@font-face{font-family:Advent Pro;src:url(/fonts/AdventPro-Variable.ttf) format("truetype-variations");font-weight:100 900;font-stretch:100% 200%;font-display:swap}:root{--color-primary: #2f7d63;--color-bg: #f9f4eb;--color-card: #fffbf8;--color-border: #f4ebe6;--color-text: #17212b;--color-text-secondary: #52606d;--color-text-muted: #667382;--color-yellow: #fff2bf;--color-red: #b65353;--color-blue: #4677ff;--font-main: "Advent Pro", system-ui, sans-serif;--font-stretch: 150%;--text-title: 36px;--text-body: 21px;--text-small: 16px;--sidebar-width: 260px;--radius-card: 16px;--radius-panel: 36px;--radius-input: 12px;--control-height: 60px;--shadow-card: 0 2px 8px rgba(23, 33, 43, .06);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 40px}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font-main);font-stretch:var(--font-stretch);font-size:var(--text-body);background:var(--color-bg);color:var(--color-text)}button,input{font:inherit;font-stretch:inherit;color:inherit}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.button-primary{display:inline-block;height:var(--control-height);padding:0 var(--space-xl);border:none;border-radius:var(--radius-input);background:var(--color-primary);color:#fff;font-size:var(--text-body);font-weight:600;text-decoration:none;line-height:var(--control-height);cursor:pointer;transition:filter .15s}.button-primary:hover:not(:disabled){filter:brightness(1.08)}.button-primary:disabled{opacity:.6;cursor:default}.loading-state{min-height:40vh;display:flex;align-items:center;justify-content:center;color:var(--color-text-secondary)}.placeholder{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-md)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-md);background:url(/assets/login-bg-50Dw0MPQ.jpg) center / cover no-repeat,var(--color-bg)}.login-card{width:100%;max-width:758px;padding:60px var(--space-lg) 64px;display:flex;flex-direction:column;align-items:center;background:#fffffff7;border:7.5px solid rgba(255,255,255,.25);border-radius:var(--radius-panel);background-clip:padding-box}.login-logo{width:60px;height:60px}.login-title{margin:28px 0 0;font-size:var(--text-title);font-weight:600}.login-subtitle{margin:var(--space-md) 0 0;color:var(--color-text-secondary);text-align:center}.login-field{width:100%;max-width:442px;margin-top:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-sm)}.login-label{color:var(--color-text-secondary);padding-left:var(--space-lg)}.login-input-wrap{display:flex;align-items:center;gap:var(--space-md);height:var(--control-height);padding:0 var(--space-lg);background:var(--color-card);border:1.5px solid var(--color-border);border-radius:var(--radius-input)}.login-input-wrap:focus-within{border-color:var(--color-primary)}.login-input-wrap input{flex:1;min-width:0;border:none;outline:none;background:transparent}.login-input-wrap input::placeholder{color:var(--color-text-muted)}.login-error{margin:var(--space-lg) 0 0;color:var(--color-red);text-align:center}.login-submit{margin-top:var(--space-xl);width:100%;max-width:442px;height:var(--control-height);border:none;border-radius:var(--radius-input);background:var(--color-primary);color:#fff;font-size:var(--text-body);font-weight:600;cursor:pointer;transition:filter .15s}.login-submit:hover:not(:disabled){filter:brightness(1.08)}.login-submit:disabled{opacity:.6;cursor:default}@media(max-width:640px){.login-card{padding:var(--space-xl) var(--space-md);border-radius:var(--radius-card)}}.not-found{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-sm);text-align:center;padding:var(--space-md)}.not-found-code{margin:0;font-size:96px;font-weight:600;color:var(--color-primary);line-height:1}.not-found h1{margin:0;font-size:var(--text-title)}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--color-bg);box-shadow:0 8px 9px #00000040;padding:var(--space-xl) var(--space-lg);display:flex;flex-direction:column;gap:var(--space-xl);min-height:100vh}.sidebar-logo{width:190px;height:36px;align-self:flex-start}.sidebar-nav{display:flex;flex-direction:column;gap:var(--space-md)}.sidebar-link{display:flex;align-items:center;gap:var(--space-md);height:var(--control-height);padding:0 var(--space-md);border-radius:8px;color:var(--color-text);font-size:24px;font-weight:600;text-decoration:none}.sidebar-link svg{width:28px;height:28px;flex-shrink:0}.sidebar-link:hover{background:#2f7d6314}.sidebar-link.is-active{background:#2f7d6326;color:var(--color-primary)}.sidebar-notifications{margin-top:auto;display:flex;flex-direction:column;gap:var(--space-sm)}.sidebar-notifications h2{font-size:24px;margin:0}.app-main-wrap{flex:1;min-width:0;display:flex;flex-direction:column;background-image:linear-gradient(rgba(23,33,43,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,33,43,.035) 1px,transparent 1px);background-size:28px 28px}.app-header{display:flex;align-items:center;gap:var(--space-lg);padding:var(--space-xl) var(--space-xl) 0}.app-title{margin:0;font-size:var(--text-title);font-weight:600;flex:1;min-width:0}.app-header-actions{display:flex;align-items:center;gap:var(--space-lg)}.logout-button{border:none;background:transparent;font-size:24px;font-weight:600;cursor:pointer;padding:var(--space-sm) var(--space-md);border-radius:8px}.logout-button:hover{background:#2f7d6314}.icon-button{display:inline-flex;align-items:center;justify-content:center;border:none;background:transparent;cursor:pointer;padding:var(--space-xs);border-radius:8px;color:var(--color-text)}.icon-button:hover{background:#2f7d631a}.icon-button.danger{color:var(--color-red)}.icon-button.accent-blue{color:var(--color-blue)}.add-button{background:#2f7d6326;color:var(--color-primary);width:50px;height:50px}.app-content{flex:1;padding:var(--space-lg) var(--space-xl) var(--space-xl);max-width:1600px;width:100%}.mobile-menu-button{display:none}.mobile-menu-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#17212b66;z-index:40}.mobile-menu{position:absolute;top:0;left:0;bottom:0;overflow-y:auto;z-index:41;animation:slide-in .2s ease-out}.mobile-menu-close{position:absolute;top:var(--space-md);right:var(--space-md)}@keyframes slide-in{0%{transform:translate(-100%)}to{transform:translate(0)}}.card{background:var(--color-card);border:1px solid var(--color-border);border-radius:8px;padding:var(--space-md)}.card-header{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-md)}.card-header h2{margin:0;font-size:24px;font-weight:600;flex:1}.card-header-icon.accent{color:var(--color-primary)}.card-header-link{color:var(--color-text);text-decoration:none;font-size:var(--text-body)}.card-header-link:hover{color:var(--color-primary)}.empty-state{color:var(--color-text-muted);padding:var(--space-md) 0}.section-stub{padding:var(--space-xl);font-size:24px;color:var(--color-text-secondary)}.dashboard-grid{display:grid;grid-template-columns:2fr 1fr;gap:var(--space-lg)}.dashboard-grid>*,.stat-cards>*{min-width:0}.stat-cards{grid-column:1 / -1;display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-lg)}.stat-card{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-lg) var(--space-md)}.stat-icon{width:54px;height:54px;border-radius:8px;background:#2f7d6326;display:inline-flex;align-items:center;justify-content:center;color:var(--color-primary);flex-shrink:0}.stat-label{flex:1;line-height:1.15;min-width:0}.stat-card{min-width:0}.stat-value{font-size:var(--text-title);font-weight:600}.lesson-row{display:flex;align-items:center;gap:var(--space-md);background:var(--color-card);border:1px solid var(--color-border);border-radius:8px;box-shadow:2px 2px 5px #0000000d;padding:var(--space-sm) var(--space-md);margin-bottom:var(--space-sm);min-height:64px}.lesson-row-time{color:var(--color-primary);font-weight:600;font-size:20px;min-width:56px}.lesson-row-info{flex:1;min-width:0;display:flex;flex-direction:column}.lesson-row-topic{font-size:14px;color:var(--color-text-secondary)}.button-open{border:1px