/* ===========================================================================
   eksreview documentation theme
   An elegant indigo→violet palette inspired by the mascot, with soft depth,
   generous spacing, and a refined hero. Keep it calm and premium.
   =========================================================================== */

/* ── Brand palette ──────────────────────────────────────────── */
:root {
  --md-primary-fg-color: #4f46e5;        /* indigo-600 */
  --md-primary-fg-color--light: #6366f1; /* indigo-500 */
  --md-primary-fg-color--dark: #4338ca;  /* indigo-700 */
  --md-accent-fg-color: #7c3aed;         /* violet-600 */

  --eksr-indigo: #6366f1;
  --eksr-violet: #8b5cf6;
  --eksr-grad: linear-gradient(120deg, #4f46e5 0%, #7c3aed 100%);
  --eksr-radius: 14px;
}

[data-md-color-scheme="default"] {
  --md-typeset-a-color: #4f46e5;
}

/* Dark mode: brighten brand tones so they read on the slate background. */
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #818cf8;        /* indigo-400 */
  --md-accent-fg-color: #a78bfa;         /* violet-400 */
  --md-typeset-a-color: #a5b4fc;
  --md-default-bg-color: #0f1020;        /* deep indigo-tinted background */
}

/* ── Typography polish ──────────────────────────────────────── */
.md-typeset {
  font-feature-settings: "kern", "liga", "calt";
}
.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  letter-spacing: -0.015em;
  font-weight: 700;
}
.md-typeset h2 {
  margin-top: 2.4em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}

/* ── Header: refined diagonal gradient ──────────────────────── */
.md-header {
  background: var(--eksr-grad);
  box-shadow: 0 2px 12px rgba(79, 70, 229, 0.25);
}
.md-tabs {
  background: transparent;
}

/* Navigation tabs: clear active + hover affordances on the gradient. */
.md-tabs__item {
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  margin: 0 0.1rem;
  transition: background-color 140ms ease;
}
.md-tabs__item:hover {
  background: rgba(255, 255, 255, 0.14);
}
.md-tabs__link {
  margin: 0;
  padding: 0 0.7rem;
  opacity: 0.82;
  font-weight: 500;
  transition: opacity 140ms ease;
}
.md-tabs__link:hover {
  opacity: 1;
}
/* Active tab: full-strength label + underline indicator. */
.md-tabs__link--active {
  opacity: 1;
  font-weight: 700;
  position: relative;
}
.md-tabs__link--active::after {
  content: "";
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: -0.35rem;
  height: 2px;
  border-radius: 2px;
  background: #fff;
}

/* ── Home page hero ─────────────────────────────────────────── */
.eksr-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  margin: 0.5rem auto 3rem;
  padding: 3rem 1rem 2.5rem;
  border-radius: 24px;
  background:
    radial-gradient(130% 130% at 50% -10%,
      rgba(124, 58, 237, 0.16) 0%,
      rgba(79, 70, 229, 0.08) 38%,
      transparent 68%);
}

.eksr-hero .eksr-logo {
  width: clamp(220px, 28vw, 300px);
  height: auto;
  border-radius: 24px;
  box-shadow:
    0 18px 50px rgba(124, 58, 237, 0.40),
    0 4px 14px rgba(0, 0, 0, 0.15);
  transition: transform 250ms ease, box-shadow 250ms ease;
}
.eksr-hero .eksr-logo:hover {
  transform: translateY(-4px);
  box-shadow:
    0 24px 60px rgba(124, 58, 237, 0.50),
    0 6px 18px rgba(0, 0, 0, 0.18);
}

.eksr-hero .eksr-title {
  margin: 1.4rem 0 0;
  font-weight: 800;
  font-size: 3rem;
  line-height: 1.05;
  letter-spacing: -0.03em;
  background: linear-gradient(100deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.eksr-hero .eksr-title .headerlink {
  display: none;
}

.eksr-hero .eksr-tagline {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--md-default-fg-color--light);
  max-width: 44rem;
  margin: 0.5rem 0 1.5rem;
}

/* Call-to-action buttons. */
.eksr-hero .md-button {
  margin: 0.25rem 0.4rem;
  border-radius: 2rem;
  padding: 0.55rem 1.4rem;
  font-weight: 600;
  /* No transform on hover: moving the click target makes it jittery and
     hard to click. Feedback comes from shadow/brightness + an active state. */
  transition: box-shadow 150ms ease, filter 150ms ease, background-color 150ms ease;
}
.eksr-hero .md-button:hover {
  filter: brightness(1.04);
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.25);
}
.eksr-hero .md-button:active {
  transform: translateY(1px);
  filter: brightness(0.98);
}
.eksr-hero .md-button--primary {
  background: var(--eksr-grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.35);
}
.eksr-hero .md-button--primary:hover {
  box-shadow: 0 10px 26px rgba(124, 58, 237, 0.45);
}

/* ── Grid cards (home page) ─────────────────────────────────── */
.md-typeset .grid.cards > :is(ul, ol) > li {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: var(--eksr-radius);
  padding: 1.1rem 1.2rem;
  background: var(--md-default-bg-color);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}
.md-typeset .grid.cards > :is(ul, ol) > li:hover {
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 10px 28px rgba(99, 102, 241, 0.18);
  transform: translateY(-4px);
}
.md-typeset .grid.cards .twemoji svg {
  fill: var(--md-primary-fg-color);
}

/* ── Code, admonitions, tables ──────────────────────────────── */
.md-typeset pre > code {
  border-radius: 10px;
}
.md-typeset :is(.admonition, details) {
  border-radius: 10px;
  border-left-width: 3px;
}
.md-typeset table:not([class]) {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
.md-typeset table:not([class]) th {
  background: color-mix(in srgb, var(--md-primary-fg-color) 10%, transparent);
  font-weight: 600;
}

/* Footer accent. */
.md-footer-meta {
  background: rgba(0, 0, 0, 0.85);
}