@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--bg:#f4f7f6;--surface:#fff;--surface2:#f7faf9;--text:#182522;--muted:#81908b;--line:#e8eeeb;--green:#13a884;--green2:#0b8f70;--soft:#e7f7f1;--shadow:0 18px 55px rgba(25,67,53,.09)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;min-height:100vh}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{height:76px;padding:0 clamp(20px,6vw,92px);display:flex;align-items:center;justify-content:space-between;background:var(--surface);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font:800 22px Manrope,sans-serif;letter-spacing:-.8px}.brand-mark{width:34px;height:34px;border-radius:12px;background:var(--green);color:#fff;display:grid;place-items:center;font:800 24px Manrope}.top-actions{display:flex;align-items:center;gap:16px}.top-user{display:flex;align-items:center;gap:9px;font-weight:600;font-size:13px}.icon-btn{border:0;background:var(--surface2);color:var(--text);width:38px;height:38px;border-radius:12px;cursor:pointer}.logout-link{font-size:13px;color:var(--muted)}.main-content{width:100%;max-width:1440px;margin:0 auto;flex:1;padding:34px clamp(16px,4vw,60px)}.footer{text-align:center;padding:18px;color:var(--muted);font-size:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;border-radius:12px;padding:11px 17px;font-weight:700;font-size:13px;cursor:pointer;transition:.2s}.btn-primary{background:var(--green);color:white}.btn-primary:hover{background:var(--green2);transform:translateY(-1px)}.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text)}.btn-large{padding:15px 20px}.btn-full{width:100%;padding:14px}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:6vw;align-items:center;min-height:620px;padding:40px 4%}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:800;color:var(--green)}h1,h2,h3{font-family:Manrope,sans-serif;letter-spacing:-1px}.hero h1{font-size:clamp(42px,5.3vw,70px);line-height:1.08;margin:18px 0}.hero h1 span{color:var(--green)}.hero-copy>p{max-width:520px;color:var(--muted);font-size:16px;line-height:1.8}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.hero-points{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:12px}.preview-wrap{position:relative;display:grid;place-items:center;min-height:440px;background:radial-gradient(circle at 50% 45%,#d9f4e9,transparent 65%);border-radius:40px}.preview-card{width:min(360px,85%);background:var(--surface);border-radius:24px;box-shadow:var(--shadow);overflow:hidden;transform:rotate(2deg)}.preview-head{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--line)}.preview-head strong,.preview-head small{display:block}.preview-head small{color:var(--green);font-size:11px;margin-top:4px}.preview-avatar{width:42px;height:42px;border-radius:50%;background:#dff3e9;color:var(--green);display:grid;place-items:center;font-weight:800}.dots{margin-left:auto;color:var(--muted)}.preview-chat{padding:26px 18px;display:flex;flex-direction:column;gap:16px;background:#f7faf8}.bubble{padding:12px 14px;border-radius:15px;max-width:85%;font-size:13px;line-height:1.5}.bubble small{display:block;text-align:right;font-size:9px;color:var(--muted);margin-top:5px}.received{background:#fff;border:1px solid var(--line);align-self:flex-start}.sent{background:#dff7ec;align-self:flex-end}.preview-compose{display:flex;justify-content:space-between;padding:17px;color:#a3afaa;font-size:12px}.preview-compose b{color:var(--green)}.floating-note{position:absolute;bottom:42px;right:2%;background:var(--surface);box-shadow:var(--shadow);border-radius:14px;padding:14px 18px;font-size:12px;font-weight:700}.online-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#21c58e;margin-right:8px}
