/*
Theme Name: Koneta Prism
Theme URI: https://syanhuro-kgame.com/
Author: Revenue Codex
Description: Image-generation inspired WordPress theme for Japanese trivia, micro-insights, manga notes, AI tools, and short-form idea blogs.
Version: 1.0.1
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: koneta-prism
Tags: blog, grid-layout, custom-logo, featured-images, wide-blocks
*/

:root {
  --kp-ink: #0c1117;
  --kp-ink-2: #151b23;
  --kp-panel: rgba(255, 255, 255, 0.86);
  --kp-panel-dark: rgba(14, 20, 29, 0.82);
  --kp-text: #18202b;
  --kp-muted: #667085;
  --kp-line: rgba(26, 35, 48, 0.14);
  --kp-cyan: #14b8c8;
  --kp-coral: #ef6f61;
  --kp-gold: #f2b84b;
  --kp-violet: #8b5cf6;
  --kp-green: #16a36f;
  --kp-bg: #f5f7fa;
  --kp-shadow: 0 20px 56px rgba(15, 23, 42, 0.14);
  --kp-radius: 8px;
  --kp-max: 1180px;
  --kp-font: "Yu Gothic", "Meiryo", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--kp-text);
  background:
    radial-gradient(circle at 15% 0%, rgba(20, 184, 200, 0.14), transparent 30rem),
    radial-gradient(circle at 92% 10%, rgba(239, 111, 97, 0.14), transparent 28rem),
    linear-gradient(180deg, #f8fafc 0%, #eef2f6 100%);
  font-family: var(--kp-font);
  line-height: 1.8;
  letter-spacing: 0;
}

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

a {
  color: #1266c3;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #0e7490;
}

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

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.kp-site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(248, 250, 252, 0.84);
  border-bottom: 1px solid var(--kp-line);
}

.kp-header-inner,
.kp-container {
  width: min(var(--kp-max), calc(100% - 32px));
  margin: 0 auto;
}

.kp-header-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  min-height: 72px;
}

.kp-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--kp-ink);
  text-decoration: none;
  min-width: 0;
}

.kp-logo-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #fff;
  font-weight: 900;
  background:
    linear-gradient(135deg, rgba(20, 184, 200, 1), rgba(239, 111, 97, 0.96) 54%, rgba(242, 184, 75, 0.96));
  box-shadow: 0 10px 24px rgba(20, 184, 200, 0.25);
  flex: 0 0 auto;
}

.kp-custom-logo {
  display: block;
  max-width: 168px;
  max-height: 42px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.kp-site-title {
  display: block;
  color: var(--kp-ink);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kp-site-description {
  display: block;
  margin-top: 2px;
  color: var(--kp-muted);
  font-size: 12px;
  line-height: 1.45;
}

.kp-menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--kp-line);
  border-radius: 8px;
  background: #fff;
  color: var(--kp-ink);
  cursor: pointer;
}

.kp-menu-toggle span,
.kp-menu-toggle::before,
.kp-menu-toggle::after {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  content: "";
  background: currentColor;
}

.kp-main-nav ul {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.kp-main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 11px;
  color: var(--kp-ink);
  border-radius: 7px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.kp-main-nav a:hover,
.kp-main-nav .current-menu-item > a {
  background: rgba(20, 184, 200, 0.1);
  color: #0e7490;
}

.kp-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: #101722;
  isolation: isolate;
}

.kp-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(10, 14, 21, 0.94), rgba(10, 14, 21, 0.48) 50%, rgba(10, 14, 21, 0.72)),
    url("assets/images/hero-prism.svg") center/cover no-repeat;
  z-index: -2;
}

.kp-hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 120px;
  content: "";
  background: linear-gradient(180deg, transparent, rgba(245, 247, 250, 1));
  z-index: -1;
}

.kp-hero-inner {
  width: min(var(--kp-max), calc(100% - 32px));
  margin: 0 auto;
  min-height: min(680px, calc(100vh - 72px));
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(260px, 0.72fr);
  align-items: center;
  gap: 34px;
  padding: 78px 0 120px;
}

