/* The frame: side rail from 1100 px, icon rail 720 to 1099 px, bottom tab bar below 720 px (docs/17 section 7.2). */
.app { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-block-size: 100vh; }
.skip { position: absolute; inset-inline-start: 8px; inset-block-start: -60px; z-index: 100; background: var(--accent); color: #02131a; padding: 8px 14px; border-radius: 3px; }
.skip:focus { inset-block-start: 8px; text-decoration: none; }

.rail {
  position: sticky; inset-block-start: 0; align-self: start; block-size: 100vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 4px; padding: 14px 10px;
  background: linear-gradient(var(--surface), #070e20); border-inline-end: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; padding: 6px 8px 16px; color: var(--accent); }
.brand .ico { inline-size: 26px; block-size: 26px; filter: drop-shadow(0 0 6px rgba(53, 224, 255, .5)); }
.brand-name { font-weight: 700; letter-spacing: 0; color: var(--text); font-size: 16px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; min-block-size: 40px; padding: 6px 10px;
  color: var(--text-dim); background: none; border: 1px solid transparent; border-radius: var(--r); text-decoration: none; text-align: start; position: relative;
}
.nav-item:hover { color: var(--text); background: rgba(53, 224, 255, .06); text-decoration: none; }
.nav-item[aria-current="page"] { color: var(--accent); background: rgba(53, 224, 255, .10); border-color: rgba(53, 224, 255, .28); }
.nav-item[aria-current="page"]::before { content: ""; position: absolute; inset-inline-end: -11px; inset-block: 8px; inline-size: 3px; background: var(--accent); border-radius: 2px; box-shadow: 0 0 8px var(--accent); }
.nav-more { display: none; }
.rail-foot { margin-block-start: auto; display: grid; gap: 4px; padding-block-start: 12px; border-block-start: 1px solid var(--line); }
.userchip { display: flex; align-items: center; gap: 10px; padding: 6px 10px; color: var(--text-dim); min-inline-size: 0; }
.userchip .nav-label { display: grid; line-height: 1.3; min-inline-size: 0; }
.userchip .uname { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.role { color: var(--text-faint); font-size: 12px; }
.logout:hover { color: var(--bad); background: rgba(255, 92, 117, .08); }

.main { padding: 22px 28px 48px; min-inline-size: 0; }
.page-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-block-end: 18px; padding-block-end: 14px; position: relative; }
.page-head::after { content: ""; position: absolute; inset-inline: 0; inset-block-end: 0; block-size: 1px; background: linear-gradient(90deg, var(--violet), var(--line) 30%, transparent); }
.page-head h1 { font-size: 22px; font-weight: 700; line-height: 1.4; unicode-bidi: isolate; outline: none; }
.head-extra { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
.updated { margin-inline-start: auto; color: var(--text-faint); font-size: 12.5px; }
.view { transition: opacity .2s; }
.view.dim { opacity: .55; }
.page { display: grid; gap: 16px; min-inline-size: 0; }

.banner { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding: 10px 14px; margin-block-end: 16px; border: 1px solid var(--bad); background: rgba(255, 92, 117, .10); border-radius: var(--r); }
.banner .ico { color: var(--bad); }
.banner-last { color: var(--text-dim); margin-inline-start: auto; font-size: 12.5px; }

.toasts { position: fixed; inset-inline-start: 16px; inset-block-end: 16px; z-index: 60; display: grid; gap: 8px; max-inline-size: calc(100vw - 32px); }
.toast { display: flex; gap: 12px; align-items: center; padding: 10px 14px; background: var(--surface-2); border: 1px solid var(--tone); border-inline-start-width: 4px; border-radius: var(--r); box-shadow: 0 8px 28px rgba(0, 0, 0, .5); }

/* login and the full page states */
.login-wrap, .splash { min-block-size: 100vh; display: grid; place-items: center; padding: 16px; }
.splash { color: var(--text-dim); align-content: center; justify-items: center; gap: 12px; }
.splash .ico { inline-size: 40px; block-size: 40px; color: var(--accent); }
.login-card { inline-size: min(420px, 100%); display: grid; gap: 14px; padding: 28px 24px; }
.login-brand { display: flex; align-items: center; gap: 12px; }
.login-brand .ico { inline-size: 32px; block-size: 32px; color: var(--accent); filter: drop-shadow(0 0 8px rgba(53, 224, 255, .5)); }
.login-brand h1 { font-size: 20px; }
.form-msg { min-block-size: 1.6em; color: var(--bad); font-size: 13.5px; }

/* "more" sheet of the bottom bar */
dialog.sheet { position: fixed; inset: auto 0 0 0; margin: 0; inline-size: 100%; max-inline-size: none; padding: 0; background: var(--surface); color: var(--text); border: 0; border-block-start: 1px solid var(--line); border-start-start-radius: 10px; border-start-end-radius: 10px; }
dialog.sheet::backdrop { background: rgba(2, 5, 14, .7); }
.sheet-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-block-end: 1px solid var(--line); }
.sheet-list { display: grid; padding: 8px; }
.sheet-item { display: flex; align-items: center; gap: 12px; min-block-size: 48px; padding: 8px 12px; color: var(--text); background: none; border: 0; border-radius: var(--r); text-align: start; text-decoration: none; }
.sheet-item:hover { background: rgba(53, 224, 255, .08); text-decoration: none; }

/* icon rail */
@media (max-width: 1099px) {
  .app { grid-template-columns: 64px minmax(0, 1fr); }
  .rail { padding-inline: 8px; align-items: stretch; }
  .nav-label, .brand-name { display: none; }
  .nav-item { justify-content: center; padding-inline: 0; }
  .brand { justify-content: center; padding-inline: 0; }
  .userchip { justify-content: center; padding-inline: 0; }
  .nav-item[aria-current="page"]::before { inset-inline-end: -9px; }
  .main { padding-inline: 20px; }
}

/* bottom tab bar */
@media (max-width: 719px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .rail { position: fixed; inset-block: auto 0; inset-inline: 0; block-size: 60px; z-index: 30; flex-direction: row; gap: 0; padding: 0; overflow: visible; border-inline-end: 0; border-block-start: 1px solid var(--line); background: var(--surface); }
  .rail .brand, .rail-foot, .nav-item.extra { display: none; }
  .nav-item, .nav-more { flex: 1; min-inline-size: 0; flex-direction: column; justify-content: center; gap: 2px; padding: 4px 2px; border-radius: 0; font-size: 11.5px; }
  .nav-more { display: flex; }
  .nav-label { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-inline-size: 100%; }
  .nav-item[aria-current="page"] { background: rgba(53, 224, 255, .10); border-color: transparent; border-block-start: 2px solid var(--accent); }
  .nav-item[aria-current="page"]::before { display: none; }
  .main { padding: 16px 16px 84px; }
  .page-head h1 { font-size: 19px; }
  .updated { margin-inline-start: 0; inline-size: 100%; }
  .toasts { inset-block-end: 72px; }
}