/* ============================================================
   RosterOS — The Agent Vault (gate + library)
   Extends styles.css; same slate/brass/warm-white system.
   ============================================================ */

/* ---------- gate hero ---------- */
.vault-hero { padding: 88px 0 64px; text-align: center;
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgba(212, 165, 116, 0.08) 0%, transparent 65%),
    var(--slate);
}
.vault-hero__h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08; font-weight: 600; letter-spacing: -0.025em;
  margin: 0 auto 20px; max-width: 720px; color: var(--warm-white);
}
.vault-hero__h1 em { font-style: normal; color: var(--brass); }
.vault-hero__sub {
  font-size: clamp(16px, 1.4vw, 19px); color: var(--warm-white-dim);
  max-width: 640px; margin: 0 auto 36px;
}

/* ---------- inventory stats ---------- */
.vault-stats {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 36px;
  padding: 22px 0; margin: 0 auto;
  border-top: 1px solid var(--slate-line); border-bottom: 1px solid var(--slate-line);
  font-size: 14px; color: var(--warm-white-dim);
}
.vault-stats strong { color: var(--brass); font-weight: 600; }

/* ---------- persona cards ---------- */
.vault-personas {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin-top: 48px;
}
.vault-persona {
  background: var(--slate-2); border: 1px solid var(--slate-line);
  border-radius: var(--radius-lg); padding: 28px 26px; text-align: left;
}
.vault-persona__kicker {
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--brass); margin-bottom: 10px;
}
.vault-persona__h3 { font-size: 19px; font-weight: 600; margin: 0 0 12px; }
.vault-persona ul { margin: 0; padding: 0 0 0 18px; color: var(--warm-white-dim); font-size: 15px; }
.vault-persona li { margin-bottom: 7px; }

/* ---------- auth card ---------- */
.vault-auth {
  max-width: 480px; margin: 0 auto;
  background: var(--slate-2); border: 1px solid var(--slate-line);
  border-radius: var(--radius-lg); padding: 36px 32px;
}
.vault-auth__h2 { font-size: 24px; font-weight: 600; margin: 0 0 6px; text-align: center; }
.vault-auth__sub { font-size: 14px; color: var(--warm-white-dim); text-align: center; margin: 0 0 26px; }
.vault-field { margin-bottom: 14px; }
.vault-field label {
  display: block; font-size: 13px; font-weight: 500;
  color: var(--warm-white-dim); margin-bottom: 6px;
}
.vault-field input, .vault-field select {
  width: 100%; appearance: none;
  background: rgba(250, 249, 247, 0.04);
  border: 1px solid var(--slate-line); border-radius: var(--radius-sm);
  color: var(--warm-white); font: inherit; font-size: 15px;
  padding: 12px 13px; outline: none;
  transition: border-color .25s var(--ease-out);
}
.vault-field input:focus, .vault-field select:focus { border-color: var(--brass); }
.vault-field input::placeholder { color: var(--warm-white-faint); }

.vault-segment { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.vault-segment input { position: absolute; opacity: 0; pointer-events: none; width: 1px; height: 1px; }
.vault-segment label {
  display: block; text-align: center; cursor: pointer;
  font-size: 13.5px; font-weight: 500; color: var(--warm-white-dim);
  border: 1px solid var(--slate-line); border-radius: var(--radius-sm);
  padding: 11px 6px; margin: 0;
  transition: border-color .2s var(--ease-out), color .2s var(--ease-out), background .2s var(--ease-out);
}
.vault-segment input:checked + label {
  color: var(--slate); background: var(--brass); border-color: var(--brass); font-weight: 600;
}