.kp-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 7px 10px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.kp-kicker::before {
  width: 8px;
  height: 8px;
  content: "";
  border-radius: 999px;
  background: var(--kp-gold);
  box-shadow: 0 0 22px rgba(242, 184, 75, 0.9);
}

.kp-hero h1 {
  margin: 0;
  font-size: clamp(36px, 5.2vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
  max-width: 9.8em;
}

.kp-hero-lead {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(15px, 1.7vw, 18px);
}

.kp-hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.kp-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 7px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: #fff;
  color: var(--kp-ink);
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.18);
}

.kp-button:hover {
  color: var(--kp-ink);
  transform: translateY(-1px);
}

.kp-button.is-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.kp-orbit {
  display: grid;
  gap: 14px;
}

.kp-orbit-card {
  margin-left: auto;
  max-width: 430px;
  padding: 16px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--kp-radius);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(18px);
}

.kp-orbit-card:nth-child(2) {
  margin-right: 34px;
}

.kp-orbit-card:nth-child(3) {
  margin-right: 76px;
}

.kp-orbit-card strong {
  display: block;
  font-size: 15px;
  line-height: 1.35;
}

.kp-orbit-card span {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.kp-section {
  padding: 56px 0;
}

.kp-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.kp-section-head h2,
.kp-page-title {
  margin: 0;
  color: var(--kp-ink);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.2;
}

.kp-section-head p {
  max-width: 620px;
  margin: 8px 0 0;
  color: var(--kp-muted);
  font-size: 14px;
}

.kp-chip-row {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
}

.kp-chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 11px;
  border: 1px solid var(--kp-line);
  border-radius: 999px;
  color: var(--kp-ink);
  background: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.kp-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.kp-grid.is-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.kp-card {
  position: relative;
  overflow: hidden;
  min-height: 100%;
  border: 1px solid var(--kp-line);
  border-radius: var(--kp-radius);
  background: var(--kp-panel);
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.09);
}

.kp-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--kp-shadow);
}

.kp-card-media {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(135deg, rgba(20, 184, 200, 0.28), rgba(239, 111, 97, 0.22)),
    #17202c;
}

.kp-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.32s ease;
}

.kp-card:hover .kp-card-media img {
  transform: scale(1.035);
}

.kp-card-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 900;
}

.kp-card-body {
  padding: 18px;
}

.kp-card-meta,
.kp-entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--kp-muted);
  font-size: 12px;
  font-weight: 700;
}

.kp-card-title {
  margin: 10px 0 0;
  font-size: 18px;
  line-height: 1.45;
}

.kp-card-title a {
  color: var(--kp-ink);
  text-decoration: none;
}

.kp-card-title a:hover {
  color: #0e7490;
}

.kp-card-excerpt {
  margin: 10px 0 0;
  color: #475467;
  font-size: 14px;
  line-height: 1.75;
}

.kp-readmore {
  display: inline-flex;
  margin-top: 14px;
  color: #0e7490;
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
}

.kp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  width: min(var(--kp-max), calc(100% - 32px));
  margin: 0 auto;
  padding: 46px 0 70px;
}

.kp-main {
  min-width: 0;
}

.kp-article,
.kp-page-panel,
.kp-sidebar-box {
  border: 1px solid var(--kp-line);
  border-radius: var(--kp-radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 14px 38px rgba(15, 23, 42, 0.08);
}

.kp-article {
  overflow: hidden;
}

.kp-entry-hero {
  padding: clamp(28px, 5vw, 58px);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(12, 17, 23, 0.94), rgba(22, 31, 44, 0.82)),
    url("assets/images/hero-prism.svg") center/cover no-repeat;
}

.kp-entry-hero h1 {
  max-width: 900px;
  margin: 14px 0 0;
  font-size: clamp(30px, 4.2vw, 56px);
  line-height: 1.18;
}

.kp-entry-hero .kp-entry-meta {
  color: rgba(255, 255, 255, 0.72);
}

.kp-entry-content {
  padding: clamp(24px, 4.5vw, 52px);
  font-size: 16px;
}

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

.kp-entry-content h2,
.kp-entry-content h3 {
  color: var(--kp-ink);
  line-height: 1.35;
}

.kp-entry-content h2 {
  margin-top: 2.1em;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--kp-line);
  font-size: clamp(23px, 2.7vw, 32px);
}

