/*
 * DiaOmsk theme styles.
 * Glass header and footer, rounded cards, pill buttons; light and dark schemes.
 * Colors are tokens on :root (--dia-*); the dark scheme redefines them.
 */

/* ------------------------------------------------------------------ tokens */

:root {
  color-scheme: light;

  --dia-width: 1200px;
  --dia-sidebar: 320px;
  --dia-gap: 1.75rem;
  --dia-radius: 1rem;
  --dia-radius-small: 0.6rem;
  --dia-header-height: 4.5rem;

  --dia-bg: #eef6f2;
  --dia-body-gradient: linear-gradient(135deg, #d9eee4 0%, #e5f3ec 45%, #f0f7f3 100%);
  --dia-color: #24302b;
  --dia-muted: #5f7169;
  --dia-title: #17241f;

  --dia-accent: #13a07e;
  --dia-accent-strong: #0e7a60;
  --dia-link: #0e7a60;
  --dia-link-hover: #13a07e;

  --dia-header-color: #ffffff;
  --dia-header-color-soft: rgba(255, 255, 255, 0.78);
  --dia-glass-bg: rgba(14, 104, 82, 0.92);
  --dia-glass-bg-solid: #0e6852;
  --dia-glass-hover: rgba(255, 255, 255, 0.14);
  --dia-glass-border: rgba(255, 255, 255, 0.16);
  --dia-glass-shadow: 0 4px 24px rgba(0, 60, 42, 0.22);
  --dia-glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.16);
  --dia-glass-blur: 18px;

  --dia-hero-bg: linear-gradient(135deg, rgba(19, 160, 126, 0.95) 0%, rgba(14, 112, 88, 0.95) 100%);
  --dia-hero-shadow: 0 2px 16px rgba(0, 60, 42, 0.18);

  --dia-card-bg: rgba(255, 255, 255, 0.72);
  --dia-card-border: rgba(14, 122, 96, 0.14);
  --dia-card-shadow: 0 2px 16px rgba(0, 60, 42, 0.07);
  --dia-card-shadow-hover: 0 8px 28px rgba(0, 60, 42, 0.12);
  --dia-card-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.7);

  --dia-chip-bg: rgba(19, 160, 126, 0.12);
  --dia-chip-border: rgba(14, 122, 96, 0.18);
  --dia-chip-color: #0b6650;

  --dia-button-bg: rgba(255, 255, 255, 0.65);
  --dia-button-bg-hover: #ffffff;
  --dia-button-border: rgba(14, 122, 96, 0.35);
  --dia-button-color: #0e7a60;
  --dia-button-shadow: 0 2px 12px rgba(0, 60, 42, 0.08);

  --dia-input-bg: rgba(255, 255, 255, 0.8);
  --dia-input-border: rgba(14, 122, 96, 0.25);
  --dia-input-focus: rgba(19, 160, 126, 0.6);

  --dia-line: rgba(14, 122, 96, 0.14);
  --dia-image-shadow: 0 4px 18px rgba(0, 60, 42, 0.12);

  /* gloss of buttons and badges: a top highlight layer plus a bright inner edge.
     light-dark() follows color-scheme, so the dark scheme gets a dimmer gloss without a second copy */
  --dia-gloss: linear-gradient(
    180deg,
    light-dark(rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.16)) 0%,
    light-dark(rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.04)) 50%,
    rgba(255, 255, 255, 0) 51%,
    light-dark(rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03)) 100%
  );
  --dia-gloss-edge:
    inset 0 1px 0 light-dark(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.18)),
    inset 0 -1px 0 light-dark(rgba(0, 50, 35, 0.06), rgba(0, 0, 0, 0.3));
  --dia-gloss-blur: blur(10px) saturate(1.5);
}

:root[data-theme="dark"] {
  color-scheme: dark;

  --dia-bg: #0f1f1a;
  --dia-body-gradient: linear-gradient(135deg, #0b1915 0%, #10241e 50%, #132a23 100%);
  --dia-color: #d6e6df;
  --dia-muted: #92aba0;
  --dia-title: #eef7f3;

  --dia-accent: #3fcca5;
  --dia-accent-strong: #5fdab6;
  --dia-link: #5fdab6;
  --dia-link-hover: #8fe8cc;