.vault-auth__submit {
  appearance: none; cursor: pointer; width: 100%;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--brass); color: var(--slate);
  font: inherit; font-weight: 600; font-size: 16px;
  padding: 14px 22px; border: 0; border-radius: var(--radius-sm); margin-top: 8px;
  transition: background .2s var(--ease-out), transform .15s var(--ease-out);
}
.vault-auth__submit:hover { background: var(--brass-bright); }
.vault-auth__submit:active { transform: translateY(1px); }
.vault-auth__submit:disabled { opacity: 0.6; cursor: wait; }
.vault-auth__note { font-size: 12.5px; color: var(--warm-white-faint); text-align: center; margin: 14px 0 0; }
.vault-auth__status { font-size: 14px; text-align: center; margin: 14px 0 0; min-height: 1.4em; }
.vault-auth__status--success { color: var(--brass-bright); }
.vault-auth__status--error { color: #E89F8F; }
.vault-auth__toggle {
  display: block; text-align: center; margin-top: 18px;
  font-size: 14px; color: var(--warm-white-dim); cursor: pointer;
  background: none; border: 0; font-family: inherit; width: 100%;
}
.vault-auth__toggle em { font-style: normal; color: var(--brass); }
.vault-auth__toggle:hover em { color: var(--brass-bright); }

/* ---------- secondary CTA ---------- */
.vault-talk { text-align: center; }
.vault-talk__kicker {
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--warm-white-faint); margin-bottom: 14px;
}
.vault-talk a.vault-talk__btn {
  display: inline-block; font-size: 15px; font-weight: 500;
  color: var(--warm-white-dim); border: 1px solid var(--slate-line);
  padding: 12px 22px; border-radius: var(--radius-sm);
  transition: color .25s var(--ease-out), border-color .25s var(--ease-out);
}
.vault-talk a.vault-talk__btn:hover { color: var(--warm-white); border-color: var(--brass); }

/* ---------- library hub ---------- */
.vault-lib-head { padding: 56px 0 8px; }
.vault-lib-head__row { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.vault-lib-head__h1 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 600; letter-spacing: -0.02em; margin: 0; }
.vault-lib-head__sub { color: var(--warm-white-dim); font-size: 15px; margin: 10px 0 0; }
.vault-signout {
  font-size: 13.5px; color: var(--warm-white-faint); background: none; border: 0;
  cursor: pointer; font-family: inherit; padding: 4px 0;
}
.vault-signout:hover { color: var(--warm-white); }

.vault-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 28px 0 8px; }
.vault-tab {
  appearance: none; cursor: pointer; font-family: inherit;
  font-size: 13.5px; font-weight: 500; color: var(--warm-white-dim);
  background: transparent; border: 1px solid var(--slate-line);
  padding: 9px 16px; border-radius: 999px;
  transition: border-color .2s var(--ease-out), color .2s var(--ease-out), background .2s var(--ease-out);
}
.vault-tab:hover { color: var(--warm-white); border-color: var(--warm-white-quiet); }
.vault-tab--active { color: var(--slate); background: var(--brass); border-color: var(--brass); font-weight: 600; }

.vault-cat { margin: 40px 0 0; }
.vault-cat__h2 {
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--warm-white-faint); margin: 0 0 16px;
}
.vault-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.vault-card {
  display: flex; flex-direction: column;
  background: var(--slate-2); border: 1px solid var(--slate-line);
  border-radius: var(--radius-lg); overflow: hidden; cursor: pointer;
  transition: border-color .25s var(--ease-out), transform .2s var(--ease-out);
}
.vault-card:hover { border-color: var(--brass); transform: translateY(-2px); }
.vault-card__cover { aspect-ratio: 1080 / 620; object-fit: cover; object-position: top; width: 100%; }
.vault-card__fallback {
  aspect-ratio: 1080 / 620; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--slate-3) 0%, var(--slate-2) 100%);
  color: var(--brass); font-weight: 600; letter-spacing: 0.12em; font-size: 15px;
  text-transform: uppercase;
}
.vault-card__body { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.vault-card__name { font-size: 16.5px; font-weight: 600; margin: 0; line-height: 1.3; }
.vault-card__who { font-size: 13.5px; color: var(--warm-white-dim); margin: 0; flex: 1; }
.vault-card__open { font-size: 13.5px; font-weight: 600; color: var(--brass); }
.vault-card:hover .vault-card__open { color: var(--brass-bright); }

.vault-loading { padding: 80px 0; text-align: center; color: var(--warm-white-faint); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .vault-personas { grid-template-columns: 1fr; }
  .vault-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .vault-hero { padding: 60px 0 44px; }
  .vault-grid { grid-template-columns: 1fr; }
  .vault-auth { padding: 28px 20px; }
}