solid var(--color-border);border-radius:4px;box-shadow:1px 1px 2px #0000001a;background:var(--color-card);font-size:var(--text-small);padding:4px 16px;color:var(--color-text);text-decoration:none;cursor:pointer;white-space:nowrap}.button-open:hover{border-color:var(--color-primary);color:var(--color-primary)}.button-open.danger{color:var(--color-red)}.note-item{display:flex;align-items:flex-start;gap:var(--space-sm);border:1px solid var(--color-border);border-radius:8px;box-shadow:2px 2px 5px #0000000d;padding:var(--space-sm) var(--space-md);margin-bottom:var(--space-sm);background:var(--color-card)}.note-item p{margin:0;flex:1;font-size:14px;overflow-wrap:anywhere}.note-add{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-md)}.note-add textarea{width:100%;border:1.5px solid var(--color-border);border-radius:var(--radius-input);padding:var(--space-sm);background:var(--color-card);resize:vertical}.note-confirm{display:flex;gap:var(--space-xs)}.notification-item{align-items:center}.notification-text{flex:1;min-width:0;display:flex;flex-direction:column}.notification-body{font-size:14px;color:var(--color-text-secondary)}.week-card{grid-column:1 / -1}.week-grid{display:grid;grid-template-columns:repeat(7,1fr)}.week-day{border-left:1px solid var(--color-border);padding:var(--space-sm);min-height:160px}.week-day:first-child{border-left:none}.week-day-header{text-align:center;border-bottom:1px solid var(--color-border);padding-bottom:var(--space-sm);margin-bottom:var(--space-sm);white-space:nowrap}.week-slot{display:flex;flex-direction:column;align-items:center;font-size:var(--text-small);padding:var(--space-xs) 0}.week-slot-time{font-weight:600}@media(max-width:1024px){:root{--sidebar-width: 220px}.sidebar-link{font-size:20px}.sidebar-logo{width:150px;height:auto}.stat-cards{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}.week-grid{overflow-x:auto;grid-template-columns:repeat(7,minmax(110px,1fr))}}@media(max-width:640px){.app-layout>.sidebar{display:none}.mobile-menu-button{display:inline-flex}.app-header{padding:var(--space-md) var(--space-md) 0;gap:var(--space-sm)}.app-title{font-size:26px}.logout-button{font-size:20px}.app-content{padding:var(--space-md)}.stat-cards{grid-template-columns:1fr}.mobile-menu{width:min(320px,85vw)}}.schedule-mini{display:grid;grid-template-columns:repeat(2,auto);gap:2px 16px;font-size:var(--text-small);margin-top:4px}.schedule-mini-item{white-space:nowrap;text-transform:uppercase}@media(max-width:640px){.schedule-mini{grid-template-columns:repeat(2,minmax(0,1fr));font-size:14px}.schedule-mini-item{white-space:normal}}.progress-bar{display:block;margin-top:8px;height:8px;border-radius:4px;background:var(--color-border);overflow:hidden}.progress-bar-fill{display:block;height:100%;border-radius:4px;background:var(--color-primary)}.progress-value{color:var(--color-primary);font-size:28px}.next-lesson-when{display:flex;flex-direction:column;align-items:flex-start;min-width:72px}.next-lesson-date{font-size:var(--text-small);font-weight:400;color:var(--color-text)}.next-lesson-note{color:var(--color-blue)}.tutor-name{margin:0 0 var(--space-md)}.tutor-links{display:flex;gap:var(--space-sm)}.homework-card{grid-column:1 / -1}.hw-table-wrap{overflow-x:auto}.hw-table{width:100%;border-collapse:collapse}.hw-table th{text-align:left;font-weight:400;font-size:var(--text-small);color:var(--color-text-muted);border-bottom:1px solid var(--color-border);padding:var(--space-sm)}.hw-table td{padding:var(--space-md) var(--space-sm);border-bottom:1px solid var(--color-border);font-size:var(--text-small)}.hw-table tr:last-child td{border-bottom:none}.hw-badge{display:inline-block;padding:2px 