/*
Theme Name:  Thuận Blog WP
Author:      Trần Văn Thuận
Description: Blog cá nhân – dark edition với WordPress
Version:     2.0
Text Domain: thuan-blog
*/

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

:root {
  --bg:       #0F172A;
  --surface:  #1E293B;
  --surface2: #253347;
  --text:     #E2E8F0;
  --muted:    #94A3B8;
  --green:    #10B981;
  --green-lt: rgba(16,185,129,.12);
  --amber:    #F59E0B;
  --border:   rgba(255,255,255,.07);
  --mono:     'JetBrains Mono', monospace;
  --sans:     'Be Vietnam Pro', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
}

/* ── NAV ── */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(15,23,42,.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 5%;
  display: flex; align-items: center;
  justify-content: space-between; height: 58px;
}
.nav-logo {
  font-family: var(--mono); font-size: 14px;
  color: var(--green); text-decoration: none; font-weight: 500;
}
.nav-logo span { color: var(--amber); }
.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a {
  font-size: 13px; font-weight: 500;
  color: var(--muted); text-decoration: none; transition: color .2s;
}
.nav-links a:hover { color: var(--green); }

/* ── HERO ── */
.hero {
  max-width: 900px; margin: 0 auto;
  padding: 90px 5% 70px;
  display: grid; grid-template-columns: 1fr 200px;
  gap: 48px; align-items: center;
}
.hero-eyebrow {
  font-family: var(--mono); font-size: 12px;
  color: var(--green); letter-spacing: 1.5px;
  text-transform: uppercase; margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
}
.hero-eyebrow::before {
  content: ''; display: block;
  width: 28px; height: 2px; background: var(--green);
}
.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 700; letter-spacing: -2px;
  line-height: 1.1; margin-bottom: 14px; color: #fff;
}
.hero h1 em { font-style: normal; color: var(--green); }

.typewriter-wrap {
  font-family: var(--mono); font-size: 13px;
  color: var(--amber); margin-bottom: 22px; min-height: 20px;
}
.cursor { animation: blink .7s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  font-size: 15px; color: var(--muted);
  max-width: 460px; margin-bottom: 32px; line-height: 1.8;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  padding: 10px 22px; border-radius: 6px;
  font-size: 13px; font-weight: 600;
  text-decoration: none; transition: all .2s;
  display: inline-block; cursor: pointer; border: none;
}
.btn-green  { background: var(--green); color: #0F172A; }
.btn-green:hover { background: #0ea472; color: #0F172A; }
.btn-ghost  { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--green); color: var(--green); }

/* Avatar – terminal window style */
.hero-terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
  flex-shrink: 0;
}
.terminal-bar {
  background: var(--surface2); padding: 9px 14px;
  display: flex; align-items: center; gap: 7px;
}
.terminal-bar span {
  width: 10px; height: 10px; border-radius: 50%;
}
.t-red   { background: #FF5F57; }
.t-amber { background: #FFBD2E; }
.t-green { background: #28C840; }
.terminal-body {
  padding: 18px 16px;
  font-family: var(--mono); font-size: 12px;
  color: var(--muted); line-height: 1.9;
}
.terminal-body .t-green-txt { color: var(--green); }
.terminal-body .t-amber-txt { color: var(--amber); }
.terminal-body .t-white     { color: #fff; }

/* ── DIVIDER ── */
hr.divider {
  border: none; border-top: 1px solid var(--border);
  max-width: 900px; margin: 0 auto;
}

/* ── SECTIONS ── */
.wrap { max-width: 900px; margin: 0 auto; padding: 56px 5%; }
.section-eyebrow {
  font-family: var(--mono); font-size: 11px;
  color: var(--green); text-transform: uppercase;
  letter-spacing: 1.5px; margin-bottom: 8px;
}
.section-title {
  font-size: 24px; font-weight: 700;
  letter-spacing: -.5px; margin-bottom: 28px; color: #fff;
}

/* ── INFO CARDS ── */
.about-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.info-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px 20px;
  transition: border-color .2s;
}
.info-card:hover { border-color: var(--green); }
.info-card .lbl {
  font-size: 10px; font-weight: 600; letter-spacing: .8px;
  text-transform: uppercase; color: var(--muted); margin-bottom: 6px;
}
.info-card .val { font-size: 14px; font-weight: 600; color: var(--text); }
.info-card .val.green { color: var(--green); }

/* ── SKILLS ── */
.skills-wrap { display: flex; flex-wrap: wrap; gap: 9px; }
.skill-tag {
  display: flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 13px;
  font-size: 12px; font-weight: 500; color: var(--text);
  transition: all .2s;
}
.skill-tag:hover { border-color: var(--green); color: var(--green); background: var(--green-lt); }
.skill-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

/* ── POSTS GRID ── */
.posts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.post-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px 26px;
  text-decoration: none; color: inherit; display: flex;
  flex-direction: column; transition: all .25s; position: relative;
}
.post-card:hover {
  border-color: var(--green);
  box-shadow: 0 0 0 1px var(--green), 0 12px 40px rgba(16,185,129,.08);
  transform: translateY(-2px);
}
.post-meta { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; }
.post-cat {
  font-size: 10px; font-weight: 700; letter-spacing: .6px;
  text-transform: uppercase; padding: 3px 8px; border-radius: 4px;
}
.post-date { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.post-card h2 {
  font-size: 16px; font-weight: 700; line-height: 1.4;
  margin-bottom: 10px; color: #fff; letter-spacing: -.3px;
}
.post-card p { font-size: 13px; color: var(--muted); line-height: 1.7; flex: 1; }

