.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem;background:linear-gradient(135deg,#667eea,#764ba2)}.auth-card{width:100%;max-width:400px}.auth-header{text-align:center;margin-bottom:2rem}.auth-header h1{font-size:2rem;margin-bottom:.5rem}.auth-header p{color:var(--text-secondary)}.auth-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:500;font-size:.875rem;color:var(--text)}.error-message{background:#fee;color:var(--danger);padding:.75rem 1rem;border-radius:8px;font-size:.875rem;display:flex;align-items:center;gap:.5rem}.btn-block{width:100%}.auth-switch{text-align:center;color:var(--text-secondary);font-size:.875rem}.link-button{background:none;color:var(--primary);font-weight:500;padding:0}.link-button:hover:not(:disabled){text-decoration:underline}@media(max-width:480px){.auth-header h1{font-size:1.75rem}}.dashboard{min-height:100vh;background-color:var(--background)}.dashboard-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1.5rem 0;box-shadow:var(--shadow-lg)}.header-content{display:flex;justify-content:space-between;align-items:center;gap:1rem}.header-title h1{font-size:1.5rem;margin-bottom:.25rem}.header-title p{font-size:.875rem;opacity:.9}.dashboard-main{padding:2rem 1rem;display:flex;flex-direction:column;gap:1.5rem}.time-range-selector{overflow-x:auto;-webkit-overflow-scrolling:touch}.time-range-buttons{display:flex;gap:.5rem;padding:.25rem;background:var(--background);border-radius:10px;width:fit-content;min-width:100%}.time-range-btn{flex:1;padding:.75rem 1.5rem;background:transparent;color:var(--text-secondary);border-radius:8px;font-weight:500;transition:all .2s ease;white-space:nowrap;min-width:80px}.time-range-btn.active{background:#fff;color:var(--primary);box-shadow:var(--shadow)}.time-range-btn:hover:not(.active){background:#ffffff80}.log-section{display:flex;flex-direction:column;align-items:center;gap:1rem;margin:1rem 0}.btn-log{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:1.25rem 2.5rem;font-size:1.25rem;font-weight:600;border-radius:16px;box-shadow:var(--shadow-lg);transition:all .2s ease}.btn-log:hover:not(:disabled){transform:scale(1.05)}.btn-log:active{transform:scale(.95)}.btn-log-icon{font-size:2rem}.success-toast{background:var(--success);color:#fff;padding:.75rem 1.5rem;border-radius:8px;box-shadow:var(--shadow-lg);font-weight:500}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.stat-card{text-align:center}.stat-value{font-size:2.5rem;font-weight:700;color:var(--primary);margin-bottom:.5rem}.stat-label{font-size:.875rem;color:var(--text-secondary);margin-bottom:.5rem}.stat-change{font-size:.875rem;font-weight:500}.stat-change.positive{color:var(--success)}.stat-change.negative{color:var(--danger)}.insights h3{margin-bottom:1rem}.insights-list{list-style:none;display:flex;flex-direction:column;gap:.75rem}.insight-item{padding:.75rem 1rem;background:var(--background);border-radius:8px;font-size:.95rem;line-height:1.6}.chart-section h3{margin-bottom:1.5rem}.chart-container{position:relative;height:300px;width:100%}.chart-container-small{position:relative;height:250px;width:100%}.logs-section h3{margin-bottom:1rem}.logs-list{display:flex;flex-direction:column;gap:.5rem}.log-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background:var(--background);border-radius:8px;transition:all .2s ease}.log-item:hover{background:#e2e8f0}.log-info{display:flex;align-items:center;gap:.75rem}.log-icon{font-size:1.25rem}.log-date{font-size:.95rem;color:var(--text)}.btn-delete{background:transparent;color:var(--text-secondary);padding:.25rem .5rem;border-radius:4px;font-size:1.25rem;transition:all .2s ease}.btn-delete:hover{background:var(--danger);color:#fff}.empty-state{text-align:center;color:var(--text-secondary);padding:2rem}.loading{text-align:center;padding:3rem;font-size:1.125rem;color:var(--text-secondary)}.price-calculator h3{margin-bottom:1rem}.price-controls{display:flex;flex-direction:column;gap:1rem}.price-input-group{display:flex;flex-direction:column;gap:.5rem}.price-input-group label{font-size:.875rem;font-weight:500;color:var(--text)}.price-input{padding:.75rem;border:1px solid #d1d5db;border-radius:8px;font-size:1rem;width:100%;max-width:200px}.price-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.price-toggle{display:flex;align-items:center}.toggle-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.95rem}.toggle-checkbox{width:20px;height:20px;cursor:pointer}.api-key-section h3{margin-bottom:1rem}.api-key-display{display:flex;flex-direction:column;gap:1rem}.api-key-info{display:flex;flex-direction:column}.api-key-value{font-family:monospace;font-size:.9rem;background:var(--background);padding:.75rem;border-radius:8px;word-break:break-all;border:1px solid #d1d5db}@media(min-width:768px){.dashboard-main{padding:3rem 2rem}.header-title h1{font-size:2rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.chart-container{height:350px}.time-range-buttons{min-width:auto}}@media(min-width:1024px){.chart-container{height:400px}}.app{min-height:100vh;display:flex;flex-direction:column}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #3b82f6;--primary-dark: #2563eb;--secondary: #64748b;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--background: #f8fafc;--surface: #ffffff;--text: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background);color:var(--text);line-height:1.6}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}button{font-family:inherit;cursor:pointer;border:none;transition:all .2s ease}button:disabled{opacity:.5;cursor:not-allowed}input,textarea,select{font-family:inherit;font-size:1rem;border:1px solid var(--border);border-radius:8px;padding:.75rem 1rem;transition:all .2s ease}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3b82f61a}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:fadeIn .3s ease}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.card{background:var(--surface);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow)}.btn{padding:.75rem 1.5rem;border-radius:8px;font-weight:500;font-size:1rem;transition:all .2s ease}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--secondary);color:#fff}.btn-secondary:hover:not(:disabled){background:#475569}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}@media(min-width:640px){.container{padding:0 2rem}}@media(min-width:768px){h1{font-size:2.5rem}h2{font-size:2rem}}