.auth-layout{max-width:1000px;margin:45px auto;display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}.auth-aside{padding:30px}.auth-aside h1{font-size:42px;line-height:1.15}.auth-aside p,.muted{color:var(--muted);line-height:1.7}.auth-card,.profile-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow)}.auth-card h2{font-size:27px;margin:0}.form-stack{display:grid;gap:17px;margin-top:25px}.form-stack label{display:grid;gap:8px;font-size:12px;font-weight:700}.form-stack input,.form-stack textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:11px;background:var(--surface2);color:var(--text);outline:none}.form-stack input:focus,.form-stack textarea:focus,.message-form textarea:focus{border-color:var(--green)}.auth-switch{text-align:center;font-size:13px;color:var(--muted);margin:22px 0 0}.auth-switch a{color:var(--green);font-weight:700}.alert,.success{padding:12px 14px;border-radius:10px;margin-top:18px;font-size:13px;background:#fff0ee;color:#b4483e}.success{background:#e9f8ef;color:#16845e}
.messenger{height:min(760px,calc(100vh - 170px));min-height:560px;display:grid;grid-template-columns:350px 1fr;background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}.sidebar{display:flex;flex-direction:column;border-right:1px solid var(--line);min-width:0}.sidebar-heading{display:flex;justify-content:space-between;align-items:center;padding:25px 22px 18px}.sidebar-heading h2{margin:6px 0 0;font-size:25px}.round-add{width:36px;height:36px;border-radius:12px;background:var(--soft);color:var(--green);display:grid;place-items:center;font-size:23px}.search-box{margin:0 18px 18px;background:var(--surface2);border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;padding:0 12px;gap:8px;color:var(--muted)}.search-box input{border:0;outline:0;background:transparent;padding:12px 0;width:100%;color:var(--text);font-size:12px}.list-label{padding:0 22px 10px;display:flex;justify-content:space-between;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:1.4px}.list-label a{color:var(--green);letter-spacing:0}.contact-list{overflow:auto;flex:1}.contact-item{display:flex;align-items:center;gap:12px;padding:13px 18px;border-top:1px solid var(--line);transition:.15s}.contact-item:hover{background:var(--surface2)}.avatar{width:42px;height:42px;border-radius:50%;background:#e2f4eb;color:#159b78;display:inline-grid;place-items:center;font-weight:800;font-size:13px;flex-shrink:0;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.avatar.tiny{width:30px;height:30px;font-size:10px}.avatar.large{width:54px;height:54px;font-size:17px}.avatar.xl{width:82px;height:82px;font-size:25px}.contact-info{min-width:0;flex:1}.contact-info strong,.contact-info small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.contact-info strong{font-size:13px}.contact-info small{font-size:11px;color:var(--muted);margin-top:5px}.contact-meta{display:flex;align-items:flex-end;flex-direction:column;gap:7px;color:var(--muted);font-size:10px}.unread{background:var(--green);color:#fff;border-radius:20px;padding:3px 7px}.sidebar-bottom{border-top:1px solid var(--line);padding:15px 18px;display:flex;align-items:center;gap:10px}.sidebar-bottom span:nth-child(2){flex:1}.sidebar-bottom strong,.sidebar-bottom small{display:block;font-size:12px}.sidebar-bottom small{color:var(--muted);margin-top:3px}.more-link{color:var(--muted);letter-spacing:2px}.welcome-panel{display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:30px}.welcome-panel h2{font-size:24px;max-width:400px;margin:22px 0 8px}.welcome-panel p{color:var(--muted);font-size:13px;max-width:370px;line-height:1.6}.welcome-art{width:230px;height:190px;position:relative;display:grid;place-items:center;background:radial-gradient(circle,#e1f7ed,transparent 70%)}.art-circle{width:120px;height:120px;border-radius:42px;background:var(--green);color:white;display:grid;place-items:center;font:800 78px Manrope;transform:rotate(-9deg);box-shadow:0 18px 35px #13a88444}.art-bubble{position:absolute;background:var(--surface);padding:10px 14px;border-radius:12px;box-shadow:var(--shadow);font-size:11px;font-weight:700}.bubble-one{top:12px;left:0}.bubble-two{right:0;top:40px;font-size:20px}.bubble-three{bottom:5px;right:10px}
