@import url("./style-guide.css");

/* 登入頁僅使用共用 style-guide 與設計師 assets；不影響首頁或視訊頁。 */
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--color-black); color-scheme: dark; }
body { margin: 0; color: var(--color-white); font-family: var(--font-primary); -webkit-font-smoothing: antialiased; }
button, input { font: inherit; color: inherit; touch-action: manipulation; }
button { cursor: pointer; -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: default; opacity: .6; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--color-letter-line); outline-offset: 4px; }
img { display: block; max-width: 100%; object-fit: contain; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.login-shell {
  width: 100%; max-width: var(--layout-max); min-height: 100vh; min-height: 100svh;
  margin-inline: auto; padding: clamp(64px, 20.8333vw, 100px) 32px 48px;
  background: var(--color-black) url("../images/background/content-bg.webp") center top / cover no-repeat;
}
.login-logo { width: 300px; height: auto; margin: 0 auto 18px; }
.login-form { display: grid; gap: 16px; }
.login-field {
  display: flex; align-items: center; gap: 12px; min-width: 0; height: 50px; padding: 0 12px;
  border: 1px solid transparent; border-radius: 16px;
  background: linear-gradient(var(--color-grey2), var(--color-grey2)) padding-box, var(--gradient-choose-line) border-box;
  box-shadow: inset 0 2px 4px var(--color-letter-line), inset 0 -2px 4px var(--color-main-red-line), 0 -1px 4px var(--color-main-green-line);
}
.login-field > img { flex: none; }
.login-field:focus-within { box-shadow: inset 0 1px 5px var(--color-letter-line); }
.login-field input {
  flex: 1; min-width: 0; width: 100%; height: 100%; padding: 0; border: 0; background: transparent;
  font-size: var(--type-window-title-size); font-weight: var(--type-inter-bold-weight); line-height: var(--type-window-title-line);
}
.login-field input::placeholder { color: var(--color-main-blue-line); opacity: 1; }
.login-field input:focus-visible { outline: none; }
.login-eye { display: grid; place-items: center; flex: none; width: 32px; height: 40px; padding: 0; border: 0; background: transparent; }
.login-options { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-width: 0; }
.login-remember { position: relative; display: inline-flex; align-items: center; gap: 6px; min-height: 30px; white-space: nowrap; cursor: pointer; }
.login-remember input { appearance: none; width: 30px; height: 30px; margin: 0; border: 1px solid transparent; border-radius: 9px; background: var(--gradient-main-3) padding-box, var(--gradient-choose-line) border-box; box-shadow: inset 0 2px 4px var(--color-main-green-line); cursor: pointer; }
.login-check { position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; pointer-events: none; background: var(--gradient-choose-line); mask: url("../images/Sidebar%20icon/confirm.webp") center / contain no-repeat; -webkit-mask: url("../images/Sidebar%20icon/confirm.webp") center / contain no-repeat; }
.login-remember input:not(:checked) + .login-check { visibility: hidden; }
.login-switch { justify-content: flex-end; margin-top: 16px; }
.login-forgot { padding: 4px 0; border: 0; border-bottom: 1px solid var(--color-white); background: transparent; white-space: nowrap; }
.login-submit { width: 100%; height: 42px; border: 1px solid transparent; border-radius: 14px 0 14px 0; background: var(--gradient-main-3) padding-box, var(--gradient-choose-line) border-box; box-shadow: inset 0 2px 5px var(--color-main-green-line), inset 0 -5px 12px var(--color-main-red-line); }
.login-submit:not(:disabled):active { filter: brightness(1.15); }
.login-feedback { margin: 0; padding: 12px; border: 1px solid var(--color-main-blue-line); border-radius: 8px; background: var(--color-outer-frame); overflow-wrap: anywhere; }
.login-support-row { display: flex; justify-content: flex-end; margin-top: 42px; }
.login-support { width: 50px; height: 50px; padding: 0; border: 0; border-radius: 50%; background: transparent; }

/* 提示框：背景、字體與按鈕皆引用原 style-guide。 */
html:has(.login-error[open]) { overflow: hidden; }
.login-error {
  width: min(280px, calc(100% - 48px)); max-height: calc(100dvh - 48px);
  margin: auto; padding: 32px 24px 40px; border: 0; border-radius: 12px;
  color: var(--color-white); background: var(--gradient-video-bg);
  text-align: center; overflow-y: auto; overscroll-behavior: contain;
}
.login-error::backdrop { background: var(--color-background-shadow); }
.login-error__icon {
  display: block; width: 120px; height: 120px; margin: 0 auto 8px;
  background: var(--color-live);
  mask: url("../images/icons/x-circle.svg") center / 108px 108px no-repeat;
  -webkit-mask: url("../images/icons/x-circle.svg") center / 108px 108px no-repeat;
}
.login-error__message { margin-top: 20px; }
.login-error__confirm {
  display: block; width: 140px; min-height: 40px; margin: 18px auto 0; padding: 8px 16px;
  border: 1px solid transparent; border-radius: 12px 0 12px 0;
  background: var(--gradient-main-3) padding-box, var(--gradient-choose-line) border-box;
  box-shadow: inset 0 2px 5px var(--color-main-green-line), inset 0 -5px 12px var(--color-main-red-line);
}
.login-error__confirm:active { filter: brightness(1.15); }