:root{--accent:#7754b8;--accent-soft:#f1eafa;--bg:#f7f6fb;--panel:#fff;--text:#282437;--muted:#777486;--line:#e9e6ef;--shadow:0 8px 32px #3830500d}*{box-sizing:border-box}body{margin:0;font:15px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}[hidden]{display:none!important}.shell{min-height:100vh}.top{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(22px,calc((100vw - 1200px)/2));background:var(--panel);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px}.brand strong{font-size:21px;display:block}.brand small{color:var(--muted);font-size:12px}.brand-icon{width:42px;height:42px;background:var(--accent);color:#fff;display:grid;place-items:center;border-radius:14px;font-size:30px}.topright{display:flex;align-items:center;gap:10px}.local-badge{font-size:12px;color:var(--muted)}.content{max-width:1200px;margin:auto;padding:32px 22px 140px}.page{display:none}.page.active{display:block}.heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:23px}.heading h1{font-size:30px;letter-spacing:-.8px;margin:3px 0}.heading p{margin:0;color:var(--muted)}.eyebrow{font-size:11px;font-weight:800;letter-spacing:1.8px;color:var(--accent)}.primary,.soft,.weekbuttons button,.monthbar button{border:1px solid var(--line);padding:10px 16px;border-radius:12px;background:var(--panel);color:var(--text)}.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:700}.soft:hover,.weekbuttons button:hover{border-color:var(--accent)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px;margin:16px 0;box-shadow:var(--shadow)}.panel h2{font-size:17px;margin:0 0 17px}.weekbar,.monthbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.weekbar{background:var(--panel);padding:15px;border:1px solid var(--line);border-radius:16px;font-weight:700}.weekbuttons{display:flex;gap:6px}.weekbuttons button{padding:6px 12px}.overview-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:20px;background:var(--panel);box-shadow:var(--shadow)}.schedule{min-width:780px}.schedule-row{display:grid;grid-template-columns:155px repeat(7,minmax(89px,1fr))}.schedule-row>*{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 8px;min-height:84px}.schedule-head>*{min-height:56px;background:var(--accent-soft);font-size:12px;text-align:center;font-weight:700}.schedule-head .today{color:var(--accent)}.member-label{display:flex;align-items:center;gap:9px;font-weight:700}.avatar,.bigavatar{background:var(--accent-soft);color:var(--accent);border-radius:50%;width:32px;height:32px;display:grid;place-items:center;flex-shrink:0;font-weight:800;overflow:hidden}.avatar img,.bigavatar img{width:100%;height:100%;object-fit:cover}.bigavatar{width:76px;height:76px;font-size:28px}.slot{background:var(--accent-soft);color:var(--text);padding:7px 8px;border-radius:9px;margin-bottom:6px;font-size:12px;line-height:1.35}.slot b{display:block;color:var(--accent);font-size:11px}.empty-cell{color:#d4d0dc;text-align:center}.hint{color:var(--muted);font-size:12px;line-height:1.6;margin-top:12px}.monthbar{justify-content:center}.monthbar h2{min-width:180px;text-align:center;margin:0}.month-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}.month-day,.month-weekday{padding:10px 5px;min-height:74px;border-radius:10px;text-align:center}.month-weekday{min-height:0;font-size:12px;color:var(--muted);font-weight:700}.month-day{background:var(--bg);font-size:13px}.month-day.dim{opacity:.3}.month-day.today{outline:2px solid var(--accent)}.dots{font-size:10px;color:var(--accent);display:block}.entries{display:flex;flex-direction:column;gap:9px}.entry{border:1px solid var(--line);border-radius:13px;padding:12px 14px;display:flex;align-items:center;gap:12px}.entry-main{flex:1;min-width:0}.entry-main strong{display:block}.entry-main small{color:var(--muted);display:block}.entry-actions{display:flex;gap:5px}.entry-actions button{border:0;border-radius:8px;padding:7px 9px;background:var(--accent-soft);color:var(--accent)}.pill{background:var(--accent-soft);color:var(--accent);border-radius:99px;padding:4px 10px;font-size:12px}.personal-title{display:flex;align-items:center;justify-content:space-between}.personal-title h2{margin:0 0 12px}.bottomnav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:center;gap:5px;background:var(--panel);border-top:1px solid var(--line);padding:10px 12px max(12px,env(safe-area-inset-bottom));box-shadow:0 -4px 25px #0000000a;z-index:5}.bottomnav