12px;border-radius:6px;font-size:14px;white-space:nowrap}.hw-badge-not-started{background:#b6535326;color:var(--color-red)}.hw-badge-in-progress{background:#4677ff1f;color:var(--color-blue)}.hw-badge-under-review{background:var(--color-yellow);color:#8a6d00}.hw-badge-checked{background:#2f7d6326;color:var(--color-primary)}.hw-badge-needs-revision{background:#9346ff1f;color:#7a3fd1}@media(max-width:640px){.hw-table thead{display:none}.hw-table tr{display:grid;grid-template-columns:1fr auto;gap:var(--space-xs) var(--space-sm);border-bottom:1px solid var(--color-border);padding:var(--space-sm) 0}.hw-table td{display:block;border:none;padding:2px 0}.hw-table td:first-child{grid-column:1 / -1;font-weight:600}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#17212b73;display:flex;align-items:center;justify-content:center;padding:var(--space-md);z-index:50}.modal{background:var(--color-card);border-radius:var(--radius-card);padding:var(--space-lg);width:100%;max-width:520px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md)}.modal-header h2{margin:0;font-size:24px}.modal-actions{display:flex;justify-content:flex-end;gap:var(--space-sm);margin-top:var(--space-lg)}.confirm-message{margin:0}.form-grid{display:flex;flex-direction:column;gap:var(--space-md)}.form-grid label{display:flex;flex-direction:column;gap:var(--space-xs);font-size:var(--text-small);color:var(--color-text-secondary)}.form-grid input,.form-grid textarea,.form-grid select{height:48px;padding:0 var(--space-md);border:1.5px solid var(--color-border);border-radius:var(--radius-input);background:var(--color-card);font-size:var(--text-small);color:var(--color-text)}.form-grid textarea{height:auto;padding:var(--space-sm) var(--space-md);resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.field-error,.form-error{color:var(--color-red);font-size:14px;margin:0}.button-secondary{height:48px;padding:0 var(--space-lg);border:1.5px solid var(--color-border);border-radius:var(--radius-input);background:var(--color-card);cursor:pointer;font-size:var(--text-small)}.button-danger{height:48px;padding:0 var(--space-lg);border:none;border-radius:var(--radius-input);background:var(--color-red);color:#fff;cursor:pointer;font-size:var(--text-small);font-weight:600}.button-primary.compact,.modal-actions .button-primary{height:48px;line-height:48px;padding:0 var(--space-lg);font-size:var(--text-small)}.toast-container{position:fixed;bottom:var(--space-lg);right:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-sm);z-index:60}.toast{padding:var(--space-md) var(--space-lg);border-radius:var(--radius-input);color:#fff;box-shadow:var(--shadow-card);max-width:360px}.toast-success{background:var(--color-primary)}.toast-error{background:var(--color-red)}.students-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-lg)}.student-card.inactive{opacity:.65}.student-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--space-sm)}.student-name{margin:0;font-size:24px}.student-login{color:var(--color-text-muted);font-size:var(--text-small);margin-right:var(--space-sm)}.student-card-actions{display:flex;gap:var(--space-xs)}.student-meta{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm) var(--space-md);margin:var(--space-md) 0 0}.student-meta dt{font-size:13px;color:var(--color-text-muted)}.student-meta dd{margin:0;font-weight:600}.student-goal{margin:var(--space-md) 0 0;font-size:var(--text-small);color:var(--color-text-secondary)}.student-card-footer{margin-top:var(--space-md);display:flex;gap:var(--space-sm)}.hw-detail{display:flex;flex-direction:column;gap:var(--space-lg);max-width:860px}.back-link{color:var(--color-text-secondary);text-decoration:none;font-size:var(--text-small)}.back-link:hover{color:var(--color-primary)}.hw-detail-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);flex-wrap:wrap}.hw-detail-header h2{margin:0;font-size:28px}.hw-due{margin:var(--space-sm) 0 