  --dia-glass-bg: rgba(10, 52, 41, 0.9);
  --dia-glass-bg-solid: #0a3429;
  --dia-glass-border: rgba(255, 255, 255, 0.08);
  --dia-glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --dia-glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.06);

  --dia-hero-bg: linear-gradient(135deg, rgba(13, 84, 66, 0.92) 0%, rgba(10, 60, 47, 0.92) 100%);
  --dia-hero-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);

  --dia-card-bg: rgba(255, 255, 255, 0.045);
  --dia-card-border: rgba(255, 255, 255, 0.08);
  --dia-card-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
  --dia-card-shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.4);
  --dia-card-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.04);

  --dia-chip-bg: rgba(63, 204, 165, 0.12);
  --dia-chip-border: rgba(63, 204, 165, 0.22);
  --dia-chip-color: #8fe8cc;

  --dia-button-bg: rgba(63, 204, 165, 0.1);
  --dia-button-bg-hover: rgba(63, 204, 165, 0.2);
  --dia-button-border: rgba(63, 204, 165, 0.35);
  --dia-button-color: #8fe8cc;
  --dia-button-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);

  --dia-input-bg: rgba(255, 255, 255, 0.06);
  --dia-input-border: rgba(255, 255, 255, 0.14);
  --dia-input-focus: rgba(63, 204, 165, 0.6);

  --dia-line: rgba(255, 255, 255, 0.09);
  --dia-image-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
}

/* the system dark preference applies until the visitor picks a scheme */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;

    --dia-bg: #0f1f1a;
    --dia-body-gradient: linear-gradient(135deg, #0b1915 0%, #10241e 50%, #132a23 100%);
    --dia-color: #d6e6df;
    --dia-muted: #92aba0;
    --dia-title: #eef7f3;

    --dia-accent: #3fcca5;
    --dia-accent-strong: #5fdab6;
    --dia-link: #5fdab6;
    --dia-link-hover: #8fe8cc;

    --dia-glass-bg: rgba(10, 52, 41, 0.9);
    --dia-glass-bg-solid: #0a3429;
    --dia-glass-border: rgba(255, 255, 255, 0.08);
    --dia-glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --dia-glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.06);

    --dia-hero-bg: linear-gradient(135deg, rgba(13, 84, 66, 0.92) 0%, rgba(10, 60, 47, 0.92) 100%);
    --dia-hero-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);

    --dia-card-bg: rgba(255, 255, 255, 0.045);
    --dia-card-border: rgba(255, 255, 255, 0.08);
    --dia-card-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
    --dia-card-shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.4);
    --dia-card-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.04);

    --dia-chip-bg: rgba(63, 204, 165, 0.12);
    --dia-chip-border: rgba(63, 204, 165, 0.22);
    --dia-chip-color: #8fe8cc;

    --dia-button-bg: rgba(63, 204, 165, 0.1);
    --dia-button-bg-hover: rgba(63, 204, 165, 0.2);
    --dia-button-border: rgba(63, 204, 165, 0.35);
    --dia-button-color: #8fe8cc;
    --dia-button-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);

    --dia-input-bg: rgba(255, 255, 255, 0.06);
    --dia-input-border: rgba(255, 255, 255, 0.14);
    --dia-input-focus: rgba(63, 204, 165, 0.6);

    --dia-line: rgba(255, 255, 255, 0.09);
    --dia-image-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
  }
}

/* ------------------------------------------------------------------ base */

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

html {
  scroll-padding-top: calc(var(--dia-header-height) + 1rem);
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--dia-bg);
  background-image: var(--dia-body-gradient);
  background-attachment: fixed;
  color: var(--dia-color);
  font-family: 'Open Sans', Arial, sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img,
video,
iframe {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--dia-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--dia-link-hover);
}

:focus-visible {
  outline: 2px solid var(--dia-accent);
  outline-offset: 2px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--dia-title);
  font-weight: 600;
  line-height: 1.3;
  margin: 1.5em 0 0.6em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p {
  margin: 0 0 1em;
}

hr {
  border: 0;
  border-top: 1px solid var(--dia-line);
  margin: 2rem 0;
}

.svg-icon,
.icon {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
  vertical-align: -0.15em;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link:focus {
  position: fixed !important;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 2000;
  width: auto;
  height: auto;
  clip: auto;
  clip-path: none;
  padding: 0.6rem 1.2rem;
  border-radius: 50vh;
  background: var(--dia-glass-bg-solid);
  color: var(--dia-header-color);
}