button{background:transparent;border:0;border-radius:13px;min-width:90px;padding:9px 11px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:2px}.bottomnav button span{font-size:22px;line-height:1}.bottomnav button small{font-size:11px;white-space:nowrap}.bottomnav button.active{color:var(--accent);background:var(--accent-soft);font-weight:800}.chat-layout{display:grid;grid-template-columns:290px 1fr;gap:16px}.chat-layout .panel{margin:0}.contact{display:flex;align-items:center;gap:10px;width:100%;padding:10px;border:0;background:transparent;text-align:left;border-radius:12px;color:var(--text)}.contact.selected{background:var(--accent-soft)}.chat-room{display:flex;flex-direction:column;min-height:420px}.chat-title{font-weight:800;border-bottom:1px solid var(--line);padding-bottom:13px}.messages{flex:1;min-height:280px;max-height:420px;overflow-y:auto;padding:15px 0;display:flex;flex-direction:column;gap:8px}.message{max-width:80%;padding:9px 12px;background:var(--bg);border-radius:12px;align-self:flex-start}.message.own{align-self:flex-end;background:var(--accent-soft)}.message small{display:block;color:var(--muted);font-size:11px}.chat-form{display:flex;gap:8px}.chat-form input{flex:1;min-width:0}.account-panel{max-width:650px}.account-head{display:flex;gap:16px;align-items:center;margin-bottom:22px}.account-head strong{font-size:19px}.account-head p{margin:3px 0 8px;color:var(--muted)}label{display:block;font-weight:650;margin:13px 0}input,select,textarea{display:block;width:100%;padding:11px 12px;margin-top:5px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--text)}input:disabled{background:var(--bg)}.upload{display:inline-block;margin:0;font-weight:500;font-size:12px}hr{border:0;border-top:1px solid var(--line);margin:24px 0}.backdrop{position:fixed;inset:0;background:#211b33a8;z-index:10;display:flex;align-items:center;justify-content:center;padding:16px}.modal{background:var(--panel);width:min(100%,510px);border-radius:22px;padding:22px;max-height:90vh;overflow:auto}.modalhead,.modalactions{display:flex;justify-content:space-between;align-items:center;gap:10px}.modalhead h2{margin:0}.modalactions{justify-content:flex-end;margin-top:20px}.twocol{display:grid;grid-template-columns:1fr 1fr;gap:10px}.toast{position:fixed;bottom:105px;left:50%;transform:translateX(-50%);background:#292335;color:#fff;border-radius:12px;padding:10px 17px;z-index:15;display:none}.toast.show{display:block}body.dark{--bg:#17151d;--panel:#24212d;--text:#f3eef9;--muted:#b4abbf;--line:#3b3546;--accent-soft:#3a2e50;--shadow:none}body[data-color=pink]{--accent:#bc4b8a}body[data-color=blue]{--accent:#376fba}body[data-color=green]{--accent:#2c8c70}body[data-color=orange]{--accent:#c2762e}@media(max-width:800px){.top{height:65px;padding:0 15px}.local-badge{display:none}.content{padding:23px 13px 135px}.heading{align-items:flex-start}.heading h1{font-size:25px}.heading .primary{font-size:12px;padding:9px}.bottomnav{justify-content:flex-start;overflow-x:auto;gap:0;padding:7px 5px max(7px,env(safe-area-inset-bottom))}.bottomnav button{min-width:69px;padding:8px 4px;flex:1}.bottomnav button small{font-size:9px}.bottomnav button span{font-size:20px}.chat-layout{grid-template-columns:1fr}.chat-contacts{max-height:220px;overflow:auto}.chat-room{min-height:390px}.panel{padding:14px}.month-day{min-height:58px;padding:7px 2px}.weekbar{flex-wrap:wrap}}@media(max-width:420px){.bottomnav button{min-width:61px}.bottomnav button small{font-size:8px}.brand strong{font-size:18px}.weekbar{font-size:13px}}

/* V3: desktop full-width, stable mobile app shell */
html,body{width:100%;max-width:100%;overflow-x:hidden}
.shell{height:100dvh;min-height:0;display:flex;flex-direction:column;overflow:hidden}
.top{flex:0 0 76px;position:relative;z-index:6;padding:0 24px;width:100%;max-width:none}
.content{flex:1;min-height:0;width:100%;max-width:none;overflow-y:auto;overscroll-behavior-y:contain;padding:28px 24px 30px;margin:0;-webkit-overflow-scrolling:touch}
.bottomnav{position:relative;flex:0 0 auto;bottom:auto;left:auto;right:auto;width:100%;padding-bottom:max(10px,env(safe-area-inset-bottom))}
.account-panel{max-width:none;width:100%}
#page-account .account-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px;align-items:start}
#page-account .account-head,#page-account .account-panel>hr,#page-account .account-panel>h2,#page-account .account-panel>.hint{grid-column:1/-1}
#page-account .account-panel>hr{width:100%}
