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

:root {
  --primary: #6c5ce7;
  --primary-dark: #5a4bd1;
  --primary-glow: rgba(108, 92, 231, 0.25);
  --bg: #0f0f1a;
  --bg-light: #1a1a2e;
  --bg-card: #16213e;
  --text: #e0e0e0;
  --text-muted: #a0a0b0;
  --white: #ffffff;
  --success: #00cec9;
  --danger: #ff7675;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: 960px; margin: 0 auto; padding: 0 2rem; }

/* ── Navigation ────────────────────────────────────────── */
nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 5%;
  background: rgba(15, 15, 26, 0.95);
  position: fixed; width: 100%; top: 0; z-index: 100;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(108, 92, 231, 0.15);
}

.logo {
  font-size: 1.6rem; font-weight: 800;
  color: var(--primary);
  letter-spacing: 2px;
}

.nav-links { list-style: none; display: flex; gap: 2rem; }
.nav-links a {
  color: var(--text-muted); text-decoration: none;
  font-size: 0.95rem; transition: color 0.3s;
}
.nav-links a:hover { color: var(--primary); }

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-block; padding: 0.85rem 2.2rem;
  background: var(--primary); color: var(--white);
  text-decoration: none; border: none; border-radius: 8px;
  font-size: 1rem; font-weight: 600; cursor: pointer;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
}
.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}
.btn-outline {
  background: transparent; border: 2px solid var(--primary); color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-full { width: 100%; }

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 0 2rem;
  background: radial-gradient(ellipse at 50% 0%, rgba(108, 92, 231, 0.12) 0%, transparent 60%);
}

.hero-greeting { font-size: 1.2rem; color: var(--primary); margin-bottom: 0.5rem; font-weight: 600; }

.hero-content h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800; margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--white), var(--primary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-role {
  font-size: 1.3rem; color: var(--success); font-weight: 600; margin-bottom: 1rem;
}
.hero-desc {
  font-size: 1.1rem; color: var(--text-muted);
  max-width: 520px; margin: 0 auto 2rem;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; margin-bottom: 2.5rem; }

/* Social Icons */
.social-links { display: flex; gap: 1.2rem; justify-content: center; }
.social-links a {
  color: var(--text-muted); transition: color 0.3s, transform 0.3s;
}
.social-links a:hover { color: var(--primary); transform: translateY(-3px); }

/* ── Section Title ─────────────────────────────────────── */
.section-title {
  font-size: 2.2rem; text-align: center;
  margin-bottom: 3rem; color: var(--white);
  position: relative;
}
.section-title::after {
  content: ''; display: block; width: 60px; height: 3px;
  background: var(--primary); margin: 0.8rem auto 0; border-radius: 2px;
}

/* ── About ─────────────────────────────────────────────── */
.about { padding: 6rem 5%; background: var(--bg-light); }
.about-text p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 1.2rem; line-height: 1.8; text-align: center; }
.about-stats { display: flex; justify-content: center; gap: 3rem; margin-top: 2rem; }
.stat { text-align: center; cursor: default; }
.stat-number { display: block; font-size: 2rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 0.9rem; color: var(--text-muted); }

/* ── Skills ────────────────────────────────────────────── */
.skills { padding: 6rem 5%; }
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem; max-width: 960px; margin: 0 auto;
}
.skill-card {
  background: var(--bg-card); padding: 2rem 1.5rem;
  border-radius: 16px; text-align: center;
  border: 1px solid rgba(108, 92, 231, 0.1);
  transition: transform 0.3s, border-color 0.3s;
  cursor: default;
}
.skill-card:hover { transform: translateY(-5px); border-color: rgba(108, 92, 231, 0.4); }
.skill-icon { font-size: 2.5rem; margin-bottom: 0.8rem; }
.skill-card h3 { color: var(--white); margin-bottom: 0.5rem; }
.skill-card p { color: var(--text-muted); font-size: 0.9rem; }

