/* ======================================================
   RESET & BASE
   ====================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Great Wave of Kanagawa palette */
  --bg: #020c18;
  --bg-2: #061422;
  --bg-3: #0b1f33;
  --bg-card: #081929;
  --border: rgba(79, 163, 227, 0.10);
  --border-hover: rgba(79, 163, 227, 0.28);
  --text: #e8f4fd;
  --text-2: #7bacc8;
  --text-3: #3d6a8a;
  --accent: #1e6bc5;
  --accent-2: #4fa3e3;
  --accent-glow: rgba(30, 107, 197, 0.28);
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #eab308;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.7);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', 'Cascadia Code', monospace;
  --nav-h: 64px;
  --sidebar-w: 220px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: var(--font); }
input, textarea, select { font-family: var(--font); }

/* ======================================================
   LAYOUT
   ====================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 780px; }
.main-content { min-height: 100vh; }
.section { padding: 80px 0; }
.section--dark { background: var(--bg-2); }

/* ======================================================
   NAVIGATION
   ====================================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(2,12,24,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.nav-logo:hover { color: var(--accent-2); }
.nav-linkedin {
  display: flex;
  align-items: center;
  color: var(--text-2);
  transition: color var(--transition);
}
.nav-linkedin:hover { color: #0077b5; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-link {
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 8px;
  transition: all var(--transition);
}
.nav-link:hover { color: var(--text); background: var(--bg-3); }
.nav-link--admin { color: var(--accent-2); }
.nav-link--logout { color: var(--red); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ======================================================
   HERO
   ====================================================== */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.hero-orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #1e6bc5, transparent);
  top: -150px; left: -200px;
}
.hero-orb--2 {
  width: 450px; height: 450px;
  background: radial-gradient(circle, #4fa3e3, transparent);
  bottom: -100px; right: 5%;
}
.hero-orb--3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #c8e8f8, transparent);
  top: 25%; right: -120px;
  opacity: 0.15;
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 80px;
  padding-bottom: 120px;
}
.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}
.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #e8f4fd 0%, #4fa3e3 50%, #1e6bc5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
}
.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-2);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-2);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* Great Wave animated layers */
.hero-waves {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 200px;
  pointer-events: none;
  overflow: hidden;
}
.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 200%;
  height: 100%;
  background-repeat: repeat-x;
  background-position: 0 bottom;
  background-size: 50% 100%;
}
.hero-wave--1 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 160'%3E%3Cpath fill='%231e6bc5' fill-opacity='0.45' d='M0,80 C120,130 240,40 360,80 C480,120 600,30 720,70 C840,110 960,40 1080,75 C1200,110 1320,55 1440,80 L1440,160 L0,160 Z'/%3E%3C/svg%3E");
  animation: wave-drift 14s linear infinite;
}
.hero-wave--2 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 160'%3E%3Cpath fill='%234fa3e3' fill-opacity='0.3' d='M0,100 C100,60 220,130 360,95 C500,60 640,120 760,100 C880,80 1000,130 1120,105 C1240,80 1360,110 1440,95 L1440,160 L0,160 Z'/%3E%3C/svg%3E");
  animation: wave-drift 10s linear infinite reverse;
}
.hero-wave--3 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 160'%3E%3Cpath fill='%23020c18' fill-opacity='0.95' d='M0,120 C180,90 360,140 540,120 C720,100 900,140 1080,118 C1260,96 1380,122 1440,115 L1440,160 L0,160 Z'/%3E%3C/svg%3E");
  animation: wave-drift 18s linear infinite;
}
@keyframes wave-drift {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ======================================================
   BUTTONS
   ====================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, #1e6bc5 0%, #4fa3e3 100%);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px var(--accent-glow);
  color: #fff;
}
.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn--outline:hover {
  border-color: var(--border-hover);
  background: var(--bg-3);
  color: #fff;
}
.btn--ghost {
  background: transparent;
  color: var(--text-2);
}
.btn--ghost:hover { background: var(--bg-3); color: var(--text); }
.btn--danger {
  background: rgba(239,68,68,0.15);
  color: var(--red);
  border: 1px solid rgba(239,68,68,0.3);
}
.btn--danger:hover { background: var(--red); color: #fff; }
.btn--sm { padding: 8px 16px; font-size: 0.875rem; border-radius: 8px; }
.btn--xs { padding: 4px 10px; font-size: 0.8rem; border-radius: 6px; }
.btn--full { width: 100%; justify-content: center; }