.kp-entry-content h3 {
  margin-top: 1.7em;
  font-size: 21px;
}

.kp-entry-content p,
.kp-entry-content li {
  color: #2f3a49;
}

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

.kp-entry-content blockquote {
  margin: 28px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--kp-cyan);
  background: rgba(20, 184, 200, 0.08);
  border-radius: 0 var(--kp-radius) var(--kp-radius) 0;
}

.kp-entry-content section {
  margin-top: 32px;
  padding: 20px;
  border: 1px solid rgba(20, 184, 200, 0.2);
  border-radius: var(--kp-radius);
  background: linear-gradient(135deg, rgba(20, 184, 200, 0.08), rgba(239, 111, 97, 0.07));
}

.kp-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}

.kp-post-nav a {
  display: block;
  padding: 14px;
  border: 1px solid var(--kp-line);
  border-radius: var(--kp-radius);
  background: #fff;
  text-decoration: none;
  font-weight: 800;
}

.kp-sidebar {
  display: grid;
  gap: 16px;
  align-content: start;
}

.kp-sidebar-box {
  padding: 18px;
}

.kp-sidebar-box h2,
.kp-sidebar-box h3 {
  margin: 0 0 12px;
  color: var(--kp-ink);
  font-size: 17px;
}

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

.kp-sidebar li + li {
  margin-top: 10px;
}

.search-form {
  display: flex;
  gap: 8px;
  margin: 18px 0;
}

.search-form label {
  flex: 1 1 auto;
  min-width: 0;
}

.search-field {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--kp-line);
  border-radius: 7px;
  background: #fff;
  color: var(--kp-ink);
  font: inherit;
}

.search-submit {
  min-height: 42px;
  padding: 9px 14px;
  border: 0;
  border-radius: 7px;
  background: var(--kp-ink);
  color: #fff;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.kp-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

.kp-pagination .page-numbers {
  display: inline-grid;
  place-items: center;
  min-width: 38px;
  min-height: 38px;
  padding: 6px 10px;
  border: 1px solid var(--kp-line);
  border-radius: 7px;
  background: #fff;
  color: var(--kp-ink);
  font-weight: 800;
  text-decoration: none;
}

.kp-pagination .current {
  color: #fff;
  background: var(--kp-ink);
}

.kp-site-footer {
  color: rgba(255, 255, 255, 0.78);
  background: #0d131c;
}

.kp-footer-inner {
  width: min(var(--kp-max), calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.kp-footer-inner a {
  color: #fff;
}

.kp-empty {
  padding: 32px;
  border: 1px dashed var(--kp-line);
  border-radius: var(--kp-radius);
  background: rgba(255, 255, 255, 0.75);
}

.kp-progress {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 80;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--kp-cyan), var(--kp-coral), var(--kp-gold));
}

@media (max-width: 920px) {
  body.admin-bar .kp-site-header {
    top: 46px;
  }

  .kp-menu-toggle {
    display: inline-block;
  }

  .kp-main-nav {
    display: none;
    grid-column: 1 / -1;
    padding-bottom: 14px;
  }

  .kp-main-nav.is-open {
    display: block;
  }

  .kp-main-nav ul {
    display: grid;
    justify-content: stretch;
    gap: 4px;
  }

  .kp-main-nav a {
    background: #fff;
  }

  .kp-hero-inner,
  .kp-layout {
    grid-template-columns: 1fr;
  }

  .kp-hero-inner {
    min-height: auto;
    padding: 58px 0 96px;
  }

  .kp-orbit-card,
  .kp-orbit-card:nth-child(2),
  .kp-orbit-card:nth-child(3) {
    margin: 0;
    max-width: none;
  }

  .kp-grid,
  .kp-grid.is-two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .kp-header-inner,
  .kp-container,
  .kp-hero-inner,
  .kp-layout,
  .kp-footer-inner {
    width: min(100% - 24px, var(--kp-max));
  }

  .kp-site-description {
    display: none;
  }

  .kp-section-head {
    display: block;
  }

  .kp-post-nav {
    grid-template-columns: 1fr;
  }

  .kp-entry-content {
    font-size: 15px;
  }
}