.color-control{display:flex;gap:12px;align-items:center}
.color-control input[type=color]{flex:0 0 74px;width:74px;height:49px;padding:4px;cursor:pointer}
.color-control input[type=text]{flex:1;min-width:0;text-transform:uppercase}
.member-entry{display:grid;grid-template-columns:38px minmax(0,1fr) minmax(250px,430px);gap:14px;align-items:center}
.member-identity{overflow-wrap:anywhere;min-width:0}
.member-identity strong,.member-identity small{display:block;white-space:normal}
.member-controls{display:flex;align-items:center;gap:9px;min-width:0}
.member-controls select{min-width:0;flex:1;width:auto;margin:0}
.member-controls button{flex-shrink:0}
.chore-week{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.chore-day{margin:0;min-width:0}
.chore-day-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.chore-day-head h2{margin:0}
.chore-items{display:flex;flex-direction:column;gap:8px}
.chore-item{display:flex;align-items:center;gap:8px;padding:10px;border:1px solid var(--line);border-radius:12px;min-width:0}
.chore-task{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0;text-align:left;background:none;border:0;padding:2px;color:var(--text)}
.chore-task strong{overflow-wrap:anywhere}.chore-task small{color:var(--muted)}.chore-action{font-size:11px;color:var(--accent);font-weight:700}
.lunar-day{display:block;font-size:10px;color:var(--muted);line-height:1.1}
@media(max-width:800px){
 .shell{height:100dvh}
 .top{flex-basis:66px;height:66px;padding:0 14px}
 .content{padding:18px 12px 18px;overflow-x:hidden}
 .bottomnav{flex-shrink:0;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));overflow:visible;gap:0;padding:6px 2px max(7px,env(safe-area-inset-bottom));justify-content:stretch}
 .bottomnav button{min-width:0;width:100%;padding:6px 0;gap:3px;flex:initial;overflow:hidden}
 .bottomnav button span{font-size:18px}.bottomnav button small{font-size:9px;line-height:1.12;white-space:normal;overflow-wrap:anywhere;text-align:center;min-height:20px}
 .bottomnav button[hidden]{display:none!important}
 .bottomnav:has(.admin-nav[hidden]){grid-template-columns:repeat(6,minmax(0,1fr))}
 .chore-week{grid-template-columns:1fr}
 .member-entry{grid-template-columns:34px minmax(0,1fr);gap:9px}
 .member-controls{grid-column:1/-1;display:flex;width:100%;padding-left:0}
 .member-controls select{max-width:none}
 #page-account .account-panel{display:block}
 .account-panel{max-width:none}
 .month-day{min-height:62px}
 .heading{flex-wrap:wrap}
 .heading .primary{max-width:100%}
 .weekbar{flex-wrap:wrap}
 .schedule{min-width:780px}
}
@media(max-width:390px){.bottomnav button small{font-size:8px}.bottomnav button span{font-size:17px}.brand small{font-size:11px}.brand strong{font-size:18px}}

/* V4: chỉ giới hạn tràn ngang trong màn hình Lịch riêng trên điện thoại. */
#page-personal,#page-personal .panel,#page-personal .heading,#page-personal .entries,#page-personal .entry,#page-personal .entry-main{min-width:0;max-width:100%}
#page-personal .entry-main strong,#page-personal .entry-main small{overflow-wrap:anywhere;word-break:break-word}
#personal-repeat-fields .repeat-help{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:4px}
@media(max-width:800px){
 #page-personal{width:100%;overflow-x:clip;touch-action:pan-y}
 #page-personal .heading{min-width:0;max-width:100%;overflow-wrap:anywhere}
 #page-personal .heading>div{min-width:0;flex:1 1 180px}
 #page-personal .panel{overflow-x:clip}
 #page-personal .entry{width:100%;flex-wrap:wrap}
 #page-personal .entry-actions{flex:0 0 auto}
 #page-personal .personal-title{min-width:0;gap:8px;flex-wrap:wrap}
 #page-personal .personal-title h2{min-width:0;overflow-wrap:anywhere}
}

/* V5: màu sự kiện và tên lịch được nhớ riêng theo tài khoản demo */
#page-personal .entry{border-left:5px solid var(--event-color,var(--accent))}
.slot{border-left:4px solid var(--event-color,var(--accent));background:color-mix(in srgb,var(--event-color,var(--accent)) 13%,var(--panel))}
.slot b{color:var(--event-color,var(--accent))}
.personal-color-picker{display:flex;align-items:center;gap:12px;min-width:0}
.personal-color-picker input[type=color]{width:66px;min-width:66px;height:46px;padding:3px}
.saved-colors{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0}
.saved-color-chip{border:1px solid var(--line);background:var(--panel);color:var(--text);padding:7px 10px;border-radius:100px;display:flex;align-items:center;gap:7px}
