:root {
  --font-family: "Open Sans", sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.6;

  --max-w: 1280px;
  --space-x: 1.5rem;
  --space-y: 1rem;
  --gap: 0.75rem;

  --radius-xl: 1rem;
  --radius-lg: 0.75rem;
  --radius-md: 0.5rem;
  --radius-sm: 0.25rem;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);

  --overlay: rgba(0,0,0,0.5);
  --anim-duration: 300ms;
  --anim-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --random-number: 2;

  --brand: #4a5568;
  --brand-contrast: #ffffff;
  --accent: #ed8936;
  --accent-contrast: #ffffff;

  --neutral-0: #ffffff;
  --neutral-100: #f7fafc;
  --neutral-300: #e2e8f0;
  --neutral-600: #718096;
  --neutral-800: #2d3748;
  --neutral-900: #1a202c;

  --bg-page: #ffffff;
  --fg-on-page: #2d3748;

  --bg-alt: #f8f9fa;
  --fg-on-alt: #4a5568;

  --surface-1: #ffffff;
  --surface-2: #f7fafc;
  --fg-on-surface: #2d3748;
  --border-on-surface: #e2e8f0;

  --surface-light: #f8fafc;
  --fg-on-surface-light: #4a5568;
  --border-on-surface-light: #e2e8f0;

  --bg-primary: #4a5568;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #2d3748;
  --ring: #cbd5e0;

  --bg-accent: #fffaf0;
  --fg-on-accent: #7b341e;
  --bg-accent-hover: #dd6b20;

  --link: #3182ce;
  --link-hover: #2c5282;

  --gradient-hero: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
  --gradient-accent: linear-gradient(90deg, #ed8936 0%, #dd6b20 100%);

  --btn-ghost-bg: transparent;
  --btn-ghost-bg-hover: rgba(255,255,255,0.06);
  --chip-bg: rgba(255,255,255,0.08);
  --input-placeholder: rgba(255,255,255,0.55);
}
body{margin:0;padding:0;font-family:var(--font-family);box-sizing: border-box;}
*{box-sizing:border-box;}

.wp-lang-switcher-v4 {
        position: fixed;
        right: clamp(16px, 2vw, 24px);
        bottom: clamp(16px, 2vw, 24px);
        z-index: 99999;

        --local-random: var(--random-number, 1);
    }

    .wp-lang-switcher-v4__container {
        display: flex;
        align-items: center;
        gap: 0;
        background: var(--surface-1);
        border: 1px solid var(--border-on-surface);
        border-radius: calc(var(--radius-xl) + var(--local-random) * 4px);
        padding: calc(5px + var(--local-random) * 1px);
        box-shadow: var(--shadow-lg);
        transition: all var(--anim-duration) var(--anim-ease);
    }

    .wp-lang-switcher-v4__container.expanded {
        gap: calc(4px + var(--local-random) * 2px);
    }

    .wp-lang-switcher-v4__toggle {
        width: calc(42px + var(--local-random) * 2px);
        height: calc(42px + var(--local-random) * 2px);
        background: var(--gradient-hero);
        color: var(--fg-on-primary);
        border-radius: calc(var(--radius-lg) - var(--local-random) * 2px);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all var(--anim-duration) var(--anim-ease);
        flex-shrink: 0;
        position: relative;
        overflow: hidden;
    }

    .wp-lang-switcher-v4__toggle::before {
        content: '';
        position: absolute;
        width: 200%;
        height: 200%;
        background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.3), transparent);
        animation: spin calc(2.8s + var(--local-random) * 0.4s) linear infinite;
    }

    @keyframes spin {
        from {
            transform: rotate(0deg);
        }
        to {
            transform: rotate(360deg);
        }
    }

    .wp-lang-switcher-v4__icon {
        font-size: calc(18px + var(--local-random) * 2px);
        position: relative;
        z-index: 1;
    }

    .wp-lang-switcher-v4__toggle:hover {
        transform: scale(calc(1.03 + var(--local-random) * 0.02));
    }

    .wp-lang-switcher-v4__list {
        display: flex;
        gap: calc(5px + var(--local-random) * 1px);
        max-width: 0;
        opacity: 0;
        transition: all var(--anim-duration) cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }

    .wp-lang-switcher-v4__container.expanded .wp-lang-switcher-v4__list {
        max-width: 300px;
        opacity: 1;
    }

    .wp-lang-switcher-v4__list button,
    .wp-lang-switcher-v4__list a {
        width: calc(38px + var(--local-random) * 2px);
        height: calc(38px + var(--local-random) * 2px);
        border: 2px solid var(--border-on-surface);
        background: var(--surface-2);
        color: var(--fg-on-surface);
        cursor: pointer;

        font-size: 12px;
        font-weight: 700;
        border-radius: calc(var(--radius-md) - var(--local-random) * 2px);
        transition: all var(--anim-duration) var(--anim-ease);
        position: relative;
        flex-shrink: 0;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .wp-lang-switcher-v4__list button::before,
    .wp-lang-switcher-v4__list a::before {
        content: '';
        position: absolute;
        inset: calc(-2px - var(--local-random) * 0.5px);
        border-radius: calc(var(--radius-md) - var(--local-random) * 2px);
        background: var(--gradient-accent);

        z-index: -1;
        transition: opacity var(--anim-duration) var(--anim-ease);
    }

    .wp-lang-switcher-v4__list button:hover,
    .wp-lang-switcher-v4__list a:hover {
        border-color: transparent;
        color: var(--fg-on-primary);
        transform: translateY(calc(-2px - var(--local-random) * 1px));
    }

    .wp-lang-switcher-v4__list button:hover::before,
    .wp-lang-switcher-v4__list a:hover::before {
        opacity: 1;
    }

    .wp-lang-switcher-v4__list button span,
    .wp-lang-switcher-v4__list a span {
        position: relative;
        z-index: 1;
    }