/* ======================================================
   SECTION HEADERS
   ====================================================== */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 16px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.section-link {
  font-size: 0.9rem;
  color: var(--accent-2);
  white-space: nowrap;
}

/* ======================================================
   PAGE HERO
   ====================================================== */
.page-hero {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border);
}
.page-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}
.page-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.page-subtitle {
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 540px;
}

/* ======================================================
   CARDS GRID
   ====================================================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.cards-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-3);
}
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.card:hover .card-image img { transform: scale(1.04); }
.card-image--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
}
.card-body { padding: 24px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.tag {
  background: rgba(30,107,197,0.15);
  color: var(--accent-2);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid rgba(79,163,227,0.22);
}
.card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.01em; }
.card-title a { color: var(--text); }
.card-title a:hover { color: var(--accent-2); }
.card-excerpt { font-size: 0.9rem; color: var(--text-2); line-height: 1.6; margin-bottom: 16px; }
.card-meta { display: flex; align-items: center; justify-content: space-between; }
.card-date { font-size: 0.8rem; color: var(--text-2); }
.card-cta { font-size: 0.875rem; color: var(--accent-2); font-weight: 500; }
.card-cta:hover { color: #fff; }

/* ======================================================
   ABOUT
   ====================================================== */
.section--about { background: var(--bg-2); }
.about-card {
  display: flex;
  gap: 48px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
}
.about-avatar { flex-shrink: 0; }
.avatar-placeholder {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e6bc5, #4fa3e3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 0 30px rgba(30,107,197,0.4);
}
.about-bio { color: var(--text-2); font-size: 1.05rem; line-height: 1.75; margin-top: 12px; }
.about-tagline { color: var(--accent-2); margin-top: 12px; }

/* ======================================================
   BLOG LIST
   ====================================================== */
.admin-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.posts-list { display: flex; flex-direction: column; gap: 24px; }
.post-row {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  gap: 0;
  overflow: hidden;
  transition: all var(--transition);
}
.post-row:hover { border-color: var(--border-hover); transform: translateY(-1px); }
.post-row--draft { opacity: 0.7; }
.post-row-image {
  width: 220px;
  flex-shrink: 0;
  overflow: hidden;
}
.post-row-image img { width: 100%; height: 100%; object-fit: cover; }
.post-row-body { padding: 28px; flex: 1; min-width: 0; }
.post-row-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.post-date { font-size: 0.8rem; color: var(--text-2); }
.post-row-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.02em; }
.post-row-title a { color: var(--text); }
.post-row-title a:hover { color: var(--accent-2); }
.post-row-excerpt { font-size: 0.9rem; color: var(--text-2); line-height: 1.6; margin-bottom: 16px; }
.post-row-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.admin-actions { display: flex; gap: 8px; align-items: center; }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge--published { background: rgba(34,197,94,0.15); color: var(--green); }
.badge--draft { background: rgba(234,179,8,0.15); color: var(--yellow); }

/* ======================================================
   BLOG POST
   ====================================================== */
.post-hero { max-height: 500px; overflow: hidden; }
.post-hero-image img { width: 100%; height: 500px; object-fit: cover; }
.post-article { padding: 60px 0 80px; }
.post-header { margin-bottom: 48px; padding-bottom: 32px; border-bottom: 1px solid var(--border); }
.post-article-title { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 800; letter-spacing: -0.03em; margin: 16px 0 12px; }
.post-article-meta { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--text-2); }
.separator { color: var(--border); }
.post-footer { padding-top: 40px; border-top: 1px solid var(--border); }
.section--related { background: var(--bg-2); }