/* ── Contact ───────────────────────────────────────────── */
.contact { padding: 6rem 5%; background: var(--bg-light); }
.contact-subtitle { text-align: center; color: var(--text-muted); margin-bottom: 2rem; }
.contact form { max-width: 500px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.contact textarea {
  padding: 1rem 1.2rem; background: var(--bg);
  border: 1px solid rgba(108, 92, 231, 0.2); border-radius: 8px;
  color: var(--text); font-size: 1rem; font-family: inherit;
  outline: none; transition: border-color 0.3s; resize: vertical;
}
.contact textarea:focus { border-color: var(--primary); }

.status-msg {
  text-align: center; font-size: 0.95rem; min-height: 1.4rem;
}
.status-msg.success { color: var(--success); }
.status-msg.error { color: var(--danger); }

/* ── Footer ────────────────────────────────────────────── */
footer {
  text-align: center; padding: 2.5rem 2rem;
  border-top: 1px solid rgba(108, 92, 231, 0.1);
}
.footer-links { margin-bottom: 1rem; display: flex; gap: 2rem; justify-content: center; }
.footer-links a {
  color: var(--text-muted); text-decoration: none; font-size: 0.95rem;
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--primary); }
footer p { color: var(--text-muted); font-size: 0.85rem; }

/* ── Verify Page ───────────────────────────────────────── */
.verify-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% 30%, rgba(108, 92, 231, 0.1) 0%, transparent 60%);
}
.verify-container { width: 100%; max-width: 440px; padding: 2rem; }
.verify-card {
  background: var(--bg-light); padding: 3rem 2.5rem;
  border-radius: 20px;
  border: 1px solid rgba(108, 92, 231, 0.15);
  text-align: center;
}
.verify-icon { font-size: 3rem; margin-bottom: 1rem; }
.verify-card h1 { font-size: 1.8rem; color: var(--white); margin-bottom: 0.5rem; }
.verify-subtitle { color: var(--text-muted); margin-bottom: 2rem; }

.form-group { text-align: left; margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.4rem; font-weight: 600; }
.form-group input {
  width: 100%; padding: 0.85rem 1rem;
  background: var(--bg); border: 1px solid rgba(108, 92, 231, 0.2);
  border-radius: 8px; color: var(--text); font-size: 1rem;
  outline: none; transition: border-color 0.3s;
}
.form-group input:focus { border-color: var(--primary); }

.error-msg {
  color: var(--danger); font-size: 0.9rem;
  min-height: 1.4rem; margin-bottom: 0.5rem;
}

.verify-note {
  margin-top: 1.5rem; font-size: 0.8rem; color: var(--text-muted);
  line-height: 1.6;
}

/* ── Animations ────────────────────────────────────────── */
.fade-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.85rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .about-stats { gap: 1.5rem; }
}

/* ── Shared Navbar (blog/projects/admin pages) ─────────── */
.navbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 5%; background: rgba(15,15,26,0.97);
  border-bottom: 1px solid rgba(108,92,231,0.15);
  position: sticky; top: 0; z-index: 100; backdrop-filter: blur(10px);
}
.nav-brand a { color: var(--primary); font-weight: 800; font-size: 1.4rem; text-decoration: none; letter-spacing: 1px; }
.navbar .nav-links { display: flex; gap: 1.5rem; list-style: none; align-items: center; }
.navbar .nav-links a { color: var(--text-muted); text-decoration: none; font-size: 0.95rem; transition: color 0.3s; }
.navbar .nav-links a:hover, .navbar .nav-links a.active { color: var(--primary); }

.section { padding: 4rem 5% 3rem; max-width: 1100px; margin: 0 auto; }
.section-subtitle { text-align: center; color: var(--text-muted); margin-top: -2rem; margin-bottom: 2.5rem; }
.loading-spinner { text-align: center; color: var(--text-muted); padding: 3rem 0; }
.empty-state { text-align: center; color: var(--text-muted); padding: 3rem 0; }
.empty-state a { color: var(--primary); }

.footer { text-align: center; padding: 2rem; border-top: 1px solid rgba(108,92,231,0.1); color: var(--text-muted); font-size: 0.85rem; }

