:root{--dd-primary: #405878;--dd-primary-dark: #364f66;--dd-primary-light: #4c6c96;--dd-accent: #14b8a6;--dd-accent-light: #2dd4bf;--dd-accent-dark: #0d9488;--dd-bg-cream: #fffff5;--dd-bg-sand: #dfdbca;--dd-bg-warm: #fffcef;--dd-text: #2b3a55;--dd-text-secondary: #5f6b85;--dd-text-muted: #8a95a8;--dd-gold: #f6b700;--dd-white: #ffffff;--dd-danger: #c02626;--dd-soft-blue: #E8F4F8}*{margin:0;padding:0;box-sizing:border-box}body{font-family:League Spartan,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--dd-text);background:linear-gradient(135deg,var(--dd-primary-dark) 0%,var(--dd-primary) 40%,var(--dd-bg-cream) 100%);min-height:100vh;-webkit-font-smoothing:antialiased}.hidden{display:none!important}.signup-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 24px;position:relative}.signup-page:before{content:"";position:absolute;top:-100px;right:-100px;width:500px;height:500px;background:radial-gradient(circle,rgba(20,184,166,.1) 0%,transparent 70%);border-radius:50%;pointer-events:none}.signup-page:after{content:"";position:absolute;bottom:-150px;left:-150px;width:600px;height:600px;background:radial-gradient(circle,rgba(246,183,0,.06) 0%,transparent 70%);border-radius:50%;pointer-events:none}.signup-container{width:100%;max-width:960px;display:grid;grid-template-columns:380px 1fr;background:var(--dd-bg-cream);border-radius:28px;box-shadow:0 30px 80px #00000026;overflow:hidden;position:relative;z-index:1}.signup-sidebar{background:linear-gradient(180deg,var(--dd-primary-dark) 0%,var(--dd-primary) 100%);padding:48px 36px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.signup-sidebar:before{content:"";position:absolute;top:-50px;right:-50px;width:200px;height:200px;background:radial-gradient(circle,rgba(20,184,166,.15) 0%,transparent 70%);border-radius:50%}.sidebar-top{position:relative;z-index:1}.sidebar-logo{display:flex;align-items:center;gap:12px;margin-bottom:40px;text-decoration:none}.sidebar-logo img{height:36px}.sidebar-logo span{font-size:20px;font-weight:700;color:#fff}.sidebar-title{font-size:30px;font-weight:700;color:#fff;line-height:1.2;margin-bottom:16px}.sidebar-description{font-size:15px;color:#ffffffb3;line-height:1.6;margin-bottom:36px}.sidebar-features{list-style:none}.sidebar-features li{display:flex;align-items:center;gap:12px;padding:12px 0;font-size:15px;color:#ffffffd9;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-features li:last-child{border-bottom:none}.sidebar-feature-icon{width:36px;height:36px;border-radius:10px;background:#ffffff1a;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.sidebar-bottom{position:relative;z-index:1;text-align:center;margin-top:36px}.sidebar-character{width:180px;height:auto;filter:drop-shadow(0 10px 30px rgba(0,0,0,.2));animation:sidebar-float 4s ease-in-out infinite}@keyframes sidebar-float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}.sidebar-login-note{margin-top:20px;font-size:14px;color:#fff9}.sidebar-login-link{color:var(--dd-accent-light);text-decoration:none;font-weight:600;transition:color .2s ease}.sidebar-login-link:hover{color:#fff}.signup-form-area{padding:48px 44px;overflow-y:auto;max-height:100vh}.signup-back{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--dd-text-muted);text-decoration:none;margin-bottom:28px;transition:color .2s ease;background:none;border:none;cursor:pointer;font-family:inherit}.signup-back:hover{color:var(--dd-primary)}.form-header{margin-bottom:32px}.form-header h2{font-size:28px;font-weight:700;color:var(--dd-primary);margin-bottom:8px}.form-header p{font-size:15px;color:var(--dd-text-muted)}.step-indicator{display:flex;align-items:center;gap:0;margin-bottom:36px}.step-dot{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;background:var(--dd-soft-blue);color:var(--dd-text-muted);transition:all .3s ease;flex-shrink:0}.step-dot.active{background:linear-gradient(135deg,var(--dd-accent) 0%,var(--dd-accent-dark) 100%);color:#fff;box-shadow:0 4px 12px #14b8a64d}.step-dot.completed{background:var(--dd-accent);color:#fff}.step-line{flex:1;height:3px;background:var(--dd-soft-blue);margin:0 8px;border-radius:2px;transition:background .3s ease}.step-line.completed{background:var(--dd-accent)}.form-step{display:none}.form-step.active{display:block}.form-group{margin-bottom:22px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-label{display:block;font-size:14px;font-weight:600;color:var(--dd-primary);margin-bottom:8px}.form-input{width:100%;padding:14px 16px;border:2px solid var(--dd-soft-blue);border-radius:14px;font-size:16px;background-color:#fafbfc;color:var(--dd-text);outline:none;font-family:League Spartan,sans-serif;transition:all .3s ease}.form-input:focus{border-color:var(--dd-accent);background-color:#fff;box-shadow:0 0 0 3px #14b8a61a}.form-input::placeholder{color:#a8b8c8}.form-input.error{border-color:var(--dd-danger)}.form-error{font-size:13px;color:var(--dd-danger);margin-top:6px;display:none}.form-error.visible{display:block}select.form-input{-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a95a8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}.plan-cards-loading{text-align:center;padding:40px 20px;color:var(--dd-text-muted);font-size:15px}.plan-card-features-list{list-style:none;padding:0;margin:10px 0 0;text-align:left}.plan-card-features-list li{font-size:13px;color:var(--dd-text-secondary);padding:5px 0;display:flex;align-items:center;gap:6px;border-bottom:1px solid rgba(64,88,120,.05)}.plan-card-features-list li:last-child{border-bottom:none}.plan-feature-check{color:var(--dd-accent);font-size:13px;flex-shrink:0}.plan-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:8px}.plan-card{background:#fff;border:2.5px solid var(--dd-soft-blue);border-radius:16px;padding:20px 16px;cursor:pointer;transition:all .3s ease;text-align:center;position:relative}.plan-card:hover{border-color:var(--dd-accent);transform:translateY(-2px);box-shadow:0 8px 24px #0000000f}.plan-card.selected{border-color:var(--dd-accent);background:#14b8a60a;box-shadow:0 0 0 3px #14b8a61a}.plan-card-popular{position:absolute;top:-10px;left:50%;transform:translate(-50%);background:linear-gradient(135deg,var(--dd-accent),var(--dd-accent-dark));color:#fff;font-size:11px;font-weight:700;padding:3px 12px;border-radius:100px;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}.plan-card-name{font-size:16px;font-weight:700;color:var(--dd-primary);margin-bottom:4px}.plan-card-price{font-size:28px;font-weight:700;color:var(--dd-primary);letter-spacing:-1px}.plan-card-price span{font-size:14px;color:var(--dd-text-muted);font-weight:500}.plan-card-detail{font-size:13px;color:var(--dd-text-muted);margin-top:6px;line-height:1.4}input[name=plan]{display:none}.form-buttons{display:flex;gap:12px;margin-top:32px}.btn-back{padding:16px 28px;font-size:16px;font-weight:600;color:var(--dd-text-secondary);background:transparent;border:2px solid var(--dd-soft-blue);border-radius:14px;cursor:pointer;transition:all .3s ease;font-family:inherit}.btn-back:hover{border-color:var(--dd-primary);color:var(--dd-primary)}.btn-next{flex:1;padding:16px 28px;font-size:16px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--dd-accent) 0%,var(--dd-accent-dark) 100%);border:none;border-radius:14px;cursor:pointer;transition:all .3s ease;font-family:inherit;box-shadow:0 6px 20px #14b8a64d}.btn-next:hover{transform:translateY(-1px);box-shadow:0 8px 28px #14b8a666}.btn-next:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-submit{flex:1;padding:16px 28px;font-size:16px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--dd-primary-dark) 0%,var(--dd-primary) 100%);border:none;border-radius:14px;cursor:pointer;transition:all .3s ease;font-family:inherit;box-shadow:0 6px 20px #4058784d}.btn-submit:hover{transform:translateY(-1px);box-shadow:0 8px 28px #40587866}.btn-submit:disabled{opacity:.5;cursor:not-allowed;transform:none}.review-summary{background:#fff;border-radius:16px;border:1px solid var(--dd-soft-blue);overflow:hidden}.review-row{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid rgba(64,88,120,.06)}.review-row:last-child{border-bottom:none}.review-label{font-size:14px;color:var(--dd-text-muted)}.review-value{font-size:15px;font-weight:600;color:var(--dd-primary)}.review-total{background:#14b8a60a}.review-total .review-label{font-weight:700;color:var(--dd-primary);font-size:15px}.review-total .review-value{font-size:20px;color:var(--dd-accent-dark)}.alert{padding:14px 18px;border-radius:12px;font-size:14px;font-weight:500;margin-bottom:20px;display:none}.alert.visible{display:block}.alert-error{background:#ffe5e5;color:var(--dd-danger);border-left:4px solid var(--dd-danger)}.alert-success{background:#e8f5e9;color:#2e7d32;border-left:4px solid #2E7D32}.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 .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.terms-text{font-size:13px;color:var(--dd-text-muted);line-height:1.6;margin-top:20px;text-align:center}.terms-text a{color:var(--dd-accent-dark);text-decoration:none;font-weight:600}.terms-text a:hover{text-decoration:underline}@media (max-width: 900px){.signup-container{grid-template-columns:1fr;max-width:520px}.signup-sidebar{padding:36px 28px 28px}.sidebar-bottom,.sidebar-features{display:none}.signup-form-area{padding:36px 28px}.plan-cards{grid-template-columns:1fr}}@media (max-width: 600px){.signup-page{padding:20px 16px}.signup-container{border-radius:20px}.signup-form-area{padding:28px 20px}.signup-sidebar{padding:28px 20px 20px}.sidebar-title{font-size:24px}.form-row{grid-template-columns:1fr}.form-header h2{font-size:24px}}