/* ==========================================================================
   ShopMinds AI — 智能体超市（/agents）
   依赖 tokens.css
   ========================================================================== */

.agents-page { background: var(--sm-bg); }

/* --------------------------------------------------------------------- *
 * Hero
 * --------------------------------------------------------------------- */
.ag-hero {
  position: relative;
  padding: 64px 0 44px;
  background:
    radial-gradient(1100px 380px at 12% -10%, rgba(79, 70, 229, .10), transparent 62%),
    radial-gradient(760px 320px at 88% 4%, rgba(6, 182, 212, .10), transparent 60%),
    var(--sm-surface);
  border-bottom: 1px solid var(--sm-border);
}

.ag-hero__inner { max-width: 900px; }
.ag-hero__copy h1 { margin-bottom: 12px; }
.ag-hero__copy .sm-lead { max-width: 640px; }

.ag-search {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 10px 10px 10px 18px;
  background: var(--sm-surface);
  border: 1px solid var(--sm-border-strong);
  border-radius: 16px;
  box-shadow: var(--sm-shadow);
  transition: border-color var(--sm-dur) var(--sm-ease), box-shadow var(--sm-dur) var(--sm-ease);
}

.ag-search:focus-within {
  border-color: var(--sm-brand);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, .12), var(--sm-shadow);
}

.ag-search__icon {
  font-size: 19px;
  color: var(--sm-text-3);
  line-height: 1;
}

.ag-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font: 500 15.5px var(--sm-font);
  color: var(--sm-text);
  padding: 10px 0;
  -webkit-appearance: none;
}

.ag-search input::placeholder { color: var(--sm-text-3); }
.ag-search input::-webkit-search-cancel-button { cursor: pointer; }

.ag-hero__examples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--sm-text-3);
}

.ag-hero__examples button {
  padding: 6px 12px;
  border: 1px solid var(--sm-border);
  border-radius: var(--sm-radius-pill);
  background: rgba(255, 255, 255, .7);
  color: var(--sm-text-2);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--sm-dur) var(--sm-ease);
}

.ag-hero__examples button:hover {
  border-color: var(--sm-brand);
  color: var(--sm-brand);
  background: var(--sm-surface);
}

/* --------------------------------------------------------------------- *
 * 分类筛选
 * --------------------------------------------------------------------- */
.ag-browse { padding-top: 44px; }

.ag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding-bottom: 22px;
}

.ag-filters .sm-chip[data-count="0"] { opacity: .55; }

.ag-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0 20px;
  border-top: 1px solid var(--sm-border);
  flex-wrap: wrap;
}

.ag-toolbar__count {
  font-size: 14px;
  font-weight: 600;
  color: var(--sm-text-2);
  font-variant-numeric: tabular-nums;
}

.ag-toolbar__right { display: flex; align-items: center; gap: 10px; }

.ag-toolbar__right .sm-chip[aria-pressed="true"] {
  background: var(--sm-brand);
  border-color: var(--sm-brand);
  color: #fff;
}

.ag-sort {
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--sm-border);
  border-radius: var(--sm-radius-pill);
  background: var(--sm-surface);
  color: var(--sm-text-2);
  font: 600 13.5px var(--sm-font);
  cursor: pointer;
}

.ag-sort:hover { border-color: var(--sm-brand); color: var(--sm-brand); }

/* 加载态 */
.sm-agent-card.is-skeleton {
  min-height: 232px;
  background: linear-gradient(100deg, #F1F5F9 30%, #F8FAFC 50%, #F1F5F9 70%);
  background-size: 220% 100%;
  animation: ag-shimmer 1.4s var(--sm-ease) infinite;
  border-color: transparent;
  box-shadow: none;
}

@keyframes ag-shimmer {
  from { background-position: 120% 0; }
  to   { background-position: -20% 0; }
}

/* --------------------------------------------------------------------- *
 * How it works
 * --------------------------------------------------------------------- */
.ag-how {
  padding: 68px 0;
  background: var(--sm-surface);
  border-top: 1px solid var(--sm-border);
  border-bottom: 1px solid var(--sm-border);
}

.ag-how__grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 48px;
  align-items: start;
}