/* Prose */
.prose { font-size: 1.05rem; line-height: 1.8; color: var(--text-2); }
.prose h2 { font-size: 1.6rem; font-weight: 700; color: var(--text); margin: 40px 0 16px; letter-spacing: -0.02em; }
.prose h3 { font-size: 1.25rem; font-weight: 600; color: var(--text); margin: 32px 0 12px; }
.prose p { margin-bottom: 20px; }
.prose ul, .prose ol { margin: 16px 0 20px 24px; }
.prose li { margin-bottom: 8px; }
.prose a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 24px;
  margin: 24px 0;
  color: var(--text-2);
  font-style: italic;
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-3);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-2);
}
.prose pre {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
  margin: 24px 0;
}
.prose pre code { background: none; padding: 0; color: var(--text); }
.prose strong { color: var(--text); font-weight: 600; }
.prose img { border-radius: var(--radius); margin: 24px 0; }

/* ======================================================
   PROJECTS
   ====================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.project-card:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.project-card-media {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-3);
}
.project-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.project-card:hover .project-card-media img { transform: scale(1.05); }
.project-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--text-2);
}
.project-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: linear-gradient(135deg, #1e6bc5, #4fa3e3);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.project-card-body { padding: 24px; }
.project-card-title { font-size: 1.2rem; font-weight: 700; margin: 12px 0 10px; letter-spacing: -0.01em; }
.project-card-title a { color: var(--text); }
.project-card-title a:hover { color: var(--accent-2); }
.project-card-desc { font-size: 0.9rem; color: var(--text-2); line-height: 1.6; margin-bottom: 20px; }
.project-card-footer { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.embed-badge {
  font-size: 0.8rem;
  color: var(--accent-2);
  background: rgba(30,107,197,0.12);
  padding: 4px 10px;
  border-radius: 6px;
}

/* ======================================================
   PROJECT DETAIL
   ====================================================== */
.project-detail { padding: 60px 0 100px; }
.project-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}
.back-link { font-size: 0.9rem; color: var(--text-2); }
.back-link:hover { color: var(--text); }
.project-detail-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 20px; }
.project-detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  margin-top: 32px;
}
.project-gallery h2, .project-embed h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 40px 0 20px;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.gallery-item {
  aspect-ratio: 16/10;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}
.gallery-item:hover { transform: scale(1.02); border-color: var(--border-hover); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }
.embed-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.embed-wrapper iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.project-sidebar {}
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}
.sidebar-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 16px; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.06em; }
.project-meta-list { display: flex; flex-direction: column; gap: 10px; font-size: 0.9rem; }
.project-meta-list dt { color: var(--text-2); }
.project-meta-list dd { color: var(--text); }

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.lightbox.active { display: flex; }
.lightbox img { max-width: 90vw; max-height: 90vh; border-radius: var(--radius); object-fit: contain; }
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: #fff;
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-close:hover { background: rgba(255,255,255,0.2); }

/* ======================================================
   SKILLS SECTION
   ====================================================== */
.section--skills {
  padding: 32px 0 40px;
  border-bottom: 1px solid var(--border);
}
.skills-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
  text-decoration: none;
}
a.skills-label:hover { color: var(--accent-2); }
.skills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-2);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all var(--transition);
  cursor: default;
  user-select: none;
}
.skill-chip:hover {
  border-color: var(--accent-2);
  color: var(--text);
  background: rgba(30,107,197,0.10);
}

/* ======================================================
   EDITORIAL POST LIST (Homepage writing section)
   ====================================================== */
.section--writing { background: var(--bg); }
.home-posts {
  display: flex;
  flex-direction: column;
}
.home-post {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  transition: all var(--transition);
}
.home-post:first-child { border-top: 1px solid var(--border); }
.home-post:hover .home-post-title { color: var(--accent-2); }
.home-post-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition);
  flex: 1;
  min-width: 0;
  line-height: 1.4;
}
.home-post-meta {
  font-size: 0.78rem;
  color: var(--text-2);
  white-space: nowrap;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
.home-post-tags {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* ======================================================
   READING TIME
   ====================================================== */
.reading-time {
  font-size: 0.75rem;
  color: var(--text-2);
}