0;color:var(--color-text-secondary);font-size:var(--text-small)}.hw-description{margin:var(--space-md) 0 0;white-space:pre-wrap}.hw-actions{display:flex;gap:var(--space-sm);margin-top:var(--space-md);flex-wrap:wrap}.card-subtitle{margin:0 0 var(--space-md);font-size:24px;font-weight:600}.feedback-item{border:1px solid var(--color-border);border-radius:8px;padding:var(--space-md);margin-bottom:var(--space-md);background:var(--color-card);box-shadow:2px 2px 5px #0000000d}.feedback-item p{margin:var(--space-xs) 0;white-space:pre-wrap}.feedback-date{font-size:13px;color:var(--color-text-muted)}.feedback-form{margin-top:var(--space-md);display:flex;flex-direction:column;gap:var(--space-md)}.feedback-form .form-row{align-items:end}.hw-comment-label{display:flex;flex-direction:column;gap:var(--space-xs);font-size:var(--text-small);color:var(--color-text-secondary);margin:var(--space-md) 0}.hw-comment-label textarea{border:1.5px solid var(--color-border);border-radius:var(--radius-input);padding:var(--space-sm) var(--space-md);background:var(--color-card);font-size:var(--text-small);color:var(--color-text);resize:vertical}.feedback-form label{display:flex;flex-direction:column;gap:var(--space-xs);font-size:var(--text-small);color:var(--color-text-secondary)}.feedback-form select{height:48px;border:1.5px solid var(--color-border);border-radius:var(--radius-input);background:var(--color-card);padding:0 var(--space-sm);font-size:var(--text-small);color:var(--color-text)}.file-list{list-style:none;margin:0 0 var(--space-md);padding:0;display:flex;flex-direction:column;gap:var(--space-sm)}.file-item{display:flex;align-items:center;gap:var(--space-sm);border:1px solid var(--color-border);border-radius:8px;padding:var(--space-sm) var(--space-md);background:var(--color-card)}.file-item-icon{color:var(--color-primary);flex-shrink:0}.file-item-info{flex:1;min-width:0;display:flex;flex-direction:column}.file-item-name{overflow-wrap:anywhere;font-size:var(--text-small)}.file-item-meta{font-size:13px;color:var(--color-text-muted)}.file-uploader{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-md)}.file-uploader-button{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;width:fit-content}.file-uploader-button.disabled{opacity:.5;cursor:default}.file-uploader-hint{font-size:13px;color:var(--color-text-muted)}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.upload-progress{display:flex;align-items:center;gap:var(--space-md)}.upload-progress-bar{flex:1;max-width:320px;margin-top:0}.filter-row{display:flex;gap:var(--space-sm);flex-wrap:wrap;margin-bottom:var(--space-lg)}.filter-button.active{border-color:var(--color-primary);color:var(--color-primary);font-weight:600}.feedback-submit{border:none}.materials-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:var(--space-lg);align-items:start}.material-title{margin:0;font-size:24px}.material-audience{font-size:13px;color:var(--color-text-muted)}.material-description{margin:var(--space-sm) 0 var(--space-md);font-size:var(--text-small);color:var(--color-text-secondary);white-space:pre-wrap}.student-checklist{border:1.5px solid var(--color-border);border-radius:var(--radius-input);padding:var(--space-sm) var(--space-md);display:flex;flex-direction:column;gap:var(--space-xs);max-height:200px;overflow-y:auto}.student-checklist legend{font-size:13px;color:var(--color-text-muted);padding:0 var(--space-xs)}.checkbox-label{display:flex!important;flex-direction:row!important;align-items:center;gap:var(--space-sm)!important}.checkbox-label input[type=checkbox]{height:auto;width:18px;accent-color:var(--color-primary)}@media(max-width:640px){.materials-grid{grid-template-columns:1fr}}.week-nav{display:flex;gap:var(--space-sm);margin-bottom:var(--space-lg);flex-wrap:wrap}.week-nav .button-open:disabled{opacity:.5;cursor:default}.schedule-slot{width:100%;border:1px solid