:root {
  --font-family: "Fira 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: 0.5rem;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);

  --overlay: rgba(255, 255, 255, 0.85);
  --anim-duration: 300ms;
  --anim-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --random-number: 2;

  --brand: #00A3E0;
  --brand-contrast: #FFFFFF;
  --accent: #FF6B35;
  --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: #1E293B;

  --bg-alt: #F8FAFC;
  --fg-on-alt: #1E293B;

  --surface-1: #FFFFFF;
  --surface-2: #F8FAFC;
  --fg-on-surface: #1E293B;
  --border-on-surface: #E2E8F0;

  --surface-light: rgba(255, 255, 255, 0.95);
  --fg-on-surface-light: #1E293B;
  --border-on-surface-light: rgba(226, 232, 240, 0.8);

  --bg-primary: #00A3E0;
  --fg-on-primary: #FFFFFF;
  --bg-primary-hover: #0087C1;
  --ring: #00A3E0;

  --bg-accent: #FFF0EB;
  --fg-on-accent: #B33A1F;
  --bg-accent-hover: #FF8B5E;

  --link: #00A3E0;
  --link-hover: #0087C1;

  --gradient-hero: linear-gradient(135deg, #00A3E0 0%, #4ECDC4 100%);
  --gradient-accent: linear-gradient(135deg, #FF6B35 0%, #FFA726 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-v3 {
        position: fixed;
        right: clamp(16px, 2vw, 24px);
        bottom: clamp(16px, 2vw, 24px);
        z-index: 99999;

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

    .wp-lang-switcher-v3__btn {
        width: calc(54px + var(--local-random) * 4px);
        height: calc(54px + var(--local-random) * 4px);
        background: var(--surface-1);
        color: var(--bg-primary);
        border: calc(2px + var(--local-random) * 0.5px) solid var(--bg-primary);
        border-radius: 50%;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow-md);
        transition: all var(--anim-duration) var(--anim-ease);
        position: relative;
    }

    .wp-lang-switcher-v3__btn::before {
        content: '';
        position: absolute;
        inset: calc(-2px - var(--local-random) * 0.5px);
        border-radius: 50%;
        background: var(--gradient-hero);

        z-index: -1;
        transition: opacity var(--anim-duration) var(--anim-ease);
        animation: pulse calc(1.8s + var(--local-random) * 0.4s) ease-in-out infinite;
    }

    @keyframes pulse {
        0%, 100% { transform: scale(1);  }
        50% { transform: scale(1.1); opacity: 0.3; }
    }

    .wp-lang-switcher-v3__btn:hover {
        background: var(--bg-primary);
        color: var(--fg-on-primary);
        transform: scale(calc(1.03 + var(--local-random) * 0.02));
        box-shadow: var(--shadow-lg);
    }

    .wp-lang-switcher-v3__btn:hover::before {
        opacity: 1;
    }

    .wp-lang-switcher-v3__text {
        font-weight: 700;
        font-size: calc(13px + var(--local-random) * 1px);
        letter-spacing: calc(0.8px + var(--local-random) * 0.2px);
    }

    .wp-lang-switcher-v3__dropdown {
        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-xl) - var(--local-random) * 4px);
        box-shadow: var(--shadow-lg);
        padding: calc(6px + var(--local-random) * 2px);
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: calc(6px + var(--local-random) * 2px);

        transform: scale(0.8);
        transform-origin: bottom right;
        transition: all var(--anim-duration) var(--anim-ease);
    }

    .wp-lang-switcher-v3__dropdown.open {
        display: grid;
        opacity: 1;
        transform: scale(1);
    }

    .wp-lang-switcher-v3__dropdown button,
    .wp-lang-switcher-v3__dropdown a {
        width: calc(46px + var(--local-random) * 2px);
        height: calc(46px + var(--local-random) * 2px);
        border: 2px solid var(--border-on-surface);
        background: var(--surface-1);
        color: var(--fg-on-surface);
        cursor: pointer;

        font-size: 13px;
        font-weight: 600;
        border-radius: 50%;
        transition: all var(--anim-duration) var(--anim-ease);
        position: relative;
        overflow: hidden;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .wp-lang-switcher-v3__dropdown button::after {
        content: attr(data-lang);
        position: absolute;
        inset: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--fg-on-primary);
        text-transform: uppercase;

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

    .wp-lang-switcher-v3__dropdown button:hover {
        border-color: var(--bg-primary);
        transform: scale(calc(1.08 + var(--local-random) * 0.02));
    }

    .wp-lang-switcher-v3__dropdown button:hover::before,
    .wp-lang-switcher-v3__dropdown a:hover::before {
        opacity: 1;
    }

    .wp-lang-switcher-v3__dropdown button:hover::after,
    .wp-lang-switcher-v3__dropdown a:hover::after {
        opacity: 1;
    }