/* keeps the footer at the bottom of short pages */
.site {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-content {
  flex: 1 0 auto;
}

.container {
  width: 100%;
  max-width: var(--dia-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ------------------------------------------------------------------ header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  color: var(--dia-header-color);
  background: var(--dia-glass-bg);
  -webkit-backdrop-filter: blur(var(--dia-glass-blur)) saturate(1.4);
  backdrop-filter: blur(var(--dia-glass-blur)) saturate(1.4);
  border-bottom: 1px solid var(--dia-glass-border);
  box-shadow: var(--dia-glass-shadow), var(--dia-glass-highlight);
}

.admin-bar .site-header {
  top: 32px;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--dia-header-height);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--dia-header-color);
  text-decoration: none;
  margin-right: auto;
  min-width: 0;
}

.brand:hover {
  color: var(--dia-header-color);
}

.brand-logo {
  width: 2.75rem;
  height: 2.75rem;
  object-fit: contain;
  filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 600;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
  white-space: nowrap;
}

.brand-tagline {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--dia-header-color-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.main-navigation .menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-navigation li {
  position: relative;
}

.main-navigation a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  border-radius: 0.6rem;
  color: var(--dia-header-color);
  font-size: 0.95rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease;
}

.main-navigation a:hover,
.main-navigation li:focus-within > a {
  background: var(--dia-glass-hover);
  color: var(--dia-header-color);
}

.main-navigation .current-menu-item > a,
.main-navigation .current-menu-ancestor > a,
.main-navigation .current-category-ancestor > a {
  background: rgba(255, 255, 255, 0.2);
  font-weight: 600;
}

.main-navigation .menu-icon {
  opacity: 0.7;
}

.main-navigation .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  display: none;
  min-width: 14rem;
  margin: 0.25rem 0 0;
  padding: 0.35rem;
  list-style: none;
  background: var(--dia-glass-bg-solid);
  border: 1px solid var(--dia-glass-border);
  border-radius: 0.75rem;
  box-shadow: var(--dia-glass-shadow);
}

.main-navigation li:hover > .sub-menu,
.main-navigation li:focus-within > .sub-menu {
  display: block;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--dia-glass-border);
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.24) 0%, rgba(255, 255, 255, 0.06) 50%, rgba(255, 255, 255, 0.02) 100%), rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 2px 8px rgba(0, 0, 0, 0.12);
  color: var(--dia-header-color);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.icon-button:hover {
  background: var(--dia-glass-hover);
}

.icon-button .icon {
  width: 1.15rem;
  height: 1.15rem;
}

.scheme-toggle .when-dark,
.nav-toggle .when-open {
  display: none;
}

:root[data-theme="dark"] .scheme-toggle .when-dark { display: block; }
:root[data-theme="dark"] .scheme-toggle .when-light { display: none; }

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

.nav-toggle {
  display: none;
}

/* ------------------------------------------------------------------ hero */

.hero {
  color: var(--dia-header-color);
  background: var(--dia-hero-bg);
  box-shadow: var(--dia-hero-shadow);
  border-bottom: 1px solid var(--dia-glass-border);
}

.hero-inner {
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
  text-align: center;
}

.hero-title {
  margin: 0;
  color: var(--dia-header-color);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.35;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
  text-wrap: balance;
}

.hero .entry-meta {
  justify-content: center;
  margin-bottom: 0.5rem;
}

.hero .chip {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.08) 50%, rgba(255, 255, 255, 0.02) 100%), rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 2px 8px rgba(0, 0, 0, 0.12);
  color: var(--dia-header-color);
}

.hero .chip:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.12) 50%, rgba(255, 255, 255, 0.04) 100%), rgba(255, 255, 255, 0.16);
  color: var(--dia-header-color);
}

/* ------------------------------------------------------------------ layout */

.site-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--dia-sidebar);
  gap: var(--dia-gap);
  align-items: start;
  padding-top: var(--dia-gap);
  padding-bottom: 3rem;
}

