:root{--header-height-mobile:56px;--header-height-desktop:64px;--header-bg:rgba(13,13,13,.95);--header-bg-scrolled:rgba(13,13,13,.98);--header-fg:#fff;--header-border:rgba(255,255,255,.08);--header-border-scrolled:rgba(255,255,255,.06);--header-shadow:0 2px 8px rgba(0,0,0,.2);--header-shadow-scrolled:0 3px 10px rgba(0,0,0,.25);--header-blur:12px}
:root{--button-font-family:"Inter","Helvetica Neue",Arial,sans-serif;--button-font-weight:var(--font-weight-semibold);--button-letter-spacing:var(--tracking-wide);--button-padding-y-sm:.6rem;--button-padding-x-sm:1.2rem;--button-padding-y-md:.9rem;--button-padding-x-md:1.8rem;--button-padding-y-lg:1.2rem;--button-padding-x-lg:2.2rem;--button-radius:var(--radius-large);--button-border-width:var(--border-width-thin);--button-bg-primary:var(--accent-gradient);--button-bg-primary-hover:var(--accent-gradient-hover);--button-bg-secondary:var(--color-surface);--button-bg-secondary-hover:rgba(255,255,255,var(--opacity-surface));--button-bg-ghost:transparent;--button-bg-disabled:rgba(255,255,255,.1);--button-text-primary:var(--color-text);--button-text-secondary:var(--color-text);--button-text-ghost:var(--color-accent);--button-text-disabled:rgba(255,255,255,.4);--button-border-color:var(--color-border);--button-border-color-hover:var(--color-border-hover);--button-border-color-active:var(--color-border-active);--button-border-color-focus:var(--color-accent);--button-shadow:var(--shadow-md);--button-shadow-hover:var(--shadow-lg);--button-shadow-active:var(--shadow-sm);--button-shadow-accent:var(--shadow-accent);--button-shadow-accent-hover:var(--shadow-accent-hover);--button-blur:12px;--button-backdrop-saturation:1.2;--button-transform-hover:translateY(-2px);--button-transform-active:translateY(0);--button-transition:var(--transition-fast);--button-opacity-hover:var(--opacity-hover);--button-opacity-disabled:var(--opacity-disabled);--button-success-bg:var(--status-success);--button-error-bg:var(--status-error);--button-warning-bg:var(--status-warning);--button-glow-start:rgba(0,180,255,.35);--button-glow-end:rgba(0,180,255,.1);--button-glow-opacity:1}