:root {
  --font-family: "IBM Plex Sans", sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  --max-w: 1200px;
  --space-x: 1.5rem;
  --space-y: 1rem;
  --gap: 1rem;

  --radius-xl: 1.5rem;
  --radius-lg: 1rem;
  --radius-md: 0.75rem;
  --radius-sm: 0.375rem;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px 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: 1;

  --brand: #0066cc;
  --brand-contrast: #ffffff;
  --accent: #00a8e8;
  --accent-contrast: #ffffff;

  --neutral-0: #ffffff;
  --neutral-100: #f8fafc;
  --neutral-300: #cbd5e1;
  --neutral-600: #64748b;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;

  --bg-page: #ffffff;
  --fg-on-page: #0f172a;

  --bg-alt: #f8fafc;
  --fg-on-alt: #1e293b;

  --surface-1: #ffffff;
  --surface-2: #f1f5f9;
  --fg-on-surface: #1e293b;
  --border-on-surface: #e2e8f0;

  --surface-light: #ffffff;
  --fg-on-surface-light: #0f172a;
  --border-on-surface-light: #e2e8f0;

  --bg-primary: #0066cc;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #0055aa;
  --ring: #0066cc;

  --bg-accent: #e6f7ff;
  --fg-on-accent: #003f66;
  --bg-accent-hover: #0099d6;

  --link: #0066cc;
  --link-hover: #004488;

  --gradient-hero: linear-gradient(135deg, #0066cc 0%, #00a8e8 100%);
  --gradient-accent: linear-gradient(90deg, #e6f7ff 0%, #f0f9ff 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-v2 {
        position: fixed;
        right: clamp(16px, 2vw, 24px);
        bottom: clamp(16px, 2vw, 24px);
        z-index: 99999;

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

    .wp-lang-switcher-v2__btn {
        background: var(--gradient-hero);
        color: var(--fg-on-primary);
        padding: calc(10px + var(--local-random) * 2px) calc(16px + var(--local-random) * 2px);
        border-radius: calc(var(--radius-lg) + var(--local-random) * 4px);
        cursor: pointer;
        display: flex;
        gap: 10px;
        align-items: center;
        box-shadow: var(--shadow-lg);
        transition: all var(--anim-duration) var(--anim-ease);
        border: 2px solid transparent;
        position: relative;
        overflow: hidden;
    }

    .wp-lang-switcher-v2__btn::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);

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

    .wp-lang-switcher-v2__btn:hover {
        transform: translateY(calc(-2px - var(--local-random) * 1px));
        box-shadow: 0 12px 32px rgba(59, 130, 246, calc(0.3 + var(--local-random) * 0.1));
    }

    .wp-lang-switcher-v2__btn:hover::before {
        opacity: 1;
    }

    .wp-lang-switcher-v2__icon {
        font-size: calc(18px + var(--local-random) * 2px);
        animation: rotate calc(18s + var(--local-random) * 4s) linear infinite;
    }

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

    .wp-lang-switcher-v2__label {
        font-weight: 600;
        font-size: 14px;
        letter-spacing: calc(0.3px + var(--local-random) * 0.2px);
    }

    .wp-lang-switcher-v2__panel {
        display: none;
        position: absolute;
        right: 0;
        bottom: calc(100% + 12px);
        background: var(--surface-1);
        border: 1px solid var(--border-on-surface);
        border-radius: calc(var(--radius-lg) - var(--local-random) * 2px);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        min-width: calc(190px + var(--local-random) * 10px);

        transform: translateY(10px);
        transition: all var(--anim-duration) var(--anim-ease);
    }

    .wp-lang-switcher-v2__panel.open {
        display: block;
        opacity: 1;
        transform: translateY(0);
    }

    .wp-lang-switcher-v2__panel button,
    .wp-lang-switcher-v2__panel a {
        width: 100%;
        text-align: left;
        padding: calc(10px + var(--local-random) * 2px) calc(14px + var(--local-random) * 2px);
        border: 0;
        background: var(--surface-1);
        color: var(--fg-on-surface);
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 12px;

        font-size: 15px;
        transition: all var(--anim-duration) var(--anim-ease);
        position: relative;
        text-decoration: none;
    }

    .wp-lang-switcher-v2__panel button::before,
    .wp-lang-switcher-v2__panel a::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: calc(2px + var(--local-random) * 1px);
        background: var(--bg-primary);
        transform: scaleY(0);
        transition: transform var(--anim-duration) var(--anim-ease);
    }

    .wp-lang-switcher-v2__panel button:hover,
    .wp-lang-switcher-v2__panel a:hover {
        background: var(--bg-alt);
        padding-left: calc(18px + var(--local-random) * 4px);
    }

    .wp-lang-switcher-v2__panel button:hover::before,
    .wp-lang-switcher-v2__panel a:hover::before {
        transform: scaleY(1);
    }

    .wp-lang-switcher-v2__flag {
        font-size: 20px;
    }