/* Shared material and elevation, informed by Josh Comeau's Shadow Palette.
   The slate tint and multiple small layers keep depth quiet on light surfaces. */
:root {
  --shadow-color: 206 30% 21%;
  --shadow-xs: 0 1px 2px hsl(var(--shadow-color) / .045),
    0 1px 1px hsl(var(--shadow-color) / .025);
  --shadow-sm: 0 1px 3px -1px hsl(var(--shadow-color) / .065),
    0 6px 14px -9px hsl(var(--shadow-color) / .12);
  --shadow-md: 0 2px 5px -2px hsl(var(--shadow-color) / .075),
    0 12px 26px -13px hsl(var(--shadow-color) / .17);
  --shadow-dialog: 0 4px 10px -4px hsl(var(--shadow-color) / .1),
    0 24px 64px -16px hsl(var(--shadow-color) / .24);
  --shadow-surface: var(--shadow-sm);
  --border-strong: color-mix(in srgb, var(--brand-300) 55%, white);
  --radius-control: 9px;
  --radius-dialog: 18px;
}

.card, .portfolio-card, .finance-kpi, .workspace-hub-card,
.operations-deal-card, .overview-kpis {
  box-shadow: var(--shadow-sm);
}
.project-chat-shell > .conversation-main, .project-chat-welcome,
.project-new-chat, .project-room-link.selected,
.workspace-search-trigger, .aside .nav.active {
  box-shadow: var(--shadow-xs);
}
.project-room-link.selected { border-color: var(--border-strong); }
.project-composer-dock form { box-shadow: var(--shadow-sm); }
.project-chat-shell > .conversation-workspace, .project-source-popover {
  box-shadow: var(--shadow-md);
}
dialog { border-radius: var(--radius-dialog); box-shadow: var(--shadow-dialog); }
#toast { border-radius: 11px; box-shadow: var(--shadow-md); }

.primary, .secondary, .portfolio-open { border-radius: var(--radius-control); }
.primary, .portfolio-open, .project-send-button:not(:disabled) {
  background-color: var(--teal);
  color: var(--on-accent, white);
  box-shadow: var(--shadow-xs);
}
.primary:hover:not(:disabled), .portfolio-open:hover,
.project-send-button:hover:not(:disabled) {
  background: var(--teal);
  color: var(--on-accent, white);
  box-shadow: var(--shadow-sm);
}
.secondary { border-color: var(--border-strong); background: white; }
.secondary:hover:not(:disabled) { background: var(--surface-subtle); }
.primary .ui-icon, .secondary .ui-icon { margin-inline: 0; }
a { color: var(--accent-ink, var(--brand-500)); }
.text-button, .aside .nav.active, .portfolio-create,
.operations-day.today strong, .operations-week-day.today > strong {
  color: var(--accent-ink, var(--brand-500));
}
.portfolio-create { color: var(--on-accent, white); }
.collab-page-header .eyebrow, .portfolio-header .eyebrow,
.finance-header .eyebrow, .finance-entry-title:hover,
.task-open:hover, .portfolio-back:hover {
  color: var(--accent-ink, var(--brand-500));
}
.collab-team-message.mine .collab-message-avatar {
  background: var(--accent-soft, var(--surface-muted));
  color: var(--accent-ink, var(--brand-500));
}
.project-workspace-trigger.selected {
  color: var(--accent-ink, var(--brand-500));
  background: var(--accent-soft, var(--surface-subtle));
}

.auth-form input:not([type="checkbox"]):not([type="color"]),
.auth-form select, .card input:not([type="checkbox"]):not([type="color"]),
.card select, .card textarea, #modal input:not([type="checkbox"]):not([type="color"]),
#modal select, #modal textarea {
  border-color: var(--border-strong);
  border-radius: var(--radius-control);
}
input::placeholder, textarea::placeholder {
  color: var(--brand-500);
  opacity: .85;
}
:is(button, a, input, textarea, select, summary):focus-visible {
  outline: 2px solid var(--focus-ring, var(--brand-500));
  outline-offset: 3px;
}
.project-composer-dock form:focus-within {
  border-color: var(--focus-ring, var(--brand-500));
  box-shadow: var(--shadow-sm),
    0 0 0 3px var(--accent-soft, var(--surface-muted));
}
.project-composer-dock textarea:focus,
.project-composer-dock textarea:focus-visible { outline: none; }