/* ── Blog ──────────────────────────────────────────────── */
.blog-filters { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-bottom: 2rem; }
.tag-btn {
  padding: 0.4rem 1rem; background: var(--bg-card); border: 1px solid rgba(108,92,231,0.15);
  color: var(--text-muted); border-radius: 20px; cursor: pointer; font-size: 0.85rem; transition: all 0.2s;
}
.tag-btn:hover, .tag-btn.active { background: var(--primary); color: var(--white); border-color: var(--primary); }

.blog-grid { display: grid; gap: 1.5rem; }
.blog-card {
  background: var(--bg-card); border-radius: 16px; padding: 1.8rem 2rem;
  border: 1px solid rgba(108,92,231,0.1); cursor: pointer;
  transition: transform 0.3s, border-color 0.3s;
}
.blog-card:hover { transform: translateY(-3px); border-color: rgba(108,92,231,0.4); }
.blog-card h3 { color: var(--white); margin-bottom: 0.5rem; font-size: 1.25rem; }
.blog-summary { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 0.8rem; line-height: 1.6; }
.blog-meta { color: var(--text-muted); font-size: 0.8rem; display: flex; gap: 1.5rem; margin-bottom: 0.6rem; }
.blog-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.tag {
  display: inline-block; padding: 0.2rem 0.6rem; background: rgba(108,92,231,0.15);
  color: var(--primary); border-radius: 4px; font-size: 0.75rem; text-decoration: none;
}

.pagination { display: flex; justify-content: center; align-items: center; gap: 1rem; margin-top: 2rem; }
.pagination button {
  padding: 0.5rem 1rem; background: var(--primary); color: var(--white);
  border: none; border-radius: 6px; cursor: pointer; font-size: 0.9rem;
}
.pagination button:hover { background: var(--primary-dark); }
.pagination span { color: var(--text-muted); font-size: 0.9rem; }

/* ── Blog Post ─────────────────────────────────────────── */
.post-container { max-width: 800px; margin: 0 auto; padding: 2rem 5% 4rem; }
.post-header { margin-bottom: 2rem; }
.back-link { color: var(--primary); text-decoration: none; font-size: 0.9rem; display: inline-block; margin-bottom: 1rem; }
.back-link:hover { text-decoration: underline; }
.post-header h1 { font-size: 2.2rem; color: var(--white); margin-bottom: 0.8rem; line-height: 1.3; }
.post-meta { color: var(--text-muted); font-size: 0.9rem; display: flex; gap: 0.5rem; margin-bottom: 0.8rem; }

.post-body { color: var(--text); line-height: 1.8; font-size: 1.05rem; }
.post-body h2 { color: var(--white); margin: 2rem 0 1rem; font-size: 1.5rem; }
.post-body h3 { color: var(--white); margin: 1.5rem 0 0.8rem; font-size: 1.2rem; }
.post-body p { margin-bottom: 1rem; }
.post-body ul, .post-body ol { margin: 0.5rem 0 1rem 1.5rem; color: var(--text-muted); }
.post-body li { margin-bottom: 0.3rem; }
.post-body pre { background: #1e1e2e; border-radius: 8px; padding: 1.2rem; overflow-x: auto; margin: 1rem 0; }
.post-body code { font-family: 'Cascadia Code', 'Fira Code', monospace; font-size: 0.9rem; }
.post-body p code { background: rgba(108,92,231,0.15); padding: 0.15rem 0.4rem; border-radius: 4px; }
.post-body table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.post-body th, .post-body td { padding: 0.6rem 1rem; border: 1px solid rgba(108,92,231,0.15); text-align: left; }
.post-body th { background: var(--bg-card); color: var(--white); }
.post-body strong { color: var(--white); }
.post-body blockquote { border-left: 3px solid var(--primary); margin: 1rem 0; padding: 0.5rem 1rem; color: var(--text-muted); }
.post-footer { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid rgba(108,92,231,0.1); }