.site-main {
  display: flex;
  flex-direction: column;
  gap: var(--dia-gap);
  min-width: 0;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: sticky;
  top: calc(var(--dia-header-height) + 1.25rem);
}

.admin-bar .sidebar {
  top: calc(var(--dia-header-height) + 32px + 1.25rem);
}

/* ------------------------------------------------------------------ cards */

.card {
  background: var(--dia-card-bg);
  border: 1px solid var(--dia-card-border);
  border-radius: var(--dia-radius);
  box-shadow: var(--dia-card-shadow), var(--dia-card-highlight);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: 1.75rem 2rem;
  transition: box-shadow 0.25s ease;
}

.entry.card:hover {
  box-shadow: var(--dia-card-shadow-hover), var(--dia-card-highlight);
}

.entry-header {
  margin-bottom: 1.25rem;
}

/* faint hairline under the post title in listing cards, fading out to the right */
.entry-header::after {
  content: '';
  display: block;
  height: 1px;
  margin-top: 1rem;
  background: linear-gradient(90deg, var(--dia-line) 0%, var(--dia-line) 40%, transparent 100%);
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.75rem;
  border: 1px solid var(--dia-chip-border);
  border-radius: 50vh;
  background: var(--dia-gloss), var(--dia-chip-bg);
  box-shadow: var(--dia-gloss-edge), 0 1px 4px rgba(0, 60, 42, 0.08);
  -webkit-backdrop-filter: var(--dia-gloss-blur);
  backdrop-filter: var(--dia-gloss-blur);
  color: var(--dia-chip-color);
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.6;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

a.chip:hover {
  background: var(--dia-gloss), var(--dia-button-bg-hover);
  color: var(--dia-chip-color);
  transform: translateY(-1px);
}

/* category badges: own color per category; light-dark() follows the color-scheme set on :root */
.chip-category {
  --badge-rgb: 19, 160, 126;
  --badge-color: light-dark(#0b6650, #8fe8cc);

  border-color: rgba(var(--badge-rgb), 0.38);
  background: var(--dia-gloss), rgba(var(--badge-rgb), 0.16);
  box-shadow: var(--dia-gloss-edge), 0 2px 8px rgba(var(--badge-rgb), 0.2);
  color: var(--badge-color);
  font-weight: 600;
}

a.chip-category:hover {
  background: var(--dia-gloss), rgba(var(--badge-rgb), 0.28);
  box-shadow: var(--dia-gloss-edge), 0 4px 12px rgba(var(--badge-rgb), 0.28);
  color: var(--badge-color);
}

.chip-category .icon {
  opacity: 1;
}

.chip-cat-actions {
  --badge-rgb: 232, 150, 20;
  --badge-color: light-dark(#8a5200, #ffc56b);
}

.chip-cat-info {
  --badge-rgb: 52, 130, 210;
  --badge-color: light-dark(#1d5f9e, #8cc4ff);
}

.chip-cat-article {
  --badge-rgb: 140, 90, 210;
  --badge-color: light-dark(#6a3fa0, #c9a8ff);
}

.chip .icon {
  width: 0.95em;
  height: 0.95em;
  opacity: 0.8;
}

.entry-title {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.3;
}

.entry-title a {
  color: var(--dia-title);
  text-decoration: none;
}

.entry-title a:hover {
  color: var(--dia-link);
}

.entry-content > :first-child {
  margin-top: 0;
}

.entry-content > :last-child {
  margin-bottom: 0;
}

.entry-content img,
.entry-thumbnail img {
  border-radius: var(--dia-radius-small);
}

.entry-thumbnail {
  margin: -0.25rem 0 1.5rem;
}

.entry-content ul,
.entry-content ol {
  padding-left: 1.4em;
}

.entry-content li {
  margin-bottom: 0.35em;
}

.entry-content blockquote {
  margin: 1.5em 0;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--dia-accent);
  border-radius: 0 var(--dia-radius-small) var(--dia-radius-small) 0;
  background: var(--dia-chip-bg);
}

/* lead paragraph that introduces a post */
.entry-content .dia-lead {
  color: var(--dia-title);
  font-size: 1.05rem;
  line-height: 1.6;
}

.entry-content pre {
  margin: 1em 0;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--dia-chip-border);
  border-radius: var(--dia-radius-small);
  background: var(--dia-chip-bg);
  color: var(--dia-color);
  font-family: Consolas, 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  white-space: pre-wrap;
}

