:root{--bg-dark: #0f172a;--bg-card: rgba(30, 41, 59, .7);--bg-input: rgba(15, 23, 42, .6);--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-primary: #3b82f6;--accent-hover: #2563eb;--accent-success: #10b981;--accent-danger: #ef4444;--border-color: rgba(255, 255, 255, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-dark);background-image:radial-gradient(circle at 15% 50%,rgba(59,130,246,.15) 0%,transparent 50%),radial-gradient(circle at 85% 30%,rgba(139,92,246,.15) 0%,transparent 50%);background-attachment:fixed;color:var(--text-primary);min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:40px 20px}.app-container{width:100%;max-width:800px;display:flex;flex-direction:column;gap:30px}.header{text-align:center;margin-bottom:20px}.header h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,#60a5fa,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:10px}.header p{color:var(--text-secondary);font-size:1.1rem}.glass-card{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:16px;padding:30px;box-shadow:0 10px 30px -10px #00000080;transition:transform .2s ease,box-shadow .2s ease}.glass-card:hover{border-color:#ffffff26;box-shadow:0 15px 35px -10px #0009}.card-title{font-size:1.5rem;font-weight:600;margin-bottom:20px;display:flex;align-items:center;gap:10px;color:#e2e8f0}.card-title svg{width:24px;height:24px;color:var(--accent-primary)}.settings-grid{display:grid;grid-template-columns:1fr;gap:20px}@media(min-width:640px){.settings-grid.two-cols{grid-template-columns:1fr 1fr}}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:.9rem;font-weight:500;color:var(--text-secondary)}.form-input{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);padding:12px 16px;border-radius:8px;font-size:1rem;outline:none;transition:all .2s ease}.form-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 2px #3b82f633}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:8px;font-weight:600;font-size:1rem;cursor:pointer;border:none;transition:all .2s ease}.btn-primary{background:var(--accent-primary);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 4px 12px #3b82f666}.btn-secondary{background:#ffffff1a;color:#fff}.btn-secondary:hover{background:#ffffff26}.btn-danger{background:transparent;color:var(--accent-danger);padding:8px}.btn-danger:hover{background:#ef44441a}.btn-outline{background:transparent;border:1px solid var(--accent-primary);color:var(--accent-primary)}.btn-outline:hover{background:#3b82f61a}.stock-item{display:flex;justify-content:space-between;align-items:center;padding:16px;background:#ffffff08;border:1px solid var(--border-color);border-radius:8px;margin-bottom:12px;transition:all .2s ease}.stock-item:hover{background:#ffffff0d;border-color:#fff3;transform:translate(4px)}.stock-info{display:flex;flex-direction:column}.stock-symbol{font-size:1.2rem;font-weight:700;color:#fff}.stock-name{font-size:.9rem;color:var(--text-secondary)}.add-stock-bar{display:flex;gap:12px;margin-bottom:24px}.add-stock-bar .form-input{flex:1}.status-msg{padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:.95rem;animation:slideIn .3s ease-out forwards}.status-success{background:#10b9811a;border:1px solid var(--accent-success);color:#34d399}.status-error{background:#ef44441a;border:1px solid var(--accent-danger);color:#fca5a5}.status-info{background:#3b82f61a;border:1px solid var(--accent-primary);color:#93c5fd}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.loading-spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}