/* ======================================================
   TAG FILTER (Blog page)
   ====================================================== */
.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.tag-filter-btn {
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}
.tag-filter-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
}
.tag-filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ======================================================
   EMPTY STATE
   ====================================================== */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--text-2);
}
.empty-state svg { margin: 0 auto 24px; opacity: 0.4; }
.empty-state h3 { font-size: 1.3rem; color: var(--text); margin-bottom: 8px; }

/* ======================================================
   FOOTER
   ====================================================== */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: start;
  gap: 32px;
}
.footer-logo { font-size: 1.1rem; font-weight: 700; color: #fff; }
.footer-tagline { font-size: 0.85rem; color: var(--text-2); margin-top: 6px; }
.footer-nav { display: flex; gap: 20px; align-items: center; justify-content: center; }
.footer-nav a { font-size: 0.9rem; color: var(--text-2); }
.footer-nav a:hover { color: var(--text); }
.footer-social { display: flex; gap: 12px; align-items: center; }
.footer-social a { color: var(--text-2); transition: color var(--transition); }
.footer-social a:hover { color: var(--accent-2); }
.footer-copy {
  font-size: 0.8rem;
  color: var(--text-2);
  grid-column: 1 / -1;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ======================================================
   404
   ====================================================== */
.error-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
}
.error-content { text-align: center; padding: 60px 0; }
.error-code { font-size: 7rem; font-weight: 800; line-height: 1; background: linear-gradient(135deg, #1e6bc5, #4fa3e3); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.error-title { font-size: 2rem; font-weight: 700; margin: 16px 0 12px; }
.error-message { color: var(--text-2); margin-bottom: 32px; }

/* ======================================================
   LOGIN PAGE
   ====================================================== */
.login-page {
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-container { width: 100%; padding: 24px; }
.login-card {
  max-width: 420px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
}
.login-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}
.login-logo-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, #1e6bc5, #4fa3e3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}
.login-title { font-size: 1.5rem; font-weight: 700; text-align: center; margin-bottom: 8px; }
.login-subtitle { font-size: 0.9rem; color: var(--text-2); text-align: center; margin-bottom: 32px; }
.login-form { display: flex; flex-direction: column; gap: 20px; }
.login-back { text-align: center; margin-top: 24px; font-size: 0.9rem; color: var(--text-2); }

/* ======================================================
   ADMIN LAYOUT
   ====================================================== */
.admin-layout {
  display: flex;
  min-height: 100vh;
  background: var(--bg);
}
.admin-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.admin-sidebar-brand {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
}
.admin-sidebar-brand a { font-weight: 700; color: var(--text); font-size: 0.95rem; }
.admin-nav { padding: 12px 8px; flex: 1; }
.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-2);
  transition: all var(--transition);
  margin-bottom: 2px;
}
.admin-nav-link:hover { background: var(--bg-3); color: var(--text); }
.admin-nav-link--logout { color: var(--red); margin-top: 8px; }
.admin-nav-link--logout:hover { background: rgba(239,68,68,0.1); color: var(--red); }
.admin-nav-divider { height: 1px; background: var(--border); margin: 8px 0; }

.admin-main { flex: 1; min-width: 0; padding: 32px; overflow-y: auto; }
.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.admin-page-title { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; }
.admin-topbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* Stats */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}
.stat-value { font-size: 2.5rem; font-weight: 800; background: linear-gradient(135deg, #4fa3e3, #e8f4fd); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 0.85rem; color: var(--text-2); margin-top: 4px; }

/* Admin sections */
.admin-section { margin-bottom: 40px; }
.admin-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.admin-section-header h2 { font-size: 1.2rem; font-weight: 600; }
.admin-empty { color: var(--text-2); font-size: 0.9rem; padding: 20px 0; }
.admin-empty a { color: var(--accent-2); }

/* Tables */
.admin-table-wrap { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  background: var(--bg-3);
  color: var(--text-2);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 12px 16px;
  text-align: left;
}
.admin-table td {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  vertical-align: middle;
}
.admin-table tr:hover td { background: var(--bg-3); }
.table-link { color: var(--text); font-weight: 500; }
.table-link:hover { color: var(--accent-2); }
.table-date { color: var(--text-2); font-size: 0.85rem; white-space: nowrap; }
.table-actions { display: flex; gap: 6px; align-items: center; }