.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25em 0;
  font-size: 0.95rem;
}

.entry-content th,
.entry-content td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--dia-line);
  text-align: left;
  vertical-align: top;
}

.entry-content th {
  color: var(--dia-muted);
  font-weight: 500;
}

.entry-content .wp-caption,
.entry-content figure {
  max-width: 100%;
  margin: 1.5em auto;
}

.entry-content .wp-caption-text,
.entry-content figcaption {
  margin-top: 0.5rem;
  color: var(--dia-muted);
  font-size: 0.85rem;
  text-align: center;
}

.aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.alignleft {
  float: left;
  margin: 0.3em 1.5em 1em 0;
}

.alignright {
  float: right;
  margin: 0.3em 0 1em 1.5em;
}

.entry-content::after {
  content: '';
  display: table;
  clear: both;
}

.entry-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--dia-line);
}

.entry-tags {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  color: var(--dia-muted);
}

.entry-tags a {
  padding: 0.1rem 0.6rem;
  border-radius: 50vh;
  background: var(--dia-chip-bg);
  color: var(--dia-chip-color);
  font-size: 0.85rem;
  text-decoration: none;
}

.more-row {
  margin: 1.5rem 0 0;
}

.no-results .entry-title {
  margin-bottom: 0.75rem;
}

/* ------------------------------------------------------------------ buttons and forms */

.button,
button[type="submit"],
input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.5rem;
  border: 1px solid var(--dia-button-border);
  border-radius: 50vh;
  background: var(--dia-gloss), var(--dia-button-bg);
  color: var(--dia-button-color);
  box-shadow: var(--dia-gloss-edge), var(--dia-button-shadow);
  -webkit-backdrop-filter: var(--dia-gloss-blur);
  backdrop-filter: var(--dia-gloss-blur);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.button:hover,
button[type="submit"]:hover,
input[type="submit"]:hover {
  background: var(--dia-gloss), var(--dia-button-bg-hover);
  color: var(--dia-button-color);
  box-shadow: var(--dia-gloss-edge), 0 4px 16px rgba(0, 60, 42, 0.14);
  transform: translateY(-1px);
}

.button-small {
  padding: 0.3rem 0.9rem;
  font-size: 0.85rem;
}

.button .icon {
  width: 1em;
  height: 1em;
}

input[type="text"],
input[type="email"],
input[type="url"],
input[type="search"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: 0.6rem 1rem;
  border: 1px solid var(--dia-input-border);
  border-radius: var(--dia-radius-small);
  background: var(--dia-input-bg);
  color: var(--dia-color);
  font: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--dia-input-focus);
  box-shadow: 0 0 0 3px var(--dia-chip-bg);
}

select {
  appearance: none;
  padding-right: 2.5rem;
  border-radius: 50vh;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2313a07e' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  background-size: 1rem;
  cursor: pointer;
}

.search-form {
  position: relative;
  display: flex;
}

.search-form .search-field {
  padding-right: 3rem;
  border-radius: 50vh;
}

.search-form .search-submit {
  position: absolute;
  top: 50%;
  right: 0.3rem;
  width: 2.2rem;
  height: 2.2rem;
  padding: 0;
  transform: translateY(-50%);
  border: 0;
  border-radius: 50%;
  background: var(--dia-gloss), var(--dia-accent);
  color: #ffffff;
  box-shadow: var(--dia-gloss-edge), 0 2px 8px rgba(19, 160, 126, 0.35);
}

.search-form .search-submit:hover {
  background: var(--dia-gloss), var(--dia-accent-strong);
  color: #ffffff;
  transform: translateY(-50%);
}

.search-form .search-submit .icon {
  width: 1rem;
  height: 1rem;
}

/* ------------------------------------------------------------------ widgets */

.widget {
  padding: 1.35rem 1.5rem;
  font-size: 0.95rem;
}

/* plugins nest their own div.widget inside the widget card */
.widget .widget {
  padding: 0;
}

.widget-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  font-size: 1.05rem;
}

.widget-title::before {
  content: '';
  width: 0.3rem;
  height: 1.1rem;
  border-radius: 50vh;
  background: var(--dia-accent);
}

.widget ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.widget li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--dia-line);
}

