/*
 * ZAPP Atlas — global styles for the server-rendered (htmx) surface.
 * Loaded by base.html, so rules here apply site-wide across both surfaces.
 */

:root {
  --teal: #357084;
  --ink: #1f2937;
  --muted: #6b7280;
  --bg: #ffffff;
  --white: #ffffff;
  --line: #e5e7eb;
  --btn-bg: #eef3f1;
  --card-dark: #16323b;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Type scale — use these instead of ad-hoc font sizes. */
  --text-xs: 0.75rem;
  --text-sm: 0.85rem;
  --text-base: 1rem;
  --text-md: 1.15rem;
  --text-lg: 1.5rem;
  --text-2xl: 2rem;
  --text-xl: 2.5rem;
}

* {
  box-sizing: border-box;
}

/* Near-zero (not 0) keeps animationend/transitionend events firing for any
   JS that depends on them, while removing perceptible motion. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--text-base);
  color: var(--ink);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: inherit;
}

/* Visible focus ring for keyboard users only (not on mouse click). */
:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: 4px;
}

/* On the teal header/footer a teal ring would be invisible; use white there. */
.site-header :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--white);
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ---- Header ------------------------------------------------------------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 84px;
  padding: 0 2rem;
  background: var(--teal);
  color: var(--white);
}


.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.site-brand__name {
  color: var(--white);
  font-weight: 600;
  font-size: var(--text-lg); /* ~24px */
  letter-spacing: 0.02em;
}

.site-brand__logo {
  height: 30px;
  width: auto;
  display: block;
}

/* One gap drives all spacing; links carry no horizontal padding so every
   item is evenly spaced. */
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a:not(.btn) {
  color: var(--white);
  text-decoration: none;
  font-size: var(--text-base);
  padding: 0.4rem 0;
  transition: color 0.15s ease;
}

.site-nav a:not(.btn):hover {
  color: rgba(255, 255, 255, 0.7);
}

.site-nav__divider {
  width: 1px;
  height: 1.5rem;
  background: rgba(255, 255, 255, 0.5);
}


.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 1rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: var(--text-base);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

/* Inline SVG icons (from templates/icons/) inherit the text color via
   currentColor. Sized relative to the surrounding text. */
.icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

.btn .icon {
  width: 0.7em;
  height: 0.7em;
}

.site-nav .btn--primary {
  background: var(--btn-bg);
  color: var(--teal);
  font-weight: 600;
  border: none;
}

.site-nav .btn--primary:hover {
  background: var(--white);
}

.site-nav .btn--outline {
  border-color: rgba(255, 255, 255, 0.8);
  background: transparent;
  color: var(--white);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* ---- Tooltip ------------------------------------------------------------ */

.tooltip {
  position: relative;
  display: inline-flex;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  background: var(--card-dark);
  color: var(--white);
  font-size: var(--text-xs);
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 30;
}

.tooltip::before {
  content: "";
  position: absolute;
  top: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-bottom-color: var(--card-dark);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
  z-index: 30;
}

.tooltip:hover::after,
.tooltip:hover::before,
.tooltip:focus-within::after,
.tooltip:focus-within::before {
  opacity: 1;
}

/* ---- User menu (signed-in header chip + dropdown) ----------------------- */

.user-menu {
  position: relative;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  cursor: pointer;
  transition: background 0.15s ease;
}

.user-chip:hover {
  background: rgba(255, 255, 255, 0.16);
}

.user-chip__avatar {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--white);
  color: var(--card-dark);
  font-size: var(--text-sm);
  font-weight: 700;
}

.user-chip__text {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

.user-chip__greeting {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
}

.user-chip__name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.user-chip__caret {
  font-size: var(--text-xs);
  opacity: 0.8;
}

.user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 220px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(15, 76, 92, 0.15);
  overflow: hidden;
  z-index: 20;
}

.is-user-open .user-dropdown {
  display: block;
}

/* Scoped under .user-dropdown so these win over `.site-nav a` white text. */
.user-dropdown .user-dropdown__item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.65rem 1rem;
  font-size: var(--text-sm);
  color: var(--ink);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
}

.user-dropdown .user-dropdown__item:hover {
  background: var(--btn-bg);
}

/* Non-clickable info line (ORCID iD) above the actions. */
.user-dropdown__info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  background: #fafbfc;
}

.user-dropdown__info + .user-dropdown__info {
  border-top: none;
}

.user-dropdown__label {
  font-size: var(--text-xs);
  color: var(--muted);
}

.user-dropdown__value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink);
}

.user-dropdown form {
  margin: 0;
}

.user-dropdown .user-dropdown__item[type="submit"] {
  font: inherit;
}

/* ---- Coming soon placeholder ------------------------------------------- */

.coming-soon {
  text-align: center;
  padding: 6rem 1.5rem;
}

.coming-soon h1 {
  font-size: var(--text-xl);
  margin: 0 0 0.5rem;
}

.coming-soon p {
  color: var(--muted);
  font-size: var(--text-md);
  margin: 0;
}

/* ---- Login -------------------------------------------------------------- */

.login {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem 1.5rem;
  text-align: center;
}

/* Logo stacked above the wordmark. */
.login__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.login__logo {
  height: 56px;
  width: auto;
  display: block;
}