.empty-list{text-align:center;padding:45px 20px;color:var(--muted)}.empty-list strong{display:block;color:var(--text);margin-top:12px}.empty-list p{font-size:12px;line-height:1.5}.empty-icon{font-size:28px;color:var(--green)}
.people-page{max-width:950px;margin:20px auto}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.page-heading h1{font-size:34px;margin:8px 0}.people-search{max-width:650px;margin:0 0 25px}.people-search .btn{margin:5px}.people-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.person-card{display:flex;align-items:center;gap:13px;padding:17px;background:var(--surface);border:1px solid var(--line);border-radius:15px}.person-info{flex:1;min-width:0}.person-info strong,.person-info small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.person-info strong{font-size:13px}.person-info small,.person-info p{font-size:11px;color:var(--muted);margin:4px 0}.person-card .btn{padding:9px 12px}.empty-state{padding:30px;color:var(--muted)}
.chat-layout{height:min(760px,calc(100vh - 170px));min-height:560px;display:grid;grid-template-columns:260px 1fr;background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}.chat-sidebar{border-right:1px solid var(--line);padding:20px}.back-link{font-size:12px;color:var(--green);font-weight:700}.chat-person{text-align:center;padding:35px 0 25px}.chat-person .avatar{margin:0 auto 12px}.chat-person h3{font-size:18px;margin:8px 0}.chat-person p{font-size:12px;color:var(--muted)}.profile-detail{border-top:1px solid var(--line);padding:16px 0;display:grid;gap:7px}.profile-detail small{font-size:9px;letter-spacing:1.3px;color:var(--muted);font-weight:800}.profile-detail span{font-size:12px;overflow-wrap:anywhere}.chat-main{display:flex;flex-direction:column;min-width:0}.chat-header{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:0 22px}.chat-header>div{flex:1}.chat-header strong,.chat-header small{display:block}.chat-header strong{font-size:13px}.chat-header small{font-size:10px;color:var(--green);margin-top:4px}.messages-area{flex:1;overflow:auto;padding:24px clamp(15px,5vw,65px);background-color:var(--surface2);background-image:radial-gradient(#dbe9e2 0.7px,transparent .7px);background-size:18px 18px}.message-loading{text-align:center;color:var(--muted);font-size:12px;padding:30px}.message-row{display:flex;margin:10px 0}.message-row.mine{justify-content:flex-end}.message-bubble{max-width:min(75%,520px);background:var(--surface);border:1px solid var(--line);padding:11px 14px;border-radius:15px 15px 15px 4px;font-size:13px;line-height:1.55;overflow-wrap:anywhere;box-shadow:0 3px 10px #172f2310}.mine .message-bubble{background:#ddf6e9;border-color:#d2eddf;border-radius:15px 15px 4px 15px}.message-bubble small{display:block;text-align:right;color:#83938c;font-size:9px;margin-top:5px}.message-form{display:flex;align-items:center;gap:10px;padding:15px 20px;border-top:1px solid var(--line);background:var(--surface)}.message-form textarea{flex:1;resize:none;max-height:100px;border:1px solid var(--line);border-radius:13px;padding:12px 14px;outline:none;background:var(--surface2);color:var(--text);font-size:13px}.attach-btn,.send-btn{border:0;cursor:pointer}.attach-btn{font-size:22px;background:transparent;color:var(--muted)}.send-btn{width:42px;height:42px;border-radius:13px;background:var(--green);color:white;font-size:18px}.profile-page{max-width:560px;margin:25px auto}.profile-card{text-align:center}.profile-card h1{font-size:30px;margin:8px}.profile-avatar{margin-top:25px}.profile-avatar .avatar{margin:auto}.profile-card .form-stack{text-align:left}.profile-card .profile-detail{text-align:left;margin-top:25px}
body.dark{--bg:#111b18;--surface:#192521;--surface2:#202f29;--text:#e6f0eb;--muted:#9aaba3;--line:#2c3c35;--soft:#203d32;--shadow:0 18px 55px rgba(0,0,0,.2)}body.dark .preview-chat{background:#202f29}body.dark .received{background:#25352e;border-color:#34483e}body.dark .sent,body.dark .mine .message-bubble{background:#234c3b;border-color:#315c49}body.dark .messages-area{background-image:radial-gradient(#2d4037 .7px,transparent .7px)}body.dark .art-bubble{color:#182522}