/* ── Projects ──────────────────────────────────────────── */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px,1fr)); gap: 1.5rem; }
.project-card {
  background: var(--bg-card); border-radius: 16px; padding: 1.8rem 2rem;
  border: 1px solid rgba(108,92,231,0.1); position: relative;
  transition: transform 0.3s, border-color 0.3s;
}
.project-card:hover { transform: translateY(-3px); border-color: rgba(108,92,231,0.4); }
.project-card.featured { border-color: rgba(108,92,231,0.4); }
.featured-badge {
  position: absolute; top: 1rem; right: 1rem; background: var(--primary);
  color: var(--white); padding: 0.2rem 0.6rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600;
}
.project-card h3 { color: var(--white); margin-bottom: 0.5rem; }
.project-desc { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; line-height: 1.5; }
.project-meta { display: flex; gap: 1rem; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; align-items: center; }
.project-lang { display: flex; align-items: center; gap: 0.3rem; }
.lang-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.project-links { display: flex; gap: 0.8rem; }
.btn-sm { padding: 0.4rem 1rem; font-size: 0.85rem; border-radius: 6px; }
.project-updated { margin-top: 0.8rem; font-size: 0.75rem; color: var(--text-muted); }

/* ── Admin ─────────────────────────────────────────────── */
.admin-login-overlay {
  position: fixed; inset: 0; background: rgba(15,15,26,0.97);
  display: flex; align-items: center; justify-content: center; z-index: 200;
}
.admin-login-box {
  background: var(--bg-light); padding: 3rem 2.5rem; border-radius: 20px;
  border: 1px solid rgba(108,92,231,0.15); width: 100%; max-width: 400px;
}
.admin-login-box h2 { color: var(--white); text-align: center; margin-bottom: 1.5rem; }
.admin-login-box input {
  width: 100%; padding: 0.85rem 1rem; margin-bottom: 1rem;
  background: var(--bg); border: 1px solid rgba(108,92,231,0.2);
  border-radius: 8px; color: var(--text); font-size: 1rem; outline: none;
}
.admin-login-box input:focus { border-color: var(--primary); }
.admin-login-box .btn { width: 100%; }

.admin-container { max-width: 1200px; margin: 0 auto; padding: 2rem 5% 4rem; }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 1rem; margin-bottom: 2rem; }
.kpi-card {
  background: var(--bg-card); border-radius: 12px; padding: 1.5rem; text-align: center;
  border: 1px solid rgba(108,92,231,0.1);
}
.kpi-card h3 { font-size: 2rem; color: var(--primary); margin-bottom: 0.3rem; }
.kpi-card p { color: var(--text-muted); font-size: 0.85rem; }

.charts-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
.chart-card {
  background: var(--bg-card); border-radius: 12px; padding: 1.5rem;
  border: 1px solid rgba(108,92,231,0.1);
}
.chart-card h3 { color: var(--white); font-size: 1rem; margin-bottom: 1rem; }

.admin-table-card {
  background: var(--bg-card); border-radius: 12px; padding: 1.5rem;
  border: 1px solid rgba(108,92,231,0.1); margin-bottom: 1.5rem;
}
.admin-table-card h3 { color: var(--white); margin-bottom: 1rem; }

.table-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.table-controls { display: flex; gap: 0.5rem; align-items: center; }
.input-sm { padding: 0.4rem 0.8rem; background: var(--bg); border: 1px solid rgba(108,92,231,0.2); border-radius: 6px; color: var(--text); font-size: 0.85rem; outline: none; }

.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 0.6rem 0.8rem; text-align: left; font-size: 0.85rem; border-bottom: 1px solid rgba(108,92,231,0.08); }
.admin-table th { color: var(--text-muted); font-weight: 600; }
.admin-table td { color: var(--text); }

.admin-actions {
  background: var(--bg-card); border-radius: 12px; padding: 1.5rem;
  border: 1px solid rgba(108,92,231,0.1); margin-bottom: 1.5rem;
}
.admin-actions h3 { color: var(--white); margin-bottom: 0.8rem; }
.action-buttons { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.action-buttons .btn-sm { text-decoration: none; }
#syncStatus { margin-left: 0.5rem; color: var(--success); font-size: 0.9rem; }

@media (max-width: 768px) {
  .charts-row { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(2,1fr); }
  .table-header { flex-direction: column; gap: 0.5rem; }
}