:root{--bg-primary: #0c1220;--bg-surface: #141e30;--bg-card: #1a2740;--bg-input: #0f1926;--border: #2a3a52;--border-focus: #00b4d8;--accent: #00b4d8;--accent-hover: #0096c7;--accent-glow: rgba(0, 180, 216, .25);--accent-soft: rgba(0, 180, 216, .1);--success: #2ecc71;--danger: #e74c3c;--text-primary: #e8edf5;--text-secondary: #8899b0;--text-muted: #556680;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--shadow: 0 4px 20px rgba(0, 0, 0, .4)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Zen Kaku Gothic New,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}#app{max-width:480px;margin:0 auto;padding:20px 16px 40px}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:16px;color:var(--text-secondary)}.loader{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.header{text-align:center;margin-bottom:28px;animation:fadeUp .4s ease-out}.header h1{font-size:22px;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,var(--accent),#48cae4);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.header p{font-size:13px;color:var(--text-secondary);margin-top:4px}.mode-toggle{display:flex;background:var(--bg-surface);border-radius:var(--radius-md);padding:4px;margin-bottom:24px;border:1px solid var(--border);animation:fadeUp .5s ease-out}.mode-btn{flex:1;padding:10px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1)}.mode-btn.active{background:var(--accent);color:#fff;box-shadow:0 2px 12px var(--accent-glow)}.form-section{animation:fadeUp .6s ease-out}.field{margin-bottom:20px}.field label{display:block;font-size:12px;font-weight:500;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.field select,.field input{width:100%;padding:12px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:15px;transition:border-color .2s,box-shadow .2s;-moz-appearance:none;appearance:none;-webkit-appearance:none}.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238899b0' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}.field select:focus,.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.field input::placeholder{color:var(--text-muted)}.field-row{display:flex;gap:12px}.field-row .field{flex:1}.field-hint{font-size:11px;color:var(--text-muted);margin-top:4px}.submit-btn{width:100%;padding:14px;background:linear-gradient(135deg,var(--accent),#0096c7);border:none;border-radius:var(--radius-md);color:#fff;font-family:inherit;font-size:16px;font-weight:700;cursor:pointer;transition:transform .15s,box-shadow .2s;box-shadow:0 4px 16px var(--accent-glow);margin-top:8px}.submit-btn:hover{transform:translateY(-1px);box-shadow:0 6px 24px var(--accent-glow)}.submit-btn:active{transform:translateY(0)}.submit-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.success-screen{text-align:center;padding:40px 20px;animation:fadeUp .4s ease-out}.success-icon{width:64px;height:64px;background:var(--success);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:32px}.success-screen h2{font-size:20px;margin-bottom:8px}.success-screen p{color:var(--text-secondary);font-size:14px;line-height:1.6}.close-btn{margin-top:24px;padding:12px 32px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:14px;cursor:pointer;transition:background .2s}.close-btn:hover{background:var(--bg-surface)}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.watchlist-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;margin-bottom:12px;animation:fadeUp .4s ease-out}.watchlist-item .route{font-size:16px;font-weight:700}.watchlist-item .details{color:var(--text-secondary);font-size:13px;margin-top:4px}.watchlist-item .delete-btn{margin-top:10px;padding:6px 14px;background:transparent;border:1px solid var(--danger);border-radius:var(--radius-sm);color:var(--danger);font-family:inherit;font-size:12px;cursor:pointer;transition:all .2s}.watchlist-item .delete-btn:hover{background:var(--danger);color:#fff}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary)}