/* Editorial cover + a quiet, accessible login workspace. Fonts load in common.css. */
:root {
  color-scheme: light;
  --bg: #f6f3ef;
  --bg-soft: #ede8e1;
  --surface-strong: #fffdf9;
  --text: #17120e;
  --text-dim: #746a61;
  --text-faint: #746a61;
  --border: #d8d1c8;
  --accent: #0f766e;
  --accent-deep: #0b5d56;
  --red: #b83029;
  --green: #166b4f;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
  --font-serif: 'Noto Serif SC', Georgia, 'Songti SC', serif;
  --font-num: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-body: var(--font-sans);
  --login-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  margin: 0;
  min-width: 0;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
body::before { content: none; }

.login-shell {
  /* Preserve the approved cover's canvas on wide displays; let content grow at zoom. */
  width: min(100%, 1280px, 148.6328125vh);
  margin: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  aspect-ratio: 1522 / 1024;
  gap: clamp(0px, 1vw, 14px);
  align-items: center;
}
.login-aside { position: relative; min-width: 0; }
.login-panel-art {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 8;
  object-fit: contain;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.login-card {
  min-width: 0;
  margin: 0;
  padding: clamp(24px, 3vw, 40px) 0;
  border: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: transparent;
}
/* Animate the cover and brand only: form fields and live errors are immediately visible. */
.login-panel-art, .brand {
  animation: login-reveal 480ms var(--login-ease) both;
}
@keyframes login-reveal {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.brand { margin-bottom: 32px; }
.brand-mark { display: inline-flex; align-items: center; gap: 10px; }
.brand-dot { width: 7px; height: 7px; background: var(--accent); }
.brand-name { font-family: var(--font-num); font-size: 20px; font-weight: 600; letter-spacing: .12em; }
.brand-tag { margin-top: 8px; font-family: var(--font-num); font-size: 10px; line-height: 1.6; color: var(--text-dim); }
.login-heading { margin: 28px 0 0; font-family: var(--font-serif); font-size: clamp(26px, 3vw, 34px); line-height: 1.4; font-weight: 700; }
.form-group { position: relative; margin-bottom: 20px; }
.form-label { display: block; margin-bottom: 9px; font-size: 13px; font-weight: 500; color: var(--text); }
.form-icon { position: absolute; left: 15px; bottom: 18px; color: var(--text-faint); opacity: .8; pointer-events: none; transition: opacity 110ms ease; }
.form-input {
  width: 100%;
  min-width: 0;
  height: 52px;
  padding: 12px 14px 12px 42px;
  border: 1px solid var(--border);
  border-color: var(--border) !important;
  border-radius: 8px;
  background: var(--surface-strong) !important;
  box-shadow: none;
  color: var(--text);
  font: inherit;
  font-size: 16px;
  line-height: 1.5;
}
.form-input::placeholder { color: var(--text-faint); opacity: 1; }
.form-input:focus { border-color: var(--accent) !important; box-shadow: none !important; }
.form-group:focus-within .form-icon { color: var(--accent); opacity: 1; }
.form-input:focus-visible, .login-btn:focus-visible, .link-btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
.login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 52px;
  padding: 12px 18px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 110ms var(--login-ease), opacity 110ms ease;
}
.login-btn:hover:not(:disabled) { background: var(--accent-deep); border-color: var(--accent-deep); }
.login-btn:active:not(:disabled) { transform: translateY(1px); transition-duration: 70ms; }
.login-btn:disabled { opacity: .7; cursor: wait; }
/* Loading text already communicates progress; this static ring adds no ambient loop. */
.spinner { width: 14px; height: 14px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; }
.error-msg {
  min-height: 24px;
  margin-top: 12px;
  color: var(--red);
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
.security-hint { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 18px; color: var(--text-faint); font-size: 11px; line-height: 1.6; }
.security-hint svg { flex: 0 0 auto; }
.device-head { margin-bottom: 20px; }
.device-title { font-family: var(--font-serif); font-size: 18px; font-weight: 700; }
.device-sub { margin-top: 8px; color: var(--text-dim); font-size: 13px; line-height: 1.8; overflow-wrap: anywhere; }
.device-sub b { color: var(--text); font-family: var(--font-num); }
.device-code-input { font-family: var(--font-num); font-size: 17px; letter-spacing: 6px; }
.link-btn {
  display: block;
  width: 100%;
  min-height: 44px;
  margin-top: 8px;
  padding: 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--accent-deep);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: opacity 110ms ease, transform 110ms var(--login-ease);
}
.link-btn:hover:not(:disabled) { text-decoration: underline; text-underline-offset: 4px; }
.link-btn:active:not(:disabled) { transform: translateY(1px); transition-duration: 70ms; }
.link-btn:disabled { color: var(--text-faint); cursor: not-allowed; }
.footer { position: static; width: auto; margin: 24px 0 0; padding: 0; border: 0; background: transparent; color: var(--text-faint); font-family: var(--font-num); font-size: 10px; text-align: center; }

@media (min-width: 861px) {
  .login-aside::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
      linear-gradient(to right, var(--bg) 0%, transparent 7%, transparent 94%, var(--bg) 100%),
      linear-gradient(to bottom, var(--bg) 0%, transparent 7%, transparent 97%, var(--bg) 100%);
  }
}

@media (max-width: 860px) {
  body {
    --mobile-gutter: clamp(14px, 5.333vw, 20px);
    padding: var(--mobile-gutter);
    justify-content: flex-start;
  }
  .login-shell {
    width: min(100%, 520px);
    grid-template-columns: minmax(0, 1fr);
    aspect-ratio: auto;
    gap: 0;
    margin: 0 auto;
  }
  .login-aside {
    width: calc(100% + 2 * var(--mobile-gutter));
    height: clamp(210px, 60vw, 244px);
    margin-inline: calc(-1 * var(--mobile-gutter));
    overflow: hidden;
    background: var(--bg);
  }
  .login-aside::after {
    content: '';
    position: absolute;
    z-index: 1;
    inset: -1px;
    pointer-events: none;
    background:
      linear-gradient(to right, var(--bg) 0%, transparent 10%, transparent 90%, var(--bg) 100%),
      linear-gradient(to bottom, var(--bg) 0%, transparent 7%, transparent 56%, var(--bg) 86%);
  }
  .login-panel-art {
    width: 100%;
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
    object-position: 50% 44%;
  }
  .login-card {
    position: relative;
    z-index: 2;
    margin-top: -18px;
    padding: 0 0 24px;
    border-top: 0;
  }
  .brand { margin-bottom: 18px; }
  .login-heading { margin-top: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .login-panel-art, .brand, .login-btn, .link-btn { opacity: 1; transform: none !important; }
  .login-btn:disabled { opacity: .7; }
}