/* ── DB STATS ROW ── */
.post-stats {
  display: flex; align-items: center; gap: 14px;
  margin-top: 16px; padding-top: 14px;
  border-top: 1px solid var(--border);
}
.stat-item {
  display: flex; align-items: center; gap: 5px;
  font-family: var(--mono); font-size: 11px; color: var(--muted);
}
.stat-item svg { width: 13px; height: 13px; }

/* Like button */
.like-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: transparent; border: 1px solid var(--border);
  border-radius: 5px; padding: 4px 10px;
  font-family: var(--mono); font-size: 11px;
  color: var(--muted); cursor: pointer;
  transition: all .2s; margin-left: auto;
}
.like-btn:hover, .like-btn.liked {
  border-color: #f43f5e; color: #f43f5e;
  background: rgba(244,63,94,.08);
}
.like-btn.liked { pointer-events: none; }

/* No posts */
.no-posts {
  grid-column: 1/-1; text-align: center;
  padding: 50px; color: var(--muted); font-size: 14px;
  background: var(--surface); border-radius: 14px;
  border: 1px solid var(--border);
}
.no-posts a { color: var(--green); }

/* ── TIMELINE ── */
.timeline { border-left: 2px solid var(--border); padding-left: 28px; }
.tl-item { position: relative; margin-bottom: 28px; }
.tl-item::before {
  content: ''; position: absolute;
  left: -35px; top: 5px;
  width: 10px; height: 10px;
  border-radius: 50%; background: var(--green);
  border: 2px solid var(--bg);
  outline: 2px solid var(--green);
}
.tl-year { font-family: var(--mono); font-size: 11px; color: var(--amber); margin-bottom: 4px; }
.tl-item h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.tl-item p  { font-size: 13px; color: var(--muted); }

/* ── SINGLE POST ── */
.single-wrap { max-width: 720px; margin: 0 auto; padding: 60px 5%; }
.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--green);
  text-decoration: none; margin-bottom: 36px;
  font-family: var(--mono);
}
.back-link:hover { text-decoration: underline; }
.single-wrap h1 {
  font-size: clamp(24px,4vw,38px); font-weight: 700;
  letter-spacing: -1px; line-height: 1.2; margin-bottom: 18px; color: #fff;
}
.single-stats {
  display: flex; gap: 16px; align-items: center;
  margin-bottom: 36px; padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.single-content {
  font-size: 16px; line-height: 1.9; color: #CBD5E1;
}
.single-content h2 { font-size: 22px; font-weight: 700; color: #fff; margin: 32px 0 12px; }
.single-content h3 { font-size: 18px; font-weight: 600; color: #fff; margin: 24px 0 10px; }
.single-content p  { margin-bottom: 18px; }
.single-content a  { color: var(--green); }
.single-content pre {
  background: #020817; color: #94A3B8;
  padding: 20px; border-radius: 10px; overflow-x: auto;
  font-family: var(--mono); font-size: 13px; margin-bottom: 18px;
  border: 1px solid var(--border);
}
.single-content code {
  background: var(--green-lt); color: var(--green);
  padding: 2px 6px; border-radius: 4px;
  font-family: var(--mono); font-size: 13px;
}
.single-content pre code { background: none; color: inherit; padding: 0; }
.single-content img { max-width: 100%; border-radius: 10px; margin: 20px 0; }
.single-content blockquote {
  border-left: 3px solid var(--green);
  padding: 12px 20px; margin: 20px 0;
  color: var(--muted); font-style: italic;
  background: var(--green-lt); border-radius: 0 8px 8px 0;
}

/* Single like row */
.single-like-row {
  margin-top: 40px; padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 14px;
}
.single-like-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 8px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--muted); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all .25s;
}
.single-like-btn:hover, .single-like-btn.liked {
  border-color: #f43f5e; color: #f43f5e;
  background: rgba(244,63,94,.08);
}
.single-like-btn.liked { pointer-events: none; }
.single-like-count { font-family: var(--mono); font-size: 13px; color: var(--muted); }

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--border);
  max-width: 900px; margin: 0 auto;
  padding: 32px 5%;
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 14px;
}
.site-footer p { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 32px; height: 32px; border: 1px solid var(--border);
  border-radius: 6px; display: flex; align-items: center;
  justify-content: center; text-decoration: none;
  font-size: 11px; color: var(--muted); font-weight: 700;
  transition: all .2s;
}
.social-links a:hover { border-color: var(--green); color: var(--green); }

/* ── RESPONSIVE ── */
@media(max-width:680px){
  .hero { grid-template-columns:1fr; }
  .hero-terminal { display: none; }
  .about-grid { grid-template-columns:1fr 1fr; }
  .posts-grid { grid-template-columns:1fr; }
}
@media(max-width:420px){
  .about-grid { grid-template-columns:1fr; }
}