:root{--color-bg: #f5f6f8;--color-surface: #ffffff;--color-text: #1c1f23;--color-text-muted: #5b6470;--color-primary: #1f6feb;--color-primary-contrast: #ffffff;--color-danger: #b42318;--color-danger-bg: #fef3f2;--color-success: #197a45;--color-success-bg: #ecfdf3;--color-warning: #92400e;--color-warning-bg: #fffaeb;--color-border: #d8dde4;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--radius-sm: 6px;--radius-md: 10px;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.25rem}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{min-height:100dvh;background:var(--color-bg);color:var(--color-text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:var(--font-size-base);line-height:1.5;-webkit-text-size-adjust:100%}img,video{max-width:100%;height:auto;display:block}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3{margin:0 0 var(--space-3);line-height:1.25}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:44px;padding:var(--space-2) var(--space-4);border:1px solid transparent;border-radius:var(--radius-sm);background:var(--color-primary);color:var(--color-primary-contrast);font-weight:600;cursor:pointer}.button:disabled{opacity:.6;cursor:not-allowed}.button--secondary{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.button--danger{background:var(--color-danger);color:var(--color-primary-contrast)}.button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.text-input{width:100%;min-height:44px;padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);font-size:16px}