:root{--green:#126447;--green2:#0c4d37;--mint:#e9f4ef;--cream:#fbf6ee;--line:#e5d8c7;--text:#14231d;--muted:#64706a;--red:#d91f35;--gold:#f5a400;--shadow:0 22px 70px rgba(18,100,71,.12)}body{background:linear-gradient(120deg,#fbf6ee 0%,#fbf6ee 52%,#eef5ef 100%);color:var(--text);min-height:100vh}.platform-header{position:sticky;top:0;z-index:20;background:rgba(251,246,238,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px max(24px,calc((100vw - 1180px)/2));min-height:82px}.brand{font-size:26px;font-weight:900;color:var(--green)}.main-nav{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.main-nav>a{color:var(--text);font-weight:800;padding:12px 16px;border-radius:999px;display:inline-flex;align-items:center;gap:8px;min-height:46px}.main-nav>a.active,.main-nav>a:hover{background:var(--mint);color:var(--green)}.nav-icon-link{position:relative}.nav-icon-link svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round;flex:0 0 22px}.nav-icon-link b{position:absolute;top:-4px;right:-4px;background:var(--red);color:#fff;border:2px solid #fff;min-width:20px;height:20px;border-radius:999px;font-size:11px;display:flex;align-items:center;justify-content:center;line-height:1;padding:0 5px}.platform-main{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:32px 0 60px}.hero-card,.panel,.teacher-card,.community-card,.chat-shell,.profile-card,.auth-card,.filters-bar{background:rgba(255,252,247,.92);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow)}.page-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:0 0 24px}.page-title h1{font-size:34px;line-height:1.1;margin:0;color:var(--green)}.page-title p{margin:8px 0 0;color:var(--muted)}.btn-primary{background:var(--green);color:#fff}.btn-primary:hover{background:var(--green2)}.btn-light{background:#fff;border:1px solid var(--line);color:var(--green)}.btn-danger{background:var(--red);color:#fff}.required{color:var(--red)}.auth-wrap{min-height:calc(100vh - 120px);display:grid;place-items:center}.auth-card{width:min(980px,100%);padding:30px}.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.tabs a{padding:11px 18px;border:1px solid var(--line);border-radius:999px;font-weight:800;color:var(--green);background:#fff}.tabs a.active{background:var(--green);color:#fff}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.form-grid.two{grid-template-columns:repeat(2,1fr)}.field label{display:block;font-weight:800;font-size:14px;margin-bottom:7px}.field.full{grid-column:1/-1}.filters-bar{padding:22px;margin-bottom:28px;display:grid;grid-template-columns:1.1fr repeat(5,1fr);gap:14px;align-items:end}.teachers-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.teacher-card{overflow:hidden;display:flex;flex-direction:column;min-height:450px}.teacher-top{height:168px;background:linear-gradient(135deg,#eef6f1,#fff8ed);display:grid;place-items:center}.teacher-avatar{width:112px;height:112px;border-radius:50%;object-fit:cover;border:6px solid #fff;box-shadow:0 12px 30px rgba(0,0,0,.08)}.teacher-body{padding:20px;display:flex;flex-direction:column;gap:13px;flex:1}.teacher-body h3{margin:0;font-size:22px;line-height:1.2}.status{display:inline-flex;align-items:center;gap:7px;font-size:14px}.dot{width:12px;height:12px;border-radius:50%;background:#a8aaa8}.dot.online{background:#22bb72}.rating{color:var(--gold);letter-spacing:1px}.rating small{color:var(--muted);letter-spacing:0;margin-left:5px}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}.chip{border:1px solid var(--line);border-radius:999px;padding:6px 12px;background:#fff;font-weight:800;font-size:13px}.teacher-card .btn{width:100%;margin-top:4px}.empty-card{padding:38px;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:22px;color:var(--muted)}.community-toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:22px}.floating-new{position:fixed;right:24px;bottom:24px;z-index:30;background:var(--green);color:#fff;border-radius:999px;padding:16px 22px;font-weight:900;box-shadow:0 18px 50px rgba(18,100,71,.25);display:inline-flex;align-items:center;gap:10px}.floating-new span{font-size:24px;line-height:1}.communities-grid{columns:4 250px;column-gap:22px}.community-card{break-inside:avoid;margin:0 0 22px;overflow:hidden}.community-card img{width:100%;height:190px;object-fit:cover;background:#edf4ef}.community-card-body{padding:18px}.community-card h3{margin:0 0 8px;font-size:22px}.community-meta{color:var(--muted);font-size:14px;margin-bottom:16px}.community-actions{display:flex;gap:10px;flex-wrap:wrap}.chat-shell{display:grid;grid-template-columns:300px 1fr;overflow:hidden;min-height:680px}.chat-list{border-right:1px solid var(--line);background:#fffaf3;padding:14px;overflow:auto}.chat-area{display:flex;flex-direction:column;min-width:0;background:#fff}.chat-header{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}.chat-messages{flex:1;padding:22px;overflow:auto;background:linear-gradient(180deg,#fffdf9,#f7fbf8)}.msg{max-width:72%;padding:12px 