: 0 0 10px;
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cx-accent-deep, #c9a24a);
}

.platform-title {
  margin: 0 0 14px;
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  line-height: 1.12;
  font-weight: 600;
  color: var(--cx-accent, #f4c867);
}

.platform-title--sm { font-size: clamp(1.3rem, 2.6vw, 1.75rem); margin-bottom: 0; }

.platform-lede {
  margin: 0 auto;
  max-width: 62ch;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--cx-text-soft, #b0a488);
}

/* --- cards -------------------------------------------------------------- */

.platform-card {
  background: var(--cx-surface, #14100a);
  border: 1px solid var(--cx-border, #2a2418);
  border-radius: 14px;
  padding: clamp(20px, 3vw, 32px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
}

.platform-card--narrow { max-width: 460px; margin: 0 auto; }

.platform-card-title {
  margin: 0 0 18px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--cx-text-strong, #f0e7d2);
}

/* --- forms -------------------------------------------------------------- */

.platform-form { display: grid; gap: 16px; }

.platform-label {
  display: grid;
  gap: 6px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cx-text-dim, #8a8377);
}

.platform-input {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 13px;
  background: var(--cx-field, #100c06);
  border: 1px solid var(--cx-border, #2a2418);
  border-radius: 8px;
  color: var(--cx-text, #e8dcc0);
  font-size: 0.98rem;
  font-family: inherit;
  letter-spacing: normal;
  text-transform: none;
}

.platform-input:focus {
  outline: none;
  border-color: var(--cx-border-strong, #5a4a24);
  box-shadow: 0 0 0 3px rgba(244, 200, 103, 0.12);
}

/* --- buttons ------------------------------------------------------------ */

.platform-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  min-height: 40px;
  background: var(--cx-surface-2, #171208);
  border: 1px solid var(--cx-border, #2a2418);
  border-radius: 8px;
  color: var(--cx-text, #e8dcc0);
  font: inherit;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.platform-btn:hover:not(:disabled) { border-color: var(--cx-border-strong, #5a4a24); }
.platform-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.platform-btn--primary {
  background: var(--cx-accent, #f4c867);
  border-color: var(--cx-accent, #f4c867);
  color: var(--cx-on-accent, #161006);
  font-weight: 600;
}

.platform-btn--danger { color: var(--cx-danger, #e06060); }
.platform-btn--danger:hover:not(:disabled) { border-color: var(--cx-danger, #e06060); }

.platform-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 20px;
}

.platform-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--cx-accent-deep, #c9a24a);
  font: inherit;
  font-size: 0.86rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.platform-link:hover { color: var(--cx-accent, #f4c867); }

/* --- status ------------------------------------------------------------- */

.platform-status {
  display: none;
  margin: 0 0 16px;
  padding: 10px 13px;
  border-radius: 8px;
  background: var(--cx-field, #100c06);
  border: 1px solid var(--cx-border, #2a2418);
  color: var(--cx-text-soft, #b0a488);
  font-size: 0.88rem;
  line-height: 1.5;
}

.platform-status.is-visible { display: block; }
.platform-status.is-error { color: var(--cx-danger, #e06060); border-color: var(--cx-danger-deep, #7a2b2b); }

.platform-note { margin: 0 0 16px; color: var(--cx-text-soft, #b0a488); line-height: 1.6; }
.platform-note.is-error { color: var(--cx-danger, #e06060); }

/* --- dashboard bar + usage ---------------------------------------------- */

.platform-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--cx-border, #2a2418);
}

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

.platform-usage__count {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cx-accent-deep, #c9a24a);
}

/* --- campaign cards ----------------------------------------------------- */

.campaign-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.campaign-card {
  display: flex;
  flex-direction: column;
  background: var(--cx-surface, #14100a);
  border: 1px solid var(--cx-border, #2a2418);
  border-radius: 14px;
  overflow: hidden;
}

.campaign-card.is-archived { opacity: 0.62; }

.campaign-card__art {
  height: 132px;
  background: linear-gradient(140deg, var(--cx-surface-3, #1c1610), var(--cx-bg-2, #0f0c07));
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--cx-border, #2a2418);
}

.campaign-card__glyph { font-size: 2rem; color: var(--cx-accent-dim, #7a6432); }

.campaign-card__body { padding: 16px 18px 4px; flex: 1; }

.campaign-card__name {
  margin: 0 0 6px;
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--cx-text-strong, #f0e7d2);
}

.campaign-card__meta { margin: 0 0 10px; font-size: 0.82rem; color: var(--cx-text-dim, #8a8377); }

.campaign-tag {
  display: inline-block;
  padding: 1px 7px;
  border: 1px solid var(--cx-border-strong, #5a4a24);
  border-radius: 999px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cx-accent-deep, #c9a24a);
}

.campaign-card__link { margin: 0; font-size: 0.78rem; color: var(--cx-text-faint, #5c574d); overflow-wrap: anywhere; }
.campaign-card__link code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.campaign-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 18px 18px;
}

.campaign-card__actions .platform-btn { flex: 1 1 auto; font-size: 0.82rem; padding: 8px 12px; min-height: 36px; }
.campaign-card__actions .platform-btn--primary { flex-basis: 100%; }

@media (max-width: 560px) {
  .platform-bar { flex-direction: column; align-items: flex-start; }
  .campaign-card__actions .platform-btn { flex-basis: calc(50% - 4px); }
}