@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap";:root{--bg-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--text-primary: #ffffff;--text-secondary: #a0a0a0;--accent-color: #e94560;--input-bg: rgba(0, 0, 0, .2);--input-focus: rgba(233, 69, 96, .5);--shadow-lg: 0 8px 32px 0 rgba(0, 0, 0, .37)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background:var(--bg-gradient);color:var(--text-primary);min-height:100vh;display:flex;justify-content:center;align-items:center;overflow-x:hidden;flex-direction:column}.app-container{width:100%;padding:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;perspective:1000px}.top-controls{display:flex;gap:20px;margin-bottom:20px;z-index:10;flex-wrap:wrap;justify-content:center}.control-group{display:flex;flex-direction:column;align-items:center;gap:5px}.control-label{font-size:.8rem;color:var(--text-secondary);font-weight:600}.language-switcher,.separator-switcher{width:100%}.language-switcher select,.separator-switcher select{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--glass-border);color:var(--text-primary);padding:8px 16px;border-radius:20px;font-family:Inter,sans-serif;font-size:.9rem;cursor:pointer;outline:none;transition:all .3s ease}.language-switcher select:hover,.separator-switcher select:hover{background:#ffffff1a;border-color:var(--accent-color)}.language-switcher select option,.separator-switcher select option{background:#1a1a2e;color:var(--text-primary)}.calculator-card{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;padding:40px;width:100%;max-width:480px;box-shadow:var(--shadow-lg);transform-style:preserve-3d}h1{font-size:2.5rem;font-weight:800;margin-bottom:10px;background:linear-gradient(to right,#fff,#a0a0a0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-align:center}.subtitle{color:var(--text-secondary);text-align:center;margin-bottom:40px;font-size:.9rem}.input-group{margin-bottom:24px;position:relative}label{display:block;margin-bottom:8px;font-weight:600;font-size:.9rem;color:var(--text-secondary);transition:color .3s ease}.input-group:focus-within label{color:var(--accent-color)}input{width:100%;padding:16px;background:var(--input-bg);border:2px solid transparent;border-radius:12px;color:var(--text-primary);font-size:1.1rem;font-family:Inter,sans-serif;transition:all .3s ease;outline:none}input:focus{border-color:var(--accent-color);box-shadow:0 0 15px var(--input-focus);transform:scale(1.02)}input.calculated{border-color:#ffffff4d;background:#ffffff0d;font-style:italic}@media(max-width:480px){.calculator-card{padding:24px}h1{font-size:2rem}}.clear-button{width:100%;padding:16px;margin-top:10px;background:#e9456033;border:1px solid var(--accent-color);border-radius:12px;color:var(--accent-color);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:Inter,sans-serif}.clear-button:hover{background:var(--accent-color);color:#fff;transform:translateY(-2px);box-shadow:0 5px 15px #e9456066}.clear-button:active{transform:translateY(0)}