.login__wordmark {
  font-weight: 800;
  font-size: var(--text-2xl);
  letter-spacing: 0.02em;
  color: var(--ink);
}

.login__tagline {
  margin: 0 0 2rem;
  color: var(--muted);
}

.login-card {
  align-self: stretch;
  text-align: left;
  background: var(--white);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(15, 76, 92, 0.12);
}

/* Dark header strip at the top of the card. */
.login-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card-dark);
  color: var(--white);
  padding: 1rem 1.5rem;
}

.login-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 22.5px;
  margin: 0;
  color: var(--white);
}

.login-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.12);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
}

.login-card__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #a6ce39;
}

.login-card__body {
  padding: 2rem 2rem 1.75rem;
}

.login-card__lead {
  font-size: var(--text-sm);
  line-height: 21.45px;
  color: #5c7d8a;
  margin: 0 0 1.5rem;
  text-align: center;
}

.login-card__submit {
  width: 100%;
  justify-content: center;
  font-size: var(--text-base);
  padding: 0.85rem 1rem;
}

/* Lower note section with a tinted background and ORCID badge. */
.login-card__note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 24px;
  background: rgba(0, 122, 140, 0.04);
  border-top: 1px solid rgba(0, 80, 100, 0.13);
}

.login-card__note p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 21.45px;
  color: #5c7d8a;
}

.login-card__note .icon--orcid {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin-top: 0.1rem;
}

.login-card__register {
  color: var(--teal);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.login-card__register:hover {
  text-decoration: underline;
}

.login-card__note .icon--external {
  width: 0.85em;
  height: 0.85em;
  margin-left: 0.25rem;
  vertical-align: -0.1em;
}

/* ORCID-branded sign-in button. */
.btn--orcid {
  background: #a6ce39;
  color: var(--ink);
  font-weight: 700;
}

.btn--orcid:hover {
  background: #9ac42f;
}

.btn--orcid .icon--orcid {
  width: 1.3em;
  height: 1.3em;
}

.login__terms {
  font-size: var(--text-sm);
  color: var(--muted);
  margin: 1.5rem 0 0;
}

.login-card--dev {
  margin-top: 2rem;
  background: #fafafa;
}

.login-dev-form {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.login-dev-form label {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-top: 0.5rem;
}

.login-dev-form input {
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

/* ---- Footer ------------------------------------------------------------- */

.site-footer {
  background: var(--teal);
  color: rgba(255, 255, 255, 0.85);
  padding: 2.25rem 2rem 1rem;
  font-size: var(--text-sm);
}

.site-footer__cols {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 4rem;
  max-width: 1100px;
  margin: 0 auto;
  padding-bottom: 2rem;
}

.site-footer__brand {
  flex: 1 1 260px;
}

.site-footer__brand-row {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.site-footer__brand p {
  max-width: 280px;
}

.site-footer__email {
  margin-top: 0.5rem;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
}

.site-footer__logo {
  height: 44px;
  width: auto;
  display: block;
}

.site-footer__wordmark {
  font-weight: 600;
  font-size: var(--text-md);
  color: var(--white);
}

.site-footer__links,
.site-footer__contact {
  flex: 1 1 180px;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding-top: 0.5rem;
}

.site-footer h2 {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 0.6rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--white);
  text-decoration: underline;
}

.site-footer p {
  margin: 0;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
}

.site-footer__note {
  text-align: center;
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--text-xs);
  margin: 4rem 0 0;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

/* ---- Mobile menu (hamburger) -------------------------------------------- */

.site-nav__burger {
  display: none;
}

/* ---- Responsive --------------------------------------------------------- */

@media (max-width: 860px) {
  .site-header {
    position: relative;
  }

  .site-brand__logo {
    height: 34px;
  }

  /* Bars fold into an X when open. */
  .site-nav__burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
  }

  .site-nav__burger span {
    display: block;
    height: 2px;
    width: 26px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .is-nav-open .site-nav__burger span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .is-nav-open .site-nav__burger span:nth-child(2) {
    opacity: 0;
  }
  .is-nav-open .site-nav__burger span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* Drop-down panel; shown when nav.js sets .is-nav-open. */
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.5rem 1.25rem 1.25rem;
    background: var(--teal);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    z-index: 10;
  }

  .is-nav-open .site-nav {
    display: flex;
  }

  .site-nav a:not(.btn) {
    padding: 0.7rem 0.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .site-nav__divider {
    display: none;
  }

  .site-nav .btn {
    align-self: center;
    justify-content: center;
    width: 180px;
    padding: 0.65rem 1rem;
  }

  .site-nav .btn--primary {
    margin-top: 1rem;
  }

  .site-nav .btn--outline {
    margin-top: 0.75rem;
    /* Brighten the border so it reads against the teal panel. */
    border-color: var(--white);
  }

  .site-footer {
    padding: 2rem 1.25rem 1rem;
  }

  .site-footer__cols {
    gap: 2.5rem;
  }
}

/* Once the footer columns stack into a single column, center them. */
@media (max-width: 560px) {
  .site-footer__cols {
    text-align: center;
  }

  .site-footer__brand-row {
    justify-content: center;
  }

  .site-footer__brand p {
    max-width: none;
  }

  .site-footer__links,
  .site-footer__contact {
    align-items: center;
  }
}