/*
 * 原型樣式（結構驗證用，不是定稿視覺）。
 * 色系只吃兩個變數：--im-ac-primary（學院主色）、--im-ac-bg（學院底色），由伺服器依網址所在學院輸出。
 * 淺／深：body.im-tone-light／body.im-tone-dark。版型變體：body.im-layout-a／b。
 * 所有選擇器都以 .im-px／.im-list／.im-video／.im-tf 開頭，不影響既有頁面。
 */

/* 學院導覽列：標記是設計系統的 .im-nav，樣式在 im-theme/assets/css/im-design-system.css，這裡不重複寫。 */

/* ── 外框 ─────────────────────────────────────────────────── */
.im-px { padding-top: 80px; } /* 全站 header 是 80px 高的 fixed */
.im-px--no-global-header { padding-top: 0; }
.im-px__inner { max-width: 1120px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }

.im-px-bc { font-size: 14px; padding: 14px 0; }
.im-px-bc ol { display: flex; flex-wrap: wrap; gap: 4px 8px; list-style: none; margin: 0; padding: 0; } /* 手機也四層，換行不隱藏 */
.im-px-bc li + li::before { content: "›"; margin-right: 8px; color: #999; }
.im-px-bc a { color: var(--im-ac-primary, #333); }

.im-px-hero { background: var(--im-ac-bg, #f5f5f5); padding: clamp(32px, 6vw, 72px) 0; }
.im-tone-dark .im-px-hero { background: var(--im-ac-primary, #333); color: #fff; }
.im-px-hero__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: center; }
.im-layout-b .im-px-hero__grid { grid-template-columns: 1fr; text-align: center; }
.im-px-hero__eyebrow { font-size: 14px; letter-spacing: .12em; margin: 0 0 12px; opacity: .85; }
.im-px-hero h1 { font-size: clamp(28px, 4.2vw, 46px); line-height: 1.25; margin: 0 0 12px; color: inherit; }
.im-px-hero__sub { font-size: 18px; margin: 0 0 24px; }
.im-px-hero__cta { display: inline-block; padding: 12px 28px; border-radius: 999px; font-weight: 700; text-decoration: none; background: var(--im-ac-primary, #333); color: #fff; }
.im-tone-dark .im-px-hero__cta { background: #fff; color: var(--im-ac-primary, #333); }
.im-px-hero__media img { width: 100%; height: auto; border-radius: 12px; display: block; }
@media (max-width: 782px) { .im-px-hero__grid { grid-template-columns: 1fr; } }

.im-px-section { padding: clamp(32px, 5vw, 64px) 0; }
.im-px-section > .im-px__inner > h2 { font-size: clamp(22px, 3vw, 32px); margin: 0 0 24px; border-left: 6px solid var(--im-ac-primary, #333); padding-left: 12px; }
.im-px-content { padding: clamp(24px, 4vw, 56px) 0; }
.im-px-content img { max-width: 100%; height: auto; }
.im-px-form { background: var(--im-ac-bg, #f5f5f5); }
.im-px-empty { color: #666; }

/* ── [im_list] 卡片 ───────────────────────────────────────── */
.im-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; list-style: none; margin: 0; padding: 0; }
.im-card { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,.08); }
.im-card__link { display: block; color: inherit; text-decoration: none; height: 100%; }
.im-card__thumb img { width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover; display: block; }
.im-card__body { display: block; padding: 16px 18px 20px; }
.im-card__tag { display: inline-block; font-size: 12px; padding: 2px 8px; border: 1px solid var(--im-ac-primary, #333); color: var(--im-ac-primary, #333); border-radius: 999px; margin-bottom: 8px; }
.im-card__title { display: block; font-size: 18px; font-weight: 700; line-height: 1.4; }
.im-card__excerpt { display: block; font-size: 14px; color: #555; margin-top: 8px; }
/* 決議 180（業主 10/20，乙線）：卡片標題 hover 不變色、不加底線（原本變學院色，深色頁看起來是咖啡色）。hover 回饋交給卡片右下的動作按鈕。 */

.im-list-group { margin-block-end: 48px; }
.im-list-group__title { font-size: clamp(20px, 2.6vw, 28px); margin: 0 0 20px; }
.im-list-group__title a { color: inherit; text-decoration: none; }

/* ── [im_video] ───────────────────────────────────────────── */
.im-video { position: relative; aspect-ratio: 16 / 9; background: #000; border-radius: 12px; overflow: hidden; max-width: 100%; }
.im-video__frame { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ── [im_test_form] ───────────────────────────────────────── */
.im-tf { max-width: 480px; }
.im-tf__note { font-size: 14px; color: #8a4b00; background: #fff6e5; padding: 8px 12px; border-radius: 6px; }
.im-tf__row { margin: 0 0 16px; }
.im-tf__row label { display: block; font-weight: 700; margin-bottom: 6px; }
.im-tf__row input { width: 100%; padding: 10px 12px; border: 1px solid #bbb; border-radius: 6px; font-size: 16px; box-sizing: border-box; }
.im-tf__hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.im-tf__submit { padding: 12px 32px; border: 0; border-radius: 999px; font-size: 16px; font-weight: 700; cursor: pointer; background: var(--im-ac-primary, #333); color: #fff; }
.im-tf__submit[disabled] { opacity: .6; cursor: wait; }
.im-tf__msg[data-state="ok"] { color: #1a7f37; }
.im-tf__msg[data-state="error"] { color: #b42318; }


/* 丙線 10/07：學院導覽列在 389px 以下的窄螢幕，英文代號（最長 EMMICROBLADING）會把導覽列撐出畫面。
   字級維持 14px，改成：字距歸零、品牌區可縮、間距縮小；320px 等極窄螢幕才會在尾端以「…」截斷。 */
@media (max-width: 389px) {
  .im-nav .im-nav__inner { gap: 10px; }
  .im-nav .im-nav__brand { flex: 0 1 auto; min-width: 0; }
  .im-nav .im-nav__code { letter-spacing: 0 !important; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
}