.widget li:last-child {
  border-bottom: 0;
}

.widget_search .widget-title,
.widget_search > h2 {
  display: none;
}

/* ------------------------------------------------------------------ NextGEN Gallery */

.ngg-galleryoverview {
  margin: 1.25rem 0 0 !important;
}

.ngg-galleryoverview.default-view {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.6rem;
}

.ngg-galleryoverview .ngg-gallery-thumbnail-box {
  float: none !important;
  width: auto !important;
  margin: 0 !important;
}

.ngg-gallery-thumbnail {
  margin: 0 !important;
  border: 0 !important;
  background: none !important;
  text-align: center;
}

.ngg-gallery-thumbnail a {
  display: block;
  margin: 0 !important;
  overflow: hidden;
  border-radius: var(--dia-radius-small);
  box-shadow: var(--dia-image-shadow);
}

.ngg-gallery-thumbnail img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: none !important;
  border-radius: 0;
  transition: transform 0.35s ease;
}

.ngg-gallery-thumbnail a:hover img {
  transform: scale(1.05);
}

.ngg-clear,
.ngg-galleryoverview br {
  display: none;
}

.ngg-navigation {
  grid-column: 1 / -1;
  display: flex !important;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 0.75rem !important;
  padding: 0 !important;
}

.ngg-navigation a,
.ngg-navigation span {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  margin: 0 !important;
  padding: 0 0.6rem !important;
  border: 1px solid var(--dia-chip-border) !important;
  border-radius: 50vh;
  background: var(--dia-gloss), var(--dia-chip-bg) !important;
  box-shadow: var(--dia-gloss-edge);
  color: var(--dia-chip-color) !important;
  font-size: 0.85rem;
  text-decoration: none;
}

.ngg-navigation span.current,
.ngg-navigation a:hover {
  background: var(--dia-gloss), var(--dia-accent) !important;
  border-color: var(--dia-accent) !important;
  color: #ffffff !important;
}

.ngg-slideshow,
.widget .ngg-galleryoverview {
  overflow: hidden;
  border-radius: var(--dia-radius-small);
}

/* the widget slideshow fills the card width; NextGEN sets 320x240 inline */
.widget.widget_slideshow .ngg_slideshow .ngg-galleryoverview.ngg-slideshow {
  max-width: none !important;
  min-height: 0 !important;
  margin: 0 !important;
}

.widget_slideshow .ngg-slideshow img {
  display: block;
  width: 100%;
  height: 220px !important;
  max-height: none !important;
  object-fit: cover;
  border-radius: var(--dia-radius-small);
}

/* ------------------------------------------------------------------ pagination */

.pagination .nav-links,
.post-navigation .nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 0.8rem;
  border: 1px solid var(--dia-card-border);
  border-radius: 50vh;
  background: var(--dia-gloss), var(--dia-card-bg);
  color: var(--dia-color);
  box-shadow: var(--dia-gloss-edge), var(--dia-card-shadow);
  -webkit-backdrop-filter: var(--dia-gloss-blur);
  backdrop-filter: var(--dia-gloss-blur);
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.pagination a.page-numbers:hover {
  background: var(--dia-gloss), var(--dia-chip-bg);
  color: var(--dia-link);
  transform: translateY(-1px);
}

.pagination .page-numbers.current {
  background: var(--dia-gloss), var(--dia-accent);
  border-color: var(--dia-accent);
  box-shadow: var(--dia-gloss-edge), 0 2px 10px rgba(19, 160, 126, 0.35);
  color: #ffffff;
  font-weight: 600;
}

.pagination .page-numbers.dots {
  border: 0;
  background: none;
  box-shadow: none;
}

.post-navigation .nav-links {
  justify-content: space-between;
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
  max-width: 48%;
}

.post-navigation a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--dia-card-border);
  border-radius: var(--dia-radius);
  background: var(--dia-card-bg);
  box-shadow: var(--dia-card-shadow);
  color: var(--dia-color);
  font-size: 0.9rem;
  text-decoration: none;
}

.post-navigation a:hover {
  color: var(--dia-link);
}

.page-links {
  margin-top: 1.5rem;
}

/* ------------------------------------------------------------------ comments */