/* ======================================================
   FORMS
   ====================================================== */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 8px;
}
.label-hint { font-weight: 400; color: var(--text-2); opacity: 0.7; }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group input[type="file"] {
  padding: 8px;
  font-size: 0.85rem;
  color: var(--text-2);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.hint { font-size: 0.8rem; color: var(--text-2); margin-top: 6px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-row { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }
.form-col--main {}
.form-col--side {}
.sidebar-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}
.sidebar-panel h3 { font-size: 0.9rem; font-weight: 600; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px; }

.form-submit-row { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }

/* Toggle */
.toggle-label {
  display: flex !important;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.toggle-label input[type="checkbox"] { display: none; }
.toggle-slider {
  width: 40px;
  height: 22px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  position: relative;
  flex-shrink: 0;
  transition: background var(--transition);
}
.toggle-slider::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--text-2);
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: all var(--transition);
}
.toggle-label input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle-label input:checked + .toggle-slider::after { transform: translateX(18px); background: #fff; }
.toggle-text { font-size: 0.9rem; color: var(--text); }

/* Editor toolbar */
.editor-toolbar {
  display: flex;
  gap: 4px;
  padding: 8px 10px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  flex-wrap: wrap;
}
.editor-toolbar button {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-2);
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 5px;
  transition: all var(--transition);
}
.editor-toolbar button:hover { background: var(--bg-card); border-color: var(--border); color: var(--text); }
.editor-toolbar + textarea { border-radius: 0 0 8px 8px; }

/* Current image */
.current-image { margin-bottom: 12px; }
.current-image img { border-radius: 8px; width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.current-image p { margin-top: 6px; }

/* File drop zone */
.file-drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.file-drop-zone:hover, .file-drop-zone.dragover { border-color: var(--accent); background: var(--accent-glow); }
.file-drop-zone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop-zone-content { pointer-events: none; }
.drop-zone-content svg { margin: 0 auto 12px; color: var(--text-2); }
.drop-zone-content p { font-size: 0.9rem; color: var(--text-2); margin: 0; }
.drop-label { color: var(--accent-2); pointer-events: auto; cursor: pointer; }
.image-preview-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.image-preview-row img { width: 80px; height: 60px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }

/* Image grid manager */
.image-grid-manager { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin-top: 8px; }
.image-manager-item { position: relative; aspect-ratio: 16/10; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.image-manager-item img { width: 100%; height: 100%; object-fit: cover; }
.img-delete-btn {
  position: absolute;
  top: 6px; right: 6px;
  background: rgba(239,68,68,0.85);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 26px; height: 26px;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.image-manager-item:hover .img-delete-btn { opacity: 1; }

/* Embed preview */
.embed-preview-sm { aspect-ratio: 16/9; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.embed-preview-sm iframe { width: 100%; height: 100%; }

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 24px;
  font-size: 0.9rem;
}
.alert--error { background: rgba(239,68,68,0.1); color: var(--red); border: 1px solid rgba(239,68,68,0.2); }
.alert--success { background: rgba(34,197,94,0.1); color: var(--green); border: 1px solid rgba(34,197,94,0.2); }

/* ======================================================
   RESPONSIVE
   ====================================================== */
@media (max-width: 1024px) {
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
  .project-detail-layout { grid-template-columns: 1fr; }
  .project-sidebar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .nav-links { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; background: var(--bg-2); border-bottom: 1px solid var(--border); padding: 16px; flex-direction: column; gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-content { padding-top: 60px; padding-bottom: 80px; }
  .about-card { flex-direction: column; padding: 32px; gap: 24px; }
  .post-row { flex-direction: column; }
  .post-row-image { width: 100%; aspect-ratio: 16/9; }
  .cards-grid--3 { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; height: auto; position: relative; }
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
  .login-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
  .project-detail-title { font-size: 1.8rem; }
}

