:root {
  --bg: #0b0f16;
  --bg-elevated: #121826;
  --bg-card: #161d2e;
  --text-primary: #e9edf5;
  --text-secondary: #8b93a7;
  --accent: #5ee6c4;
  --accent-2: #7c8cff;
  --border-subtle: #24304a;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Poppins', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.65;
}

h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; letter-spacing: -0.02em; }

a { text-decoration: none; color: var(--accent); }
a:hover { color: var(--accent-2); }

::selection { background: var(--accent); color: #0b0f16; }

.brand-accent { color: var(--accent); }

/* ---------- Navbar ---------- */
.site-navbar {
  background: rgba(11, 15, 22, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  padding-top: .75rem;
  padding-bottom: .75rem;
}
.site-navbar .nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: .95rem;
}
.site-navbar .nav-link:hover,
.site-navbar .nav-link.active { color: var(--text-primary); }

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #061019;
  font-weight: 600;
  border: none;
  border-radius: 999px;
  padding: .5rem 1.3rem;
}
.btn-accent:hover { color: #061019; filter: brightness(1.08); }

.btn-outline-accent {
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-radius: 999px;
  padding: .5rem 1.3rem;
  font-weight: 600;
}
.btn-outline-accent:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 7rem 0 5rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 20%, rgba(94,230,196,.12), transparent 40%),
    radial-gradient(circle at 85% 10%, rgba(124,140,255,.14), transparent 45%);
}
.hero .eyebrow {
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: .12em;
  font-size: .85rem;
  text-transform: uppercase;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.hero .lead { color: var(--text-secondary); font-size: 1.15rem; max-width: 560px; }
.hero-avatar {
  width: 220px; height: 220px; border-radius: 28px;
  object-fit: cover;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 20px 60px rgba(94,230,196,.15);
}

/* ---------- Sections & Cards ---------- */
section { padding: 4.5rem 0; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: .5rem; }
.section-subtitle { color: var(--text-secondary); margin-bottom: 2.5rem; max-width: 620px; }

.card-surface {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card-surface:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(0,0,0,.35);
}

.project-card img { border-radius: var(--radius) var(--radius) 0 0; height: 190px; object-fit: cover; width: 100%; }
.project-card .card-body { padding: 1.4rem; }
.tech-pill {
  display: inline-block; font-family: var(--font-mono); font-size: .72rem;
  background: rgba(94,230,196,.1); color: var(--accent);
  border: 1px solid rgba(94,230,196,.25);
  border-radius: 999px; padding: .15rem .65rem; margin: 0 .3rem .3rem 0;
}

.note-card { padding: 1.4rem; }
.note-card .badge-lock { font-size: .7rem; }

/* ---------- Forms ---------- */
.auth-wrapper {
  min-height: calc(100vh - 76px);
  display: flex; align-items: center; justify-content: center;
  padding: 3rem 1rem;
}
.auth-card {
  max-width: 460px; width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 2.4rem;
}
.form-control, .form-select {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-radius: 10px;
  padding: .65rem .9rem;
}
.form-control:focus, .form-select:focus {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--accent);
  box-shadow: 0 0 0 .2rem rgba(94,230,196,.15);
}
.form-label { color: var(--text-secondary); font-size: .9rem; font-weight: 500; }
::placeholder { color: #55607a !important; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
}
.footer-links li { margin-bottom: .5rem; }
.footer-links a { color: var(--text-secondary); }
.footer-links a:hover { color: var(--accent); }

/* ---------- Admin ---------- */
.admin-sidebar {
  background: var(--bg-elevated);
  border-right: 1px solid var(--border-subtle);
  min-height: 100vh;
}
.admin-sidebar .nav-link {
  color: var(--text-secondary); border-radius: 10px; padding: .6rem 1rem; font-weight: 500;
}
.admin-sidebar .nav-link.active, .admin-sidebar .nav-link:hover {
  background: rgba(94,230,196,.1); color: var(--accent);
}
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius); padding: 1.5rem;
}
.table { color: var(--text-primary); }
.table > :not(caption) > * > * { background: transparent; color: var(--text-primary); border-color: var(--border-subtle); }

.badge-status-active { background: rgba(94,230,196,.15); color: var(--accent); }
.badge-status-banned { background: rgba(255,99,99,.15); color: #ff6363; }