:root {
    --bg-primary: #09090b;
    --bg-secondary: #18181b;
    --accent: #10b981;
    --accent-hover: #059669;
    --text-main: #f4f4f5;
    --text-muted: #a1a1aa;
    --error: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
body { background-color: var(--bg-primary); color: var(--text-main); line-height: 1.6; overflow-x: hidden; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; width: 100%; }

/* Header */
header { padding: 20px 0; border-bottom: 1px solid #27272a; background: rgba(9, 9, 9, 0.8); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 100; }
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 800; font-size: 1.3rem; letter-spacing: -0.05em; text-decoration: none; color: var(--text-main); }
.logo span { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links .back-link { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; transition: 0.2s; font-weight: 500; }
.nav-links .back-link:hover { color: #fff; }

.cta-mini { background: var(--accent); color: #fff; padding: 8px 16px; border-radius: 6px; text-decoration: none; font-weight: 600; font-size: 0.9rem; transition: background-color 0.2s ease-in-out, transform 0.1s ease; }
.cta-mini:hover { background: var(--accent-hover); }
.cta-mini:active { transform: scale(0.98); }

/* Form elements */
.form-group { margin-bottom: 15px; }
label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 5px; font-weight: 500; }
input, select { width: 100%; padding: 12px; background: #09090b; border: 1px solid #3f3f46; border-radius: 6px; color: #fff; font-size: 1rem; transition: border-color 0.2s ease, box-shadow 0.2s ease; }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2); outline: none; }

/* Buttons */
.btn-submit { width: 100%; background: var(--accent); color: #fff; padding: 14px; border: none; border-radius: 6px; font-weight: 700; font-size: 1rem; cursor: pointer; transition: background-color 0.2s ease-in-out, transform 0.1s ease; margin-top: 10px; }
.btn-submit:hover { background: var(--accent-hover); }
.btn-submit:active { transform: scale(0.98); }

/* Badge */
.badge { background: rgba(16, 185, 129, 0.1); color: var(--accent); padding: 4px 8px; font-size: 0.75rem; font-weight: 700; border-radius: 4px; display: inline-block; margin-bottom: 10px; }

/* Footer */
footer { padding: 40px 0; border-top: 1px solid #27272a; background: var(--bg-primary); font-size: 0.85rem; color: var(--text-muted); text-align: center; }
.footer-links { margin-top: 10px; }
.footer-links a { color: var(--text-muted); text-decoration: none; margin: 0 10px; }
.footer-links a:hover { color: #fff; }