/* ======================================================
   FULL-WIDTH PROJECT EMBED (no doc text)
   ====================================================== */
.project-embed-full {
  width: 100%;
  margin-top: 24px;
}
.project-embed-full iframe {
  width: 100%;
  height: calc(100vh - var(--nav-h));
  display: block;
  border: none;
  border-top: 1px solid var(--border);
}
.project-embed-full-bar {
  padding: 14px 24px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
}

/* ======================================================
   PROJECT SPLIT LAYOUT (doc left, site right)
   ====================================================== */
.project-split {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(480px, 1fr);
  gap: 48px;
  align-items: start;
  margin-top: 32px;
  width: 100%;
  padding: 0 24px;
  box-sizing: border-box;
}

.project-doc-panel {
  min-width: 0;
  padding-right: 8px;
}

.project-doc-content {
  font-size: 1.05rem;
  line-height: 1.8;
}

/* Site iframe panel — sticky on the right */
.project-site-panel {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-site-iframe-wrapper {
  position: relative;
  width: 100%;
  height: calc(100vh - var(--nav-h) - 100px);
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: #f0f0f0;
}

.project-site-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}


.project-site-panel-inner {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.project-site-btn {
  width: 100%;
  justify-content: center;
  padding: 14px 24px;
  font-size: 1rem;
}

.project-site-panel--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-2);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .project-split {
    grid-template-columns: 1fr;
  }
  .project-site-panel {
    position: static;
  }
  .project-site-panel-inner {
    flex-direction: row;
    text-align: left;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
  }
  .project-site-btn { width: auto; }
}

/* ======================================================
   FORM TABS (Write Post / Import from Word)
   ====================================================== */
.form-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.form-tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 10px 18px;
  margin-bottom: -1px;
  cursor: pointer;
  transition: all var(--transition);
  border-radius: 0;
}

.form-tab-btn:hover { color: var(--text); }
.form-tab-btn.active {
  color: var(--accent-2);
  border-bottom-color: var(--accent-2);
}

/* ======================================================
   WORD IMPORT ZONE
   ====================================================== */
.word-import-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.word-import-zone:hover,
.word-import-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.word-import-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

/* Import info banner */
.import-info {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(30,107,197,0.08);
  border: 1px solid rgba(79,163,227,0.20);
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 0.875rem;
  color: var(--text-2);
}
.import-info svg { flex-shrink: 0; color: var(--accent-2); margin-top: 1px; }
.import-info strong { color: var(--text); }

/* Import status message */
.import-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-top: 12px;
}
.import-status--loading { background: rgba(30,107,197,0.10); color: var(--accent-2); border: 1px solid rgba(79,163,227,0.22); }
.import-status--success { background: rgba(34,197,94,0.1); color: var(--green); border: 1px solid rgba(34,197,94,0.2); }
.import-status--error { background: rgba(239,68,68,0.1); color: var(--red); border: 1px solid rgba(239,68,68,0.2); }

/* Import preview */
.import-panel { max-width: 860px; }
.import-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 32px 0 16px;
  flex-wrap: wrap;
}
.import-preview-header h3 { font-size: 1rem; font-weight: 600; color: var(--text-2); }

.import-preview-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.import-preview-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.import-preview-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(30,107,197,0.15);
  border: 1px solid rgba(79,163,227,0.25);
  color: var(--accent-2);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.import-preview-body { flex: 1; min-width: 0; }

.import-title-input {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 12px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
  outline: none;
  transition: border-color var(--transition);
}
.import-title-input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }

.import-preview-excerpt {
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.5;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* ======================================================
   DOC PREVIEW BOX (admin project form)
   ====================================================== */
.doc-preview-box {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  max-height: 400px;
  overflow-y: auto;
  font-size: 0.9rem;
}

/* ======================================================
   LAYOUT PREVIEW (admin project form sidebar)
   ====================================================== */
.layout-preview {
  display: flex;
  gap: 6px;
  height: 60px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.layout-preview-left {
  flex: 3;
  background: rgba(30,107,197,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--accent-2);
  font-weight: 600;
}
.layout-preview-right {
  flex: 1.5;
  background: rgba(34,197,94,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--green);
  font-weight: 600;
  text-align: center;
  padding: 4px;
}

