@import url("https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&family=Quicksand:wght@400;500;600;700&display=swap");

/* Matches sitev2 `css/main.css`: OS prefers-color-scheme, optional persisted `eduimpact-theme` via `theme-boot.js`. */
:root {
  color-scheme: light;
  --color-primary: #1d7a6e;
  --color-primary-hover: #16695f;
  --color-accent: #c17a3e;
  --color-accent-soft: rgba(193, 122, 62, 0.12);
  --color-ink: #4a4a4a;
  --color-ink-muted: #5c5c5c;
  --color-border: rgba(74, 74, 74, 0.12);
  --color-bg: #faf9f7;
  --color-card: #ffffff;
  --radius: 12px;
  --font-sans: "Quicksand", system-ui, sans-serif;
  --font-serif: "Lora", Georgia, serif;
  --shadow-card: 0 8px 30px rgba(38, 38, 38, 0.08);
  --content-max: 420px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --color-primary: #1d7a6e;
    --color-primary-hover: #16695f;
    --color-accent: #c17a3e;
    --color-accent-soft: rgba(193, 122, 62, 0.18);
    --color-ink: #e8e2d6;
    --color-ink-muted: #c9c3b8;
    --color-border: rgba(232, 226, 214, 0.12);
    --color-bg: #1e1e1e;
    --color-card: #262626;
    --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.45);
  }
}

:root[data-theme="light"] {
  color-scheme: light;
  --color-primary: #1d7a6e;
  --color-primary-hover: #16695f;
  --color-accent: #c17a3e;
  --color-accent-soft: rgba(193, 122, 62, 0.12);
  --color-ink: #4a4a4a;
  --color-ink-muted: #5c5c5c;
  --color-border: rgba(74, 74, 74, 0.12);
  --color-bg: #faf9f7;
  --color-card: #ffffff;
  --shadow-card: 0 8px 30px rgba(38, 38, 38, 0.08);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --color-primary: #1d7a6e;
  --color-primary-hover: #16695f;
  --color-accent: #c17a3e;
  --color-accent-soft: rgba(193, 122, 62, 0.18);
  --color-ink: #e8e2d6;
  --color-ink-muted: #c9c3b8;
  --color-border: rgba(232, 226, 214, 0.12);
  --color-bg: #1e1e1e;
  --color-card: #262626;
  --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.45);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.5;
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--color-primary-hover);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  z-index: 1000;
  padding: 0.5rem 1rem;
  background: var(--color-card);
  border-radius: var(--radius);
}

.skip-link:focus {
  left: 0.5rem;
}

.auth-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem 3rem;
}

.auth-nav {
  width: 100%;
  max-width: var(--content-max);
  margin-bottom: 1.5rem;
}

.auth-nav__brand {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  width: min(22rem, 100%);
  max-width: 100%;
  margin: 0 auto;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.auth-nav__brand:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: 4px;
}

.auth-nav__brand:hover {
  opacity: 0.96;
}

.auth-nav__brand:active {
  opacity: 0.92;
}

.auth-nav__mark {
  display: block;
  line-height: 0;
  width: 100%;
}

.auth-nav__mark img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1270 / 216;
  object-fit: contain;
  object-position: left center;
}

/* Mirrors sitev2 `.brand-tagline`: same column width as logo. */
.auth-nav__tagline {
  margin: 0.5rem 0 0;
  padding-top: 0.45rem;
  border-top: 1px solid var(--color-accent);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  text-align: center;
  text-wrap: balance;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(0.72rem, 2.1vw, 0.9rem);
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
}

@media (max-width: 767px) {
  .auth-nav__tagline {
    margin-top: 0.35rem;
    padding-top: 0.38rem;
    font-size: clamp(0.65rem, 2.35vw, 0.82rem);
  }
}

