*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--accent: #2A5C45;--accent-light: #EAF2EE;--accent-mid: #B8D8C8;--accent-hover: #1F4433;--terra: #7A3828;--terra-light: #F7EDEA;--terra-mid: #E0B8AE;--black: #0F0F0E;--ink: #1A1A18;--warm-white: #FAFAF8;--off-white: #F4F3EF;--surface: #FFFFFF;--muted: #6B6A66;--muted-light: #9A9894;--border: #E4E2DC;--border-focus: #2A5C45;--red: #B83030;--red-light: #FDECEA;--radius: 12px}html,body{height:100%;min-height:100vh;font-family:DM Sans,sans-serif;background:var(--off-white);color:var(--black);font-size:14px;line-height:1.5}.page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.page.student-role{--accent: #5B8DD9;--accent-light: #EAF0FB;--accent-mid: #A8C0E8;--accent-hover: #3F6FC0}.left-panel{background:var(--ink);padding:48px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.left-panel:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:40px 40px;pointer-events:none}.left-panel:after{content:"";position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(42,92,69,.25) 0%,transparent 70%);bottom:-100px;left:-80px;pointer-events:none}.left-logo{display:flex;align-items:center;gap:10px;text-decoration:none;position:relative;z-index:1}.left-logo-mark{width:34px;height:34px;background:var(--accent);border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 14px #2a5c4580}.left-logo-mark svg{width:17px;height:17px}.left-logo-name{font-family:"DM Serif Display",serif;font-size:18px;color:#fff;letter-spacing:-.3px}.left-content{position:relative;z-index:1;display:flex;flex-direction:column;gap:24px}.left-tagline{font-family:"DM Serif Display",serif;font-size:36px;line-height:1.1;letter-spacing:-1px;color:#fff}.left-tagline em{font-style:italic;color:var(--accent-mid)}.left-sub{font-size:15px;color:#ffffff73;line-height:1.6;max-width:340px}.left-features{display:flex;flex-direction:column;gap:12px}.left-feature{display:flex;align-items:flex-start;gap:12px}.feat-icon{width:28px;height:28px;border-radius:8px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}.feat-icon svg{width:13px;height:13px;color:var(--accent-mid)}.feat-text{font-size:13px;color:#ffffff8c;line-height:1.5}.feat-text strong{color:#ffffffd9;font-weight:600}.left-footer{position:relative;z-index:1;font-size:12px;color:#fff3}.right-panel{display:flex;align-items:center;justify-content:center;padding:48px 40px;overflow-y:auto;background:var(--off-white)}.form-wrap{width:100%;max-width:420px;display:flex;flex-direction:column;gap:32px}.screen{display:none;flex-direction:column;gap:28px}.screen.active{display:flex;animation:slideIn .35s cubic-bezier(.4,0,.2,1) both}@keyframes slideIn{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.screen-head{display:flex;flex-direction:column;gap:6px}.screen-step{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-light);display:flex;align-items:center;gap:6px}.step-dots{display:flex;gap:4px}.step-dot{width:16px;height:4px;border-radius:2px;background:var(--border);transition:background .3s}.step-dot.done{background:var(--accent-mid)}.step-dot.active{background:var(--accent)}.screen-title{font-family:"DM Serif Display",serif;font-size:28px;line-height:1.1;letter-spacing:-.7px}.screen-sub{font-size:13.5px;color:var(--muted);line-height:1.6}.auth-providers{display:flex;flex-direction:column;gap:10px}.provider-btn{font-family:DM Sans,sans-serif;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 20px;border-radius:var(--radius);border:1.5px solid var(--border);background:var(--surface);cursor:pointer;transition:all .15s;text-decoration:none;color:var(--black);box-shadow:0 1px 3px #0000000f}.provider-btn:hover{border-color:var(--black);box-shadow:0 4px 12px #0000001a;transform:translateY(-1px)}.provider-btn.apple{background:var(--black);color:#fff;border-color:var(--black)}.provider-btn.apple:hover{background:#222;border-color:#222}.divider{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted-light);font-weight:500}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.fields{display:flex;flex-direction:column;gap:14px}.field-row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field-group{display:flex;flex-direction:column;gap:5px;position:relative}.field-label{font-size:12px;font-weight:700;color:var(--black);letter-spacing:.01em}.field-label .optional{font-weight:400;color:var(--muted-light);margin-left:4px}.field-input,.field-select{font-family:DM Sans,sans-serif;font-size:14px;color:var(--black);background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:11px 14px;outline:none;transition:border-color .15s,box-shadow .15s;width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;box-shadow:0 1px 3px #0000000a}.field-input:focus,.field-select:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #2a5c451a}.field-input.error{border-color:var(--red)}.field-input.error:focus{box-shadow:0 0 0 3px #b830301a}.field-input.valid{border-color:var(--accent)}.field-select{background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%236B6A66' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:14px;padding-right:36px;cursor:pointer}.field-hint{font-size:11.5px;color:var(--muted-light);line-height:1.4}.field-error{font-size:11.5px;color:var(--red);display:none;align-items:center;gap:4px}.field-error.show{display:flex}.password-wrap{position:relative}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--muted-light);padding:4px;transition:color .15s;display:flex;align-items:center}.password-toggle:hover{color:var(--black)}.id-input-wrap{position:relative}.id-validator{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s}.id-validator.show{opacity:1}.id-validator.valid{background:var(--accent-light)}.id-validator.invalid{background:var(--red-light)}.school-wrap{position:relative}.school-dropdown{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 32px #0000001f;z-index:20;display:none;max-height:200px;overflow-y:auto}.school-dropdown.open{display:block}.school-option{padding:10px 14px;cursor:pointer;transition:background .1s;font-size:13.5px;color:var(--black);border-bottom:1px solid var(--border-light, #eee);display:flex;flex-direction:column;gap:1px}.school-option:last-child{border-bottom:none}.school-option:hover{background:var(--off-white)}.school-option-sub{font-size:11px;color:var(--muted-light)}.role-cards{display:flex;flex-direction:column;gap:12px}.role-card{border:1.5px solid var(--border);border-radius:14px;padding:20px 22px;cursor:pointer;transition:all .2s;background:var(--surface);display:flex;flex-direction:column;gap:12px;box-shadow:0 1px 4px #0000000a;position:relative;overflow:hidden}.role-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:14px 14px 0 0;opacity:0;transition:opacity .2s}.role-card.teacher:before{background:var(--accent)}.role-card.student:before{background:#5b8dd9}.role-card:hover{border-color:#c8c6bf;transform:translateY(-1px);box-shadow:0 6px 20px #00000014}.role-card.teacher:hover{border-color:var(--accent-mid)}.role-card.teacher:hover:before{opacity:1}.role-card.student:hover{border-color:#a8c0e8}.role-card.student:hover:before{opacity:1}.role-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.role-icon{width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.role-card.teacher .role-icon{background:var(--accent-light)}.role-card.student .role-icon{background:#eaf0fb}.role-arrow{width:28px;height:28px;border-radius:8px;border:1px solid var(--border);background:var(--surface);display:flex;align-items:center;justify-content:center;color:var(--muted-light);transition:all .15s;flex-shrink:0;margin-top:2px}.role-card.teacher:hover .role-arrow{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}.role-card.student:hover .role-arrow{border-color:#5b8dd9;color:#5b8dd9;background:#eaf0fb}.role-name{font-size:16px;font-weight:700;color:var(--black);margin-bottom:3px}.role-desc{font-size:13px;color:var(--muted);line-height:1.5}.role-requires{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--muted-light);padding-top:10px;border-top:1px solid var(--border-light, #eee)}.code-inputs{display:flex;gap:8px;margin-top:6px}.code-box{width:40px;height:44px;border-radius:10px;border:1.5px solid var(--border);background:var(--surface);text-align:center;font-size:18px;font-weight:600;letter-spacing:.1em;outline:none;box-shadow:0 1px 3px #0000000a}.code-box:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #2a5c451a}.info-callout{background:var(--off-white);border:1px solid var(--border);border-radius:10px;padding:13px 15px;display:flex;gap:10px;align-items:flex-start}.info-callout-text{font-size:12.5px;color:var(--muted);line-height:1.55}.info-callout-text strong{color:var(--black);font-weight:600}.submit-btn{font-family:DM Sans,sans-serif;font-size:14px;font-weight:700;color:#fff;background:var(--accent);border:none;border-radius:var(--radius);padding:13px 20px;cursor:pointer;width:100%;transition:all .15s;box-shadow:0 2px 10px #2a5c454d;display:flex;align-items:center;justify-content:center;gap:8px}.submit-btn:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 18px #2a5c4559}.submit-btn:active{transform:translateY(0)}.submit-btn.loading{opacity:.75;cursor:not-allowed;pointer-events:none}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none}.submit-btn.loading .spinner{display:block}.submit-btn.loading .btn-text{display:none}@keyframes spin{to{transform:rotate(360deg)}}.back-link{display:flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;color:var(--muted);background:none;border:none;cursor:pointer;transition:color .15s;padding:0;align-self:flex-start}.back-link:hover{color:var(--black)}.signin-link{text-align:center;font-size:13px;color:var(--muted)}.signin-link a{color:var(--accent);font-weight:600;text-decoration:none}.signin-link a:hover{color:var(--accent-hover);text-decoration:underline}.terms-note{text-align:center;font-size:11.5px;color:var(--muted-light);line-height:1.5}.terms-note a{color:var(--muted);text-decoration:underline}.terms-note a:hover{color:var(--black)}.success-icon{width:64px;height:64px;border-radius:18px;background:var(--accent-light);display:flex;align-items:center;justify-content:center;margin-bottom:4px}.progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .4s cubic-bezier(.4,0,.2,1)}@keyframes slideOut{to{opacity:0;transform:translateY(-10px)}}