var(--color-border);border-radius:6px;background:#2f7d6314;cursor:pointer;margin-bottom:var(--space-xs);padding:var(--space-xs)}.schedule-slot:hover{background:#2f7d632e}.schedule-slot.status-completed{background:transparent;opacity:.65}.schedule-slot.status-cancelled{background:#b6535314;text-decoration:line-through;opacity:.65}.schedule-slot-status{font-size:12px;color:var(--color-text-muted)}.schedule-add-slot{width:100%;border:1px dashed var(--color-border);border-radius:6px;background:transparent;color:var(--color-text-muted);cursor:pointer;padding:2px;font-size:var(--text-small)}.schedule-add-slot:hover{border-color:var(--color-primary);color:var(--color-primary)}.past-lesson{opacity:.7}.chats-layout{display:grid;grid-template-columns:320px 1fr;gap:var(--space-lg);align-items:start}.chats-list{display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-sm);max-height:75vh;overflow-y:auto}.chats-list-item{display:flex;flex-direction:column;gap:2px;text-align:left;border:1px solid var(--color-border);border-radius:8px;background:var(--color-card);padding:var(--space-sm) var(--space-md);cursor:pointer}.chats-list-item:hover{border-color:var(--color-primary)}.chats-list-item.active{background:#2f7d631f;border-color:var(--color-primary)}.chats-list-name{font-weight:600;display:flex;align-items:center;gap:var(--space-sm)}.chat-unread-badge{background:var(--color-primary);color:#fff;border-radius:10px;font-size:13px;font-weight:600;padding:0 8px;line-height:20px}.chats-list-preview{font-size:14px;color:var(--color-text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chats-list-time{font-size:12px;color:var(--color-text-muted)}.chats-dialog-pane{display:flex;flex-direction:column;min-height:60vh;max-height:75vh}.chats-dialog-header{display:flex;align-items:center;gap:var(--space-md);border-bottom:1px solid var(--color-border);padding-bottom:var(--space-sm);margin-bottom:var(--space-sm)}.chats-dialog-header h2{margin:0;font-size:24px}.chats-back{display:none}.chat-dialog{display:flex;flex-direction:column;flex:1;min-height:0}.chat-messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-sm) 0}.chat-bubble{max-width:75%;border-radius:12px;padding:var(--space-sm) var(--space-md);font-size:var(--text-small)}.chat-bubble p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.chat-bubble.mine{align-self:flex-end;background:#2f7d6326;border-bottom-right-radius:4px}.chat-bubble.theirs{align-self:flex-start;background:var(--color-card);border:1px solid var(--color-border);border-bottom-left-radius:4px}.chat-bubble-time{display:block;font-size:11px;color:var(--color-text-muted);margin-top:2px;text-align:right}.chat-input-row{display:flex;gap:var(--space-sm);align-items:flex-end;border-top:1px solid var(--color-border);padding-top:var(--space-sm)}.chat-input-row textarea{flex:1;border:1.5px solid var(--color-border);border-radius:var(--radius-input);padding:var(--space-sm) var(--space-md);background:var(--color-card);font-size:var(--text-small);resize:none}.student-chat{max-width:860px}@media(max-width:1024px){.chats-layout{grid-template-columns:1fr}.chats-layout.dialog-open .chats-list{display:none}.chats-layout:not(.dialog-open) .chats-dialog-pane{display:none}.chats-back{display:inline-block}}.quick-add{position:relative}.quick-add-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:190px;list-style:none;margin:0;padding:var(--space-xs);background:var(--color-card);border:1px solid var(--color-border);border-radius:12px;box-shadow:0 8px 24px #17212b26;z-index:30;display:flex;flex-direction:column;gap:2px}.quick-add-item{width:100%;text-align:left;border:none;background:transparent;padding:var(--space-sm) var(--space-md);border-radius:8px;cursor:pointer;font-size:var(--text-body);color:var(--color-text);display:flex;align-items:center;gap:var(--space-sm)}.quick-add-item:hover{background:#2f7d631a}.quick-add-plus{color:var(--color-primary);font-weight:600}