.ag-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }

.ag-steps li {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--sm-border);
  border-radius: var(--sm-radius-card);
  background: var(--sm-bg);
}

.ag-steps b {
  flex: 0 0 auto;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: var(--sm-brand-soft);
  color: var(--sm-brand);
  font-size: 14px;
}

.ag-steps h3 { font-size: 15.5px; margin-bottom: 4px; }
.ag-steps p { font-size: 13.5px; color: var(--sm-text-2); line-height: 1.6; }

/* --------------------------------------------------------------------- *
 * CTA
 * --------------------------------------------------------------------- */
.ag-cta { padding-top: 0; }

.ag-cta__panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 40px 44px;
  border-radius: 22px;
  background:
    radial-gradient(680px 260px at 88% -30%, rgba(124, 58, 237, .45), transparent 60%),
    radial-gradient(520px 240px at 6% 120%, rgba(6, 182, 212, .30), transparent 58%),
    var(--sm-dark);
  color: #fff;
  flex-wrap: wrap;
}

.ag-cta__panel h2 { color: #fff; margin-bottom: 8px; }
.ag-cta__panel p { color: var(--sm-invert-2); font-size: 15px; }
.ag-cta__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* --------------------------------------------------------------------- *
 * 智能体详情弹层（Phase 2 将被 /agents/[slug] 独立页替代）
 * --------------------------------------------------------------------- */
.ag-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(11, 16, 32, .58);
  backdrop-filter: blur(3px);
}

.ag-modal.is-open { display: flex; }

.ag-modal__card {
  position: relative;
  width: min(880px, 100%);
  max-height: min(86vh, 880px);
  overflow-y: auto;
  padding: 34px 36px 30px;
  border-radius: 20px;
  background: var(--sm-surface);
  box-shadow: var(--sm-shadow-lg);
}

.ag-modal__close {
  position: absolute;
  top: 16px; right: 16px;
  width: 34px; height: 34px;
  border: 1px solid var(--sm-border);
  border-radius: 10px;
  background: var(--sm-surface);
  color: var(--sm-text-2);
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
}

.ag-modal__close:hover { color: var(--sm-text); border-color: var(--sm-border-strong); }

.ag-modal__loading { color: var(--sm-text-2); font-size: 14.5px; padding: 30px 0; text-align: center; }

.ag-modal__head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }

.ag-modal__meta {
  display: flex; flex-wrap: wrap; gap: 7px;
  font-size: 13px; color: var(--sm-text-3); font-weight: 600; margin-top: 4px;
}

.ag-modal__desc { font-size: 14.5px; line-height: 1.75; color: var(--sm-text-2); }
.ag-modal__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }

.ag-modal__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px 28px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--sm-border);
}

.ag-modal__grid h4,
.ag-modal__related h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--sm-text-3);
  margin-bottom: 10px;
}

.ag-modal__grid ul,
.ag-modal__grid ol { margin: 0; padding-left: 18px; }
.ag-modal__grid li { font-size: 13.5px; line-height: 1.7; color: var(--sm-text-2); }

.ag-modal__platforms { display: flex; flex-wrap: wrap; gap: 6px; }

.ag-modal__related { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--sm-border); }
.ag-modal__related-list { display: flex; flex-wrap: wrap; gap: 8px; }

.ag-modal__actions { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; }

/* --------------------------------------------------------------------- *
 * Responsive
 * --------------------------------------------------------------------- */
@media (max-width: 900px) {
  .ag-hero { padding: 46px 0 34px; }
  .ag-how__grid { grid-template-columns: 1fr; gap: 26px; }
  .ag-cta__panel { padding: 30px 26px; }
}

@media (max-width: 560px) {
  .ag-modal { padding: 0; align-items: flex-end; }
  .ag-modal__card { max-height: 92vh; border-radius: 20px 20px 0 0; padding: 26px 20px 24px; }
  .ag-search { flex-wrap: wrap; padding: 12px 14px; }
  .ag-search input { width: 100%; flex: 1 0 100%; padding: 6px 0; }
  .ag-search .sm-btn { width: 100%; }
  .ag-toolbar { align-items: flex-start; }
  .ag-cta__actions { width: 100%; }
  .ag-cta__actions .sm-btn { flex: 1; }
}