@media(max-width:850px){.hero{grid-template-columns:1fr;padding:30px 2%;gap:20px}.preview-wrap{min-height:370px}.auth-layout{grid-template-columns:1fr;gap:15px;margin:15px auto}.auth-aside{padding:20px}.auth-aside h1{font-size:32px}.messenger{grid-template-columns:300px 1fr}.chat-layout{grid-template-columns:190px 1fr}.chat-sidebar{padding:15px}}
@media(max-width:620px){.topbar{height:64px;padding:0 15px}.top-actions{gap:9px}.top-user span:not(.avatar),.logout-link{display:none}.main-content{padding:15px 10px}.hero{min-height:auto;padding:35px 10px}.hero h1{font-size:43px}.hero-copy>p{font-size:14px}.hero-points{gap:10px;font-size:10px}.preview-wrap{min-height:330px}.auth-layout{margin:10px auto}.auth-card{padding:24px 20px}.messenger{height:calc(100vh - 125px);min-height:520px;grid-template-columns:1fr}.messenger .sidebar{border-right:0}.messenger .welcome-panel{display:none}.sidebar-heading{padding:16px}.contact-list{max-height:none}.chat-layout{height:calc(100vh - 125px);min-height:520px;grid-template-columns:1fr}.chat-sidebar{display:none}.chat-header{height:65px;padding:0 14px}.messages-area{padding:15px 12px}.message-form{padding:10px}.message-bubble{max-width:88%}.people-grid{grid-template-columns:1fr}.page-heading{align-items:flex-start;gap:10px}.page-heading h1{font-size:28px}.person-card{padding:12px}.person-card .btn{font-size:11px}.footer{font-size:10px}.people-search{margin-bottom:15px}}

.admin-crown{font-size:25px;color:var(--green);background:var(--soft);width:38px;height:38px;border-radius:12px;display:grid;place-items:center}.secure-label{font-size:9px;letter-spacing:1px;font-weight:800;color:var(--green);background:var(--soft);padding:7px 10px;border-radius:20px}.notification-hint{font-size:11px!important;margin-top:8px!important}.toast-area{position:fixed;right:22px;bottom:22px;z-index:50;display:grid;gap:9px;max-width:min(360px,calc(100vw - 30px))}.toast{background:#173d30;color:#fff;padding:14px 17px;border-radius:12px;box-shadow:0 12px 30px #0002;font-size:12px;line-height:1.5}

/* Media attachments and profile gallery */
.chat-media{display:block;max-width:min(100%,360px);max-height:360px;width:auto;height:auto;object-fit:contain;border-radius:10px;margin:2px 0 7px}.message-bubble:has(.chat-media){padding:8px 10px}.message-form{position:relative}.attach-btn{display:flex;align-items:center;justify-content:center;width:38px;height:40px;font-size:27px;color:var(--green);cursor:pointer;flex:0 0 auto}.attach-btn input{display:none}.attachment-name{font-size:10px;color:var(--muted);max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.send-btn:disabled{opacity:.55;cursor:wait}.gallery-section{margin-top:28px;text-align:left;border-top:1px solid var(--line);padding-top:22px}.gallery-section h2{font-size:20px;margin:0 0 6px}.gallery-upload{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:16px 0}.gallery-upload input{min-width:0;max-width:100%;font-size:12px}.profile-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:15px}.gallery-item{border:1px solid var(--line);border-radius:13px;padding:8px;min-width:0}.gallery-item img{width:100%;height:140px;object-fit:cover;border-radius:8px}.gallery-item button{width:100%;margin-top:7px;font-size:11px;padding:9px 5px}.attachment-name:empty{display:none}
@media(max-width:620px){.message-form{gap:6px;padding:8px}.attach-btn{width:30px}.attachment-name{max-width:75px}.chat-media{max-width:100%;max-height:280px}.profile-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
.notify-chat-btn{border:1px solid var(--line);background:var(--surface2);color:var(--text);border-radius:10px;padding:8px 10px;font-size:11px;cursor:pointer;white-space:nowrap}.chat-header .notification-hint{font-size:9px;max-width:100px;color:var(--muted)}