/* ======================================================
   EXPORT SECTION (settings page)
   ====================================================== */
.export-box {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.export-box p { font-size: 0.875rem; color: var(--text-2); line-height: 1.5; }

/* ======================================================
   NAV ACTIONS GROUP (filters + settings cog)
   ====================================================== */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ======================================================
   FILTERS DROPDOWN
   ====================================================== */
.nav-filters {
  position: relative;
  flex-shrink: 0;
}
.nav-filter-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  transition: all var(--transition);
  font-family: var(--font);
  white-space: nowrap;
}
.nav-filter-btn:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--bg-3);
}
.nav-filter-btn.active {
  color: var(--accent-2);
  border-color: var(--accent-2);
  background: rgba(30, 107, 197, 0.08);
}
.filters-panel {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 200px;
  max-height: 320px;
  overflow-y: auto;
  z-index: 200;
  box-shadow: var(--shadow-lg);
}
.filters-panel.open { display: block; }
.filter-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition);
  user-select: none;
}
.filter-option:hover { background: var(--bg-3); }
.filter-checkbox {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--text-3);
  border-radius: 3px;
  background: var(--bg-3);
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition: all var(--transition);
}
.filter-checkbox:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.filter-checkbox:checked::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 1px;
  width: 7px;
  height: 4px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}
.filter-option-label {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color var(--transition);
}
.filter-option:has(.filter-checkbox:checked) .filter-option-label { color: var(--text); }
.filter-empty {
  font-size: 0.85rem;
  color: var(--text-3);
  padding: 8px 10px;
}

/* ======================================================
   SETTINGS COG & PANEL
   ====================================================== */
.nav-settings {
  position: relative;
  flex-shrink: 0;
}
.nav-cog-btn {
  background: none;
  border: none;
  color: var(--text-2);
  padding: 6px 8px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.nav-cog-btn:hover {
  color: var(--text);
  background: var(--bg-3);
}
.nav-cog-btn.active {
  color: var(--accent-2);
  background: var(--bg-3);
}
.settings-panel {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  width: 220px;
  z-index: 200;
  box-shadow: var(--shadow-lg);
}
.settings-panel.open {
  display: block;
}
.settings-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.settings-label {
  font-size: 0.875rem;
  color: var(--text-2);
  font-weight: 500;
}
.settings-select {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.875rem;
  padding: 5px 10px;
  cursor: pointer;
  transition: border-color var(--transition);
}
.settings-select:focus {
  outline: none;
  border-color: var(--accent-2);
}

/* ======================================================
   LIGHT THEME
   ====================================================== */
body.theme-light {
  --bg: #ffffff;
  --bg-2: #f1f5f9;
  --bg-3: #e2e8f0;
  --bg-card: #f8fafc;
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.18);
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;
  --accent: #1e6bc5;
  --accent-2: #1a5fa8;
  --accent-glow: rgba(30, 107, 197, 0.15);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.12);
}
body.theme-light .nav {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}
body.theme-light .hero-title {
  background: linear-gradient(135deg, #0f172a 0%, #1e6bc5 55%, #4fa3e3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
body.theme-light .hero-waves { display: none; }
body.theme-light a:hover { color: var(--text); }
body.theme-light .nav-logo { color: #0f172a; }
body.theme-light .nav-logo:hover { color: var(--accent-2); }
body.theme-light .nav-linkedin { color: #475569; }
body.theme-light .nav-linkedin:hover { color: #0077b5; }
body.theme-light .nav-toggle span { background: var(--text); }
body.theme-light .nav-link.active { color: #0f172a !important; background: rgba(0, 0, 0, 0.06) !important; }
body.theme-light .footer-logo { color: #0f172a; }

/* ======================================================
   WAVE THEME
   ====================================================== */
body.theme-wave {
  /* Dark palette layered over the wave image at 10% opacity (90% transparent) */
  background-image:
    linear-gradient(rgba(2, 12, 24, 0.9), rgba(2, 12, 24, 0.9)),
    url('../images/wave.png');
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
}