.comments-title,
.comment-reply-title {
  margin-top: 0;
  font-size: 1.2rem;
}

.comment-list {
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
}

.comment-list .comment {
  margin-bottom: 1rem;
}

.comment-body {
  padding: 1rem 1.25rem;
  border-radius: var(--dia-radius-small);
  background: var(--dia-chip-bg);
}

.comment-author img {
  float: left;
  margin-right: 0.75rem;
  border-radius: 50%;
}

.comment-metadata {
  font-size: 0.8rem;
}

.comment-form p {
  margin-bottom: 1rem;
}

.comment-form label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
}

/* ------------------------------------------------------------------ footer */

.site-footer {
  color: var(--dia-header-color);
  background: var(--dia-glass-bg);
  -webkit-backdrop-filter: blur(var(--dia-glass-blur)) saturate(1.4);
  backdrop-filter: blur(var(--dia-glass-blur)) saturate(1.4);
  border-top: 1px solid var(--dia-glass-border);
  box-shadow: var(--dia-glass-highlight);
}

.site-footer a {
  color: var(--dia-header-color);
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--dia-gap);
  padding-top: 2rem;
  padding-bottom: 1rem;
}

.footer-columns .widget {
  padding: 0;
}

.footer-columns .widget-title {
  color: var(--dia-header-color);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  font-size: 0.85rem;
}

.footer-org {
  flex: 1 1 22rem;
  color: var(--dia-header-color-soft);
}

.footer-mail {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 1rem;
  border: 1px solid var(--dia-glass-border);
  border-radius: 50vh;
  text-decoration: none;
  transition: background 0.2s ease;
}

.footer-mail:hover {
  background: var(--dia-glass-hover);
  color: var(--dia-header-color);
}

.footer-copy {
  color: var(--dia-header-color-soft);
}

.back-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 900;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--dia-glass-bg);
  box-shadow: var(--dia-glass-shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.75rem);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.back-top:hover {
  background: var(--dia-glass-bg-solid);
  color: var(--dia-header-color);
}

/* ------------------------------------------------------------------ fallbacks */

@supports not (backdrop-filter: blur(1px)) {
  .site-header,
  .site-footer {
    background: var(--dia-glass-bg-solid);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ------------------------------------------------------------------ responsive */

@media (max-width: 1080px) {
  :root {
    --dia-sidebar: 280px;
    --dia-gap: 1.5rem;
  }

  .main-navigation a {
    padding: 0.5rem 0.65rem;
  }

  .main-navigation .menu-icon {
    display: none;
  }
}

@media (max-width: 900px) {
  .site-content {
    grid-template-columns: minmax(0, 1fr);
  }

  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .footer-columns {
    grid-template-columns: minmax(0, 1fr);
  }

  /* the menu folds into a drop-down panel under the header */
  .nav-toggle {
    display: inline-flex;
    order: 3;
  }

  .scheme-toggle {
    order: 2;
  }

  .main-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 0.5rem 1.5rem 1rem;
    background: var(--dia-glass-bg-solid);
    border-bottom: 1px solid var(--dia-glass-border);
    box-shadow: var(--dia-glass-shadow);
  }

  .nav-open .main-navigation {
    display: block;
  }

  .nav-open .nav-toggle .when-open { display: block; }
  .nav-open .nav-toggle .when-closed { display: none; }

  .main-navigation .menu {
    flex-direction: column;
    align-items: stretch;
  }

  .main-navigation a {
    padding: 0.75rem 1rem;
  }

  .main-navigation .menu-icon {
    display: block;
  }

  .main-navigation .sub-menu {
    position: static;
    display: block;
    margin: 0 0 0 1rem;
    border: 0;
    box-shadow: none;
    background: none;
  }
}

@media (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  .container {
    padding: 0 1rem;
  }

  .card {
    padding: 1.25rem 1.25rem;
  }

  .hero-title {
    font-size: 1.15rem;
  }

  .entry-title {
    font-size: 1.25rem;
  }

  .brand-tagline {
    display: none;
  }

  .brand-logo {
    width: 2.25rem;
    height: 2.25rem;
  }

  .ngg-galleryoverview.default-view {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .alignleft,
  .alignright {
    float: none;
    margin: 1em auto;
  }

  /* the admin bar scrolls away on phones, so the header starts at the top */
  .admin-bar .site-header {
    top: 0;
  }
}