14px;border-radius:18px;margin:10px 0;background:#fff;border:1px solid var(--line);box-shadow:0 8px 25px rgba(0,0,0,.04)}.msg.me{margin-left:auto;background:#eaf7ef;border-color:#cde8d8}.msg-head{display:flex;gap:8px;align-items:center;font-weight:800;font-size:13px;margin-bottom:5px}.msg-role{color:var(--muted);font-weight:700}.msg-time{font-size:11px;color:var(--muted);margin-left:auto}.msg-check{color:#159c61;font-weight:900;margin-left:7px}.reply-box{border-left:4px solid var(--green);background:rgba(18,100,71,.08);padding:8px 10px;border-radius:10px;margin-bottom:8px;font-size:13px}.chat-compose{border-top:1px solid var(--line);padding:14px;display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:end;background:#fffaf5}.chat-compose textarea{height:54px;resize:none}.upload-btn{width:52px;height:52px;border-radius:50%;border:1px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer;font-size:24px;color:var(--green)}.upload-btn input{display:none}.room-link{display:flex;gap:10px;align-items:center;padding:12px;border-radius:16px;color:var(--text);border:1px solid transparent}.room-link:hover,.room-link.active{background:#fff;border-color:var(--line)}.mini-avatar{width:42px;height:42px;border-radius:50%;object-fit:cover}.community-chat-shell{display:flex;flex-direction:column;min-height:720px}.community-alert{background:#fff7e1;border:1px solid #f2d289;color:#6b4d00;border-radius:18px;padding:14px 18px;margin-bottom:16px;font-weight:800}.reply-target{display:none;background:#eaf7ef;border:1px solid #cde8d8;padding:10px 12px;border-radius:14px;margin:0 14px 10px}.reply-target.active{display:flex;justify-content:space-between;gap:10px}.reply-btn{background:transparent;border:0;color:var(--green);font-weight:900;cursor:pointer}.profile-grid{display:grid;grid-template-columns:280px 1fr;gap:22px}.profile-side{padding:24px;text-align:center}.profile-side img{width:170px;height:170px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:6px solid #fff}.profile-content{padding:24px}.details-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.detail{padding:14px;border:1px solid var(--line);border-radius:16px;background:#fff}.detail span{display:block;color:var(--muted);font-size:13px}.detail strong{display:block;margin-top:4px}.edit-section{margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}@media(max-width:1100px){.filters-bar{grid-template-columns:repeat(3,1fr)}.teachers-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.chat-shell{grid-template-columns:1fr}.chat-list{border-right:0;border-bottom:1px solid var(--line);max-height:220px}.platform-header{align-items:flex-start}.main-nav{justify-content:flex-end}}@media(max-width:820px){.platform-header{flex-direction:column}.main-nav{width:100%;justify-content:flex-start}.platform-main{width:min(100% - 20px,1180px);padding-top:18px}.form-grid,.form-grid.two,.filters-bar,.details-grid,.profile-grid{grid-template-columns:1fr}.teachers-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.page-title{display:block}.msg{max-width:92%}.chat-compose{grid-template-columns:auto 1fr}.chat-compose .btn{grid-column:1/-1}.communities-grid{columns:2 220px}}@media(max-width:560px){.teachers-grid{grid-template-columns:1fr}.communities-grid{columns:1}.main-nav>a span{display:none}.main-nav>a:not(.nav-icon-link) span{display:inline}.main-nav>a{padding:10px 12px}.nav-icon-link{width:48px;justify-content:center}.teacher-card{min-height:auto}}
.community-chat-shell .chat-compose{grid-template-columns:minmax(0,1fr) 150px;gap:14px;align-items:center;padding:16px 18px;border-top:1px solid var(--line);background:#fffaf5}
.community-chat-shell .chat-compose textarea{width:100%;min-height:56px;height:56px;max-height:130px;resize:none;overflow:auto;border-radius:18px;padding:14px 16px;line-height:1.35;font-size:16px}
.community-chat-shell .chat-compose .btn{height:56px;width:150px;border-radius:999px;font-weight:900;display:flex;align-items:center;justify-content:center}
@media(max-width:640px){.community-chat-shell .chat-compose{grid-template-columns:1fr;gap:10px}.community-chat-shell .chat-compose .btn{width:100%;height:52px}.community-chat-shell .chat-compose textarea{height:58px}}
.teacher-country{font-size:13px;color:var(--muted);margin:0}
.review-cells{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:6px}
.review-cells span{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;text-align:center;font-weight:800;color:var(--green)}
.provider-filters{grid-template-columns:repeat(6,1fr)}
@media(max-width:1100px){.provider-filters{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.provider-filters{grid-template-columns:1fr}.filters-bar{grid-template-columns:1fr}}