*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#f5f7fa;color:#1a1a2e;line-height:1.6}a{text-decoration:none;color:inherit}:root{--portal-primary: #1e40af;--portal-primary-light: #3b82f6;--portal-primary-dark: #1e3a8a;--portal-secondary: #64748b;--portal-success: #22c55e;--portal-warning: #f59e0b;--portal-danger: #ef4444;--portal-bg: #f5f7fa;--portal-surface: #ffffff;--portal-border: #e2e8f0;--portal-text: #1a1a2e;--portal-text-muted: #64748b;--portal-sidebar-width: 260px}.portal-card{background:var(--portal-surface);border-radius:12px;border:1px solid var(--portal-border);padding:24px}.portal-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:8px;font-weight:500;font-size:14px;cursor:pointer;border:none;transition:all .2s}.portal-btn-primary{background:var(--portal-primary);color:#fff}.portal-btn-primary:hover{background:var(--portal-primary-dark)}.portal-btn-secondary{background:var(--portal-bg);color:var(--portal-text);border:1px solid var(--portal-border)}.portal-btn-secondary:hover{background:var(--portal-border)}.portal-input{width:100%;padding:10px 14px;border:1px solid var(--portal-border);border-radius:8px;font-size:14px;font-family:inherit;transition:border-color .2s}.portal-input:focus{outline:none;border-color:var(--portal-primary-light);box-shadow:0 0 0 3px #3b82f61a}