:root{--ig-blue: #0057b7;--ig-blue-dark: #00408a;--ig-yellow: #ffd700;--ig-ink: #1a1a1a;--ig-muted: #5b6470;--ig-bg: #f7f9fc;--ig-surface: #ffffff;--ig-border: #e2e8f0;--ig-danger: #c0392b;--ig-danger-bg: #fdecea;--ig-success: #1e7e34;--ig-success-bg: #e8f6ec;--ig-radius: 10px}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ig-ink);background:var(--ig-bg);line-height:1.5}a{color:var(--ig-blue)}.ig-container{max-width:920px;margin:0 auto;padding:1.5rem 1rem 3rem}.ig-card{background:var(--ig-surface);border:1px solid var(--ig-border);border-radius:var(--ig-radius);padding:1.5rem;box-shadow:0 1px 2px #1018280a}.ig-form{display:flex;flex-direction:column;gap:1rem;max-width:420px}.ig-field{display:flex;flex-direction:column;gap:.35rem}.ig-field label{font-weight:600;font-size:.9rem}.ig-field input{padding:.6rem .7rem;border:1px solid var(--ig-border);border-radius:8px;font-size:1rem}.ig-field input:focus{outline:2px solid var(--ig-blue);border-color:var(--ig-blue)}.ig-btn{display:inline-block;padding:.6rem 1.1rem;border:none;border-radius:8px;background:var(--ig-blue);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none}.ig-btn:hover:not(:disabled){background:var(--ig-blue-dark)}.ig-btn:disabled{opacity:.55;cursor:not-allowed}.ig-btn--ghost{background:transparent;color:var(--ig-blue);border:1px solid var(--ig-blue)}.ig-btn--ghost:hover:not(:disabled){background:#0057b714}.ig-error{color:var(--ig-danger);font-size:.85rem}.ig-alert{padding:.75rem 1rem;border-radius:8px;font-size:.92rem}.ig-alert--error{background:var(--ig-danger-bg);color:var(--ig-danger)}.ig-alert--success{background:var(--ig-success-bg);color:var(--ig-success)}.ig-muted{color:var(--ig-muted)}.ig-hint{font-size:.82rem;color:var(--ig-muted)}