/* Specificity must beat `.auth-nav__mark img` (0,2,0) — use nested selector so
   last-rule-wins applies correctly for all theme states. */
.auth-nav__mark .auth-nav__logo-dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .auth-nav__mark .auth-nav__logo-light {
    display: none;
  }
  :root:not([data-theme="light"]) .auth-nav__mark .auth-nav__logo-dark {
    display: block;
  }
}

:root[data-theme="dark"] .auth-nav__mark .auth-nav__logo-light {
  display: none;
}
:root[data-theme="dark"] .auth-nav__mark .auth-nav__logo-dark {
  display: block;
}
:root[data-theme="light"] .auth-nav__mark .auth-nav__logo-light {
  display: block;
}
:root[data-theme="light"] .auth-nav__mark .auth-nav__logo-dark {
  display: none;
}

.auth-card {
  width: 100%;
  max-width: var(--content-max);
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 2rem 1.75rem 2.25rem;
}

@media (min-width: 480px) {
  .auth-card {
    padding: 2.5rem 2.25rem;
  }
}

.auth-card h1 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--color-ink);
  letter-spacing: -0.02em;
}

.auth-card .muted {
  color: var(--color-ink-muted);
  font-size: 0.9375rem;
  margin: 0 0 1.25rem;
}

.auth-card .small {
  font-size: 0.8125rem;
}

.auth-card label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.auth-card input {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
  color: var(--color-ink);
  background: var(--color-bg);
  margin-bottom: 1rem;
}

.auth-card input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.hint {
  color: var(--color-ink-muted);
  margin: -0.5rem 0 1rem;
  font-size: 0.8125rem;
}

.field-error {
  display: block;
  color: #7c4a22;
  margin: -0.5rem 0 1rem;
  font-size: 0.8125rem;
}

.field-error[hidden] {
  display: none !important;
}

:root[data-theme="dark"] .field-error {
  color: #e8c4a0;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .field-error {
    color: #e8c4a0;
  }
}

.btn-submit {
  width: 100%;
  min-height: 48px;
  margin-top: 0.25rem;
  border: none;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-submit:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

#banner-error[hidden],
#banner-success[hidden],
.view[hidden] {
  display: none !important;
}

#banner-error,
#banner-success {
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

#banner-error {
  background: rgba(193, 122, 62, 0.12);
  color: #7c4a22;
  border: 1px solid rgba(193, 122, 62, 0.35);
}

#banner-success {
  background: rgba(29, 122, 110, 0.12);
  color: #145a52;
  border: 1px solid rgba(29, 122, 110, 0.35);
}

.env-preview-banner {
  width: 100%;
  max-width: calc(var(--content-max) + 2rem);
  margin: 0 0 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-align: center;
  color: #145a52;
  background: rgba(29, 122, 110, 0.12);
  border: 1px solid rgba(29, 122, 110, 0.35);
  border-radius: var(--radius);
}

.env-preview-banner[hidden],
#env-preview-banner[hidden] {
  display: none !important;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) #banner-error {
    background: rgba(193, 122, 62, 0.18);
    color: #eec9a8;
    border-color: rgba(193, 122, 62, 0.45);
  }

  :root:not([data-theme="light"]) #banner-success {
    background: rgba(29, 122, 110, 0.22);
    color: #a8dfd6;
    border-color: rgba(29, 122, 110, 0.45);
  }

  :root:not([data-theme="light"]) .env-preview-banner {
    background: rgba(29, 122, 110, 0.22);
    color: #a8dfd6;
    border-color: rgba(29, 122, 110, 0.45);
  }
}

:root[data-theme="dark"] #banner-error {
  background: rgba(193, 122, 62, 0.18);
  color: #eec9a8;
  border-color: rgba(193, 122, 62, 0.45);
}

:root[data-theme="dark"] #banner-success {
  background: rgba(29, 122, 110, 0.22);
  color: #a8dfd6;
  border-color: rgba(29, 122, 110, 0.45);
}

:root[data-theme="dark"] .env-preview-banner {
  background: rgba(29, 122, 110, 0.22);
  color: #a8dfd6;
  border-color: rgba(29, 122, 110, 0.45);
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}