/* ===== Design system minimal — SaaS SEO Panel ===== */
:root {
  --color-bg: #0b0f19;
  --color-bg-alt: #111726;
  --color-surface: #161d2e;
  --color-surface-alt: #1c2438;
  --color-border: #262f45;
  --color-text: #e7eaf2;
  --color-text-muted: #9aa3b8;
  --color-primary: #5b8cff;
  --color-primary-hover: #4574e6;
  --color-success: #33d17a;
  --color-warning: #f5b942;
  --color-critical: #ef5b5b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(0,0,0,0.25);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; color: var(--color-text-muted); }
img { max-width: 100%; display: block; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--tight { padding: 48px 0; }

/* Navbar */
.navbar { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.navbar__brand { font-weight: 800; font-size: 1.25rem; color: var(--color-text); }
.navbar__brand span { color: var(--color-primary); }
.navbar__links { display: flex; gap: 28px; align-items: center; }
.navbar__links a { color: var(--color-text-muted); font-weight: 500; }
.navbar__links a:hover { color: var(--color-text); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: var(--radius-sm); font-weight: 600; border: 1px solid transparent; cursor: pointer; font-size: .95rem; transition: all .15s ease; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); color: #fff; }
.btn-outline { border-color: var(--color-border); color: var(--color-text); background: transparent; }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-danger { background: var(--color-critical); color: #fff; }
.btn-sm { padding: 8px 14px; font-size: .85rem; }
.btn-block { width: 100%; }

/* Hero */
.hero { text-align: center; padding: 60px 0 40px; }
.hero h1 { font-size: 2.75rem; max-width: 760px; margin: 0 auto .3em; }
.hero p.lead { font-size: 1.15rem; max-width: 620px; margin: 0 auto 2em; }
.hero__cta { display: flex; gap: 14px; justify-content: center; }
.hero__mockup { margin-top: 56px; border-radius: var(--radius); border: 1px solid var(--color-border); box-shadow: var(--shadow); overflow: hidden; background: var(--color-surface); }

/* Feature grid */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; } }

.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 28px; }
.card h3 { font-size: 1.1rem; margin-bottom: .4em; }
.card .icon { font-size: 1.6rem; margin-bottom: 14px; display: block; }

/* Pricing */
.pricing-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 32px 26px; text-align: center; display: flex; flex-direction: column; }
.pricing-card--highlight { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary); }
.pricing-card__price { font-size: 2.1rem; font-weight: 800; margin: 12px 0; }
.pricing-card__price small { font-size: .95rem; font-weight: 500; color: var(--color-text-muted); }
.pricing-card ul { list-style: none; padding: 0; margin: 18px 0 26px; text-align: left; color: var(--color-text-muted); }
.pricing-card li { padding: 6px 0; }
.pricing-card li::before { content: "✓ "; color: var(--color-success); font-weight: 700; }

/* Forms */
.form-box { max-width: 440px; margin: 0 auto; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 36px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-size: .88rem; font-weight: 600; color: var(--color-text-muted); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 11px 14px; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-bg-alt); color: var(--color-text); font-size: .95rem; font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--color-primary); }
.form-error { background: rgba(239,91,91,.12); border: 1px solid var(--color-critical); color: #ff9a9a; padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: .9rem; }
.form-success { background: rgba(51,209,122,.12); border: 1px solid var(--color-success); color: #8ff0bb; padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: .9rem; }

/* Footer */
.footer { border-top: 1px solid var(--color-border); padding: 40px 0; color: var(--color-text-muted); font-size: .85rem; text-align: center; }

/* ===== Panel (back-office) ===== */
.panel-shell { display: flex; min-height: 100vh; }
.panel-sidebar { width: 240px; flex-shrink: 0; background: var(--color-bg-alt); border-right: 1px solid var(--color-border); padding: 24px 16px; }
.panel-sidebar__brand { font-weight: 800; padding: 0 8px 24px; }
.panel-nav a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); color: var(--color-text-muted); font-weight: 500; margin-bottom: 2px; }
.panel-nav a:hover, .panel-nav a.active { background: var(--color-surface-alt); color: var(--color-text); }
.panel-main { flex: 1; padding: 32px 40px; max-width: 1200px; }
.panel-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge-success { background: rgba(51,209,122,.15); color: var(--color-success); }
.badge-warning { background: rgba(245,185,66,.15); color: var(--color-warning); }
.badge-critical { background: rgba(239,91,91,.15); color: var(--color-critical); }
.badge-muted { background: var(--color-surface-alt); color: var(--color-text-muted); }

.score-ring { width: 140px; height: 140px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-direction: column; margin: 0 auto; border: 10px solid var(--color-surface-alt); }
.score-ring strong { font-size: 2.1rem; }
.score-ring span { font-size: .75rem; color: var(--color-text-muted); }

table { width: 100%; border-collapse: collapse; }
table th, table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--color-border); font-size: .9rem; }
table th { color: var(--color-text-muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }

.panel-empty { text-align: center; padding: 60px 20px; color: var(--color-text-muted); }
.stat-row { display: flex; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }
.stat-box { flex: 1; min-width: 160px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 20px; }
.stat-box strong { display: block; font-size: 1.6rem; }
.stat-box span { font-size: .8rem; color: var(--color-text-muted); }