/* Design tokens — alinhados ao app desktop (CARD/ACCENT/TEXT) */
:root {
    --bg:        #0F1117;
    --card:      #181B22;
    --card-2:    #1F232C;
    --border:    #2A2D36;
    --text-1:    #E8EAED;
    --text-2:    #B8BCC8;
    --text-3:    #6B7280;
    --accent:    #4F46E5;
    --accent-h:  #6366F1;
    --success:   #22C55E;
    --warn:      #F59E0B;
    --danger:    #EF4444;
    --radius:    10px;
}

* { box-sizing: border-box; }

body {
    margin: 0; padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text-1);
    line-height: 1.5;
    min-height: 100vh;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

.container.narrow { max-width: 480px; }

header.nav {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 24px; border-bottom: 1px solid var(--border);
}
header.nav .brand { font-weight: 700; font-size: 18px; color: var(--text-1); }
header.nav .links a { margin-left: 20px; color: var(--text-2); font-size: 14px; }
header.nav .links a:hover { color: var(--text-1); }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 16px;
}

h1 { font-size: 28px; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 0 0 12px; color: var(--text-1); }
p  { color: var(--text-2); margin: 0 0 12px; }

label {
    display: block; margin-bottom: 6px; font-size: 13px; color: var(--text-2);
    font-weight: 500;
}

input[type=email], input[type=password], input[type=text] {
    width: 100%;
    background: var(--card-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 11px 14px;
    color: var(--text-1);
    font-size: 14px;
    margin-bottom: 16px;
}
input:focus { outline: none; border-color: var(--accent); }

.btn {
    display: inline-block;
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px; font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
}
.btn:hover { background: var(--accent-h); color: white; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.block { width: 100%; }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text-1); }
.btn.ghost:hover { background: var(--card-2); }
.btn.danger { background: var(--danger); }

.alert {
    border-radius: 8px; padding: 12px 16px; margin: 12px 0; font-size: 14px;
}
.alert.error   { background: rgba(239, 68, 68, 0.1); color: #FCA5A5; border: 1px solid rgba(239, 68, 68, 0.3); }
.alert.success { background: rgba(34, 197, 94, 0.1); color: #86EFAC; border: 1px solid rgba(34, 197, 94, 0.3); }
.alert.info    { background: rgba(79, 70, 229, 0.1); color: #A5B4FC; border: 1px solid rgba(79, 70, 229, 0.3); }

.muted { color: var(--text-3); font-size: 13px; }

/* Pricing cards */
.pricing-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0;
}
@media (max-width: 720px) { .pricing-grid { grid-template-columns: 1fr; } }
.price-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    position: relative;
}
.price-card.featured { border-color: var(--accent); }
.price-card .tag {
    position: absolute; top: -10px; right: 20px;
    background: var(--accent); color: white;
    padding: 4px 10px; border-radius: 12px;
    font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
}
.price-card h3 { margin: 0 0 4px; font-size: 18px; }
.price-card .price { font-size: 36px; font-weight: 800; margin: 12px 0 4px; }
.price-card .price .per { font-size: 14px; color: var(--text-3); font-weight: 400; }
.price-card .save { color: var(--success); font-size: 13px; font-weight: 600; }
.price-card ul { padding: 0; list-style: none; margin: 16px 0; }
.price-card li {
    color: var(--text-2); font-size: 14px; padding: 6px 0;
    padding-left: 22px; position: relative;
}
.price-card li::before {
    content: "✓"; color: var(--success); position: absolute; left: 0;
}

footer {
    text-align: center; padding: 32px 24px; color: var(--text-3); font-size: 13px;
    border-top: 1px solid var(--border); margin-top: 48px;
}
footer a { color: var(--text-2); margin: 0 8px; }