.auth-page {
  position: relative;
  isolation: isolate;
  min-height: 100dvh;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  background: #11212d;
}
.auth-backdrop {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: #11212d url('/media/auth-background.webp') center / cover no-repeat;
  pointer-events: none;
}
.auth-background-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
}
.auth-page[data-video-ready="true"] .auth-background-video { opacity: 1; }
.auth-page::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgb(6 20 27 / .78), rgb(17 33 45 / .34));
  pointer-events: none;
}
.auth-brand {
  position: relative;
  background: transparent;
  color: #e6eeef;
  border: 0;
  padding: clamp(32px, 4.5vw, 72px);
}
.auth-brand::before { content: none; }
.auth-brand-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.auth-brand-head > div { min-width: 0; }
.auth-brand .logo { font-size: 36px; overflow-wrap: anywhere; }
.auth-brand h1, .auth-brand .logo { color: white; }
.auth-brand .logo span, .auth-brand .eyebrow, .auth-brand .auth-quote p { color: #d8e4e8; }
.auth-brand > .small { color: #d8e4e8; margin-bottom: 0; }
.auth-media-toggle {
  flex-shrink: 0;
  max-width: 150px;
  min-height: 36px;
  padding: 8px 11px;
  border: 1px solid rgb(255 255 255 / .32);
  border-radius: 8px;
  background: rgb(17 33 45 / .76);
  color: white;
  font-size: 11px;
  line-height: 1.4;
  text-align: center;
}
.auth-media-toggle[hidden] { display: none; }
.auth-media-toggle:hover { background: #253745; }
.auth-media-toggle:focus-visible { outline-color: white; }
.auth-project {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border-color: rgb(255 255 255 / .3);
  color: #f3f7f8;
  background: rgb(17 33 45 / .6);
}
.auth-form-wrap { background: transparent; padding: 40px clamp(24px, 4vw, 64px); }
.auth-form {
  width: 100%;
  max-width: 440px;
  padding: 34px;
  border: 1px solid rgb(255 255 255 / .8);
  border-radius: 20px;
  background: rgb(250 251 250 / .97);
  box-shadow: var(--shadow-dialog);
}
.auth-form input { background: white; }
.auth-form .primary { justify-content: space-between; }
.auth-form .auth-recovery-link { display: block; margin-top: 14px; padding: 8px 0; font-size: 13px; }

@media (hover: hover) and (pointer: fine) {
  .workspace-hub-card:hover, .portfolio-card:hover, .operations-deal-card:hover {
    box-shadow: var(--shadow-md);
  }
}
@media (max-width: 1050px) {
  .project-chat-sidebar { box-shadow: var(--shadow-dialog); }
}
@media (max-width: 860px) {
  .aside { box-shadow: var(--shadow-dialog); }
}
@media (max-width: 760px) {
  .auth-page { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; }
  .auth-page::before { background: rgb(6 20 27 / .58); }
  .auth-brand { padding: 24px 20px 20px; }
  .auth-brand .logo { font-size: 30px; }
  .auth-brand .eyebrow { font-size: 8px; letter-spacing: 1.1px; margin-bottom: 0; }
  .auth-brand-head { align-items: center; gap: 12px; }
  .auth-media-toggle { max-width: 130px; font-size: 10px; padding: 7px 9px; }
  .auth-form-wrap { padding: 12px 20px 32px; align-items: flex-start; }
  .auth-form { padding: 26px 24px; border-radius: 16px; }
  .auth-form h1 { font-size: 26px; }
}
@media (prefers-reduced-motion: reduce) {
  .card, .portfolio-card, .workspace-hub-card, .operations-deal-card,
  .project-new-chat, .project-room-link, .primary, .secondary,
  .project-composer-dock form { transition: none; }
}