:root {
  --bg: #0b0f1a;
  --bg-soft: #121829;
  --card: #161d31;
  --border: #252f4a;
  --text: #e8ecf6;
  --muted: #95a0bd;
  --primary: #5b8cff;
  --primary-2: #8b5cf6;
  --accent: #22d3ee;
  --danger: #f05d6c;
  --success: #34d399;
  --radius: 14px;
  --gradient: linear-gradient(135deg, var(--primary), var(--primary-2));
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); line-height: 1.6; min-height: 100vh; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

.container { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* ---------- navegação ---------- */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 15, 26, 0.8); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px; background: var(--gradient);
  display: grid; place-items: center; font-size: 1rem; color: #fff;
}
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--muted); font-weight: 500; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }

/* ---------- botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 600; cursor: pointer; transition: transform .15s, opacity .2s, background .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--gradient); color: #fff; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-danger { background: transparent; border-color: rgba(240, 93, 108, .4); color: var(--danger); }
.btn-danger:hover { background: rgba(240, 93, 108, .1); }
.btn-sm { padding: 6px 12px; font-size: .85rem; border-radius: 8px; }
.btn-lg { padding: 14px 28px; font-size: 1.05rem; }

/* ---------- landing ---------- */
.hero { padding: 110px 0 90px; text-align: center; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% 10% auto; height: 600px; z-index: -1;
  background: radial-gradient(closest-side, rgba(91, 140, 255, .25), transparent);
}
.badge {
  display: inline-block; padding: 6px 14px; border-radius: 999px; font-size: .85rem; font-weight: 600;
  background: rgba(91, 140, 255, .12); color: var(--primary); border: 1px solid rgba(91, 140, 255, .3);
  margin-bottom: 24px;
}
.hero h1 { font-size: clamp(2.2rem, 6vw, 4rem); line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 20px; }
.gradient-text { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); font-size: 1.15rem; max-width: 640px; margin: 0 auto 36px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); letter-spacing: -0.02em; margin-bottom: 10px; }
.section-title p { color: var(--muted); max-width: 560px; margin: 0 auto; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: rgba(91, 140, 255, .5); }
.card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card p { color: var(--muted); }
.icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; font-size: 1.4rem;
  background: rgba(91, 140, 255, .12); margin-bottom: 18px;
}

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; text-align: center; }
.stats strong { display: block; font-size: 2.4rem; letter-spacing: -0.02em; }
.stats span { color: var(--muted); }

.cta {
  background: var(--gradient); border-radius: 22px; padding: 56px 32px; text-align: center;
}
.cta h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); margin-bottom: 12px; }
.cta p { opacity: .9; margin-bottom: 28px; }
.cta .btn { background: #fff; color: #1d2340; }

.footer { border-top: 1px solid var(--border); padding: 32px 0; color: var(--muted); font-size: .9rem; margin-top: 40px; }
.footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ---------- projetos ---------- */
.page-header { padding: 70px 0 40px; }
.page-header h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.03em; margin-bottom: 10px; }
.page-header p { color: var(--muted); max-width: 620px; }

.project { display: flex; flex-direction: column; }
.project .tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 22px; }
.tag { font-size: .78rem; padding: 3px 10px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--border); color: var(--muted); }
.project .btn { margin-top: auto; align-self: flex-start; }
.status { font-size: .8rem; font-weight: 600; margin-bottom: 10px; }
.status.live { color: var(--success); }
.status.dev { color: #fbbf24; }

.project-featured {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center;
  background: var(--card); border: 1px solid rgba(91, 140, 255, .45); border-radius: 20px; padding: 40px; margin-bottom: 32px;
  box-shadow: 0 20px 60px -30px rgba(91, 140, 255, .6);
}
.project-featured h2 { font-size: 1.9rem; letter-spacing: -0.02em; margin-bottom: 12px; }
.project-featured p { color: var(--muted); margin-bottom: 24px; }
.mock {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 14px; padding: 18px; min-height: 220px;
}
.mock-bar { display: flex; gap: 6px; margin-bottom: 16px; }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.mock-line { height: 12px; border-radius: 6px; background: var(--border); margin-bottom: 10px; }
.mock-line.w60 { width: 60%; } .mock-line.w80 { width: 80%; } .mock-line.w40 { width: 40%; }
.mock-line.accent { background: var(--gradient); width: 35%; }
.mock-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.mock-row div { height: 60px; border-radius: 10px; background: var(--card); border: 1px solid var(--border); }

/* ---------- formulários ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-size: .88rem; font-weight: 500; color: var(--muted); }
.input, select.input {
  width: 100%; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-soft); color: var(--text); font: inherit; outline: none; transition: border-color .2s;
}
.input:focus { border-color: var(--primary); }
.alert { padding: 11px 14px; border-radius: 10px; font-size: .9rem; margin-bottom: 16px; display: none; }
.alert.show { display: block; }
.alert.error { background: rgba(240, 93, 108, .12); color: var(--danger); border: 1px solid rgba(240, 93, 108, .3); }
.alert.success { background: rgba(52, 211, 153, .12); color: var(--success); border: 1px solid rgba(52, 211, 153, .3); }

/* ---------- login ---------- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: min(420px, 100%); background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 36px; }
.auth-card .logo { justify-content: center; margin-bottom: 22px; }
.auth-card h1 { font-size: 1.5rem; text-align: center; margin-bottom: 6px; }
.auth-card .sub { text-align: center; color: var(--muted); margin-bottom: 26px; }
.auth-card .btn { width: 100%; }
.demo { margin-top: 22px; padding: 14px; border-radius: 10px; background: var(--bg-soft); font-size: .85rem; color: var(--muted); }
.demo code { color: var(--text); }
.back-link { display: block; text-align: center; margin-top: 18px; color: var(--muted); font-size: .9rem; }
.back-link:hover { color: var(--text); }

/* ---------- área logada ---------- */
.app-main { padding: 40px 0 60px; }
.app-head { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 16px; margin-bottom: 28px; }
.app-head h1 { font-size: 1.9rem; letter-spacing: -0.02em; }
.app-head p { color: var(--muted); }
.user-chip { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .9rem; }
.avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--gradient); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: .9rem;
}
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 28px; }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.kpi span { color: var(--muted); font-size: .85rem; }
.kpi strong { display: block; font-size: 1.9rem; letter-spacing: -0.02em; }
.panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; }
.panel h2 { font-size: 1.15rem; margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; align-items: end; }
.form-row .field { margin-bottom: 0; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; }
td .actions { display: flex; gap: 6px; }
.pill { font-size: .78rem; padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.pill.admin { background: rgba(139, 92, 246, .15); color: #b79cff; }
.pill.user { background: rgba(34, 211, 238, .12); color: var(--accent); }
.pill.on { background: rgba(52, 211, 153, .12); color: var(--success); }
.pill.off { background: rgba(240, 93, 108, .12); color: var(--danger); }
.muted { color: var(--muted); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.info-list { list-style: none; }
.info-list li { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); gap: 12px; }
.info-list li span:first-child { color: var(--muted); }

/* ---------- responsivo ---------- */
@media (max-width: 820px) {
  .project-featured, .two-col { grid-template-columns: 1fr; }
  .project-featured { padding: 28px; }
}
@media (max-width: 600px) {
  .nav-links a:not(.btn) { display: none; }
  .hero { padding: 80px 0 60px; }
  .auth-card { padding: 28px 22px; }
}