.color-dot{display:inline-block;width:14px;height:14px;border-radius:50%;flex-shrink:0}
.saved-title-head{margin-top:24px}.saved-title-head h2{margin-bottom:0}
.saved-color-row{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:12px;padding:9px;margin:7px 0;min-width:0}
.saved-color-row strong{flex:1;min-width:0;overflow-wrap:anywhere}
.saved-color-row input[type=color]{width:48px;min-width:48px;height:37px;padding:3px;margin:0}
.saved-color-row button{flex-shrink:0}
:root[data-font=rounded] body{font-family:ui-rounded,'Arial Rounded MT Bold',system-ui,sans-serif}
:root[data-font=serif] body{font-family:Georgia,'Times New Roman',serif}
:root[data-font=system] body{font-family:system-ui,-apple-system,'Segoe UI',sans-serif}
:root[data-font-size=small] body{font-size:13px}
:root[data-font-size=normal] body{font-size:15px}
:root[data-font-size=large] body{font-size:17px}
:root[data-font-size=xlarge] body{font-size:19px}
@media(max-width:800px){
 /* iOS: khóa cuộn ngang của trang, chỉ phần nội dung được cuộn dọc. */
 html,body{height:100%;overflow:hidden;overscroll-behavior:none}
 body.view-personal .shell{height:100dvh;width:100%;overflow:hidden;touch-action:pan-y}
 body.view-personal .top,body.view-personal .bottomnav{flex-shrink:0;touch-action:manipulation}
 body.view-personal .content{width:100%;min-width:0;max-width:100%;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;touch-action:pan-y;-webkit-overflow-scrolling:touch}
 body.view-personal #page-personal{width:100%;max-width:100%;min-width:0;overflow:visible;touch-action:pan-y}
 body.view-personal #page-personal .panel,body.view-personal #page-personal .entries{min-width:0;max-width:100%;overflow-x:hidden}
 body.view-personal #page-personal .entry{min-width:0;max-width:100%;flex-wrap:wrap}
 body.view-personal #page-personal .entry-main{min-width:0;flex-basis:160px}
 body.view-personal #page-personal .entry-actions{flex-shrink:0}
 .saved-color-row{flex-wrap:wrap}
 /* Ngăn Safari tự phóng to khi chạm vào ô nhập. */
 input,select,textarea{font-size:max(16px,1em)}
}

/* V6 — Only account font selector and global font preferences. */
:root[data-font="arial"] body{font-family:Arial,Helvetica,sans-serif}
:root[data-font="mono"] body{font-family:ui-monospace,SFMono-Regular,Consolas,'Liberation Mono',monospace}
:root[data-font="inter"] body{font-family:'Inter',system-ui,sans-serif}
:root[data-font="be-vietnam"] body{font-family:'Be Vietnam Pro',system-ui,sans-serif}
:root[data-font="quicksand"] body{font-family:'Quicksand',system-ui,sans-serif}
:root[data-font="nunito"] body{font-family:'Nunito',system-ui,sans-serif}
:root[data-font="montserrat"] body{font-family:'Montserrat',system-ui,sans-serif}
:root[data-font="poppins"] body{font-family:'Poppins',system-ui,sans-serif}
:root[data-font="lora"] body{font-family:'Lora',Georgia,serif}
:root[data-font="playfair"] body{font-family:'Playfair Display',Georgia,serif}
:root[data-font="dancing"] body{font-family:'Dancing Script','Segoe Script',cursive}
:root[data-font="caveat"] body{font-family:'Caveat','Segoe Print',cursive}
:root[data-font="pacifico"] body{font-family:'Pacifico','Segoe Script',cursive}
:root[data-font="lobster"] body{font-family:'Lobster',Georgia,cursive}
:root[data-font="patrick"] body{font-family:'Patrick Hand','Comic Sans MS',cursive}
:root[data-font="italic"] body{font-family:system-ui,-apple-system,'Segoe UI',sans-serif;font-style:italic}
:root[data-font="italic-serif"] body{font-family:Georgia,'Times New Roman',serif;font-style:italic}
/* Form fields retain legibility, including with artistic fonts. */
:root[data-font="pacifico"] input,:root[data-font="pacifico"] textarea,:root[data-font="lobster"] input,:root[data-font="lobster"] textarea{font-family:system-ui,sans-serif}
.font-help{display:block;font-weight:400;color:var(--muted);font-size:12px;line-height:1.5;margin-top:6px}
.font-preview{border:1px solid var(--line);border-radius:14px;background:var(--bg);padding:13px 16px;margin:12px 0;display:flex;flex-direction:column;gap:5px;min-width:0;overflow-wrap:anywhere}
.font-preview span{font:12px/1.5 system-ui,sans-serif;color:var(--muted)}
.font-preview strong{font-size:1.3em;font-weight:700}
.font-preview small{font-size:.9em;color:var(--muted)}

/* V7: màn hình xác thực tách khỏi shell, không đổi bố cục V6 */
[hidden]{display:none!important}
.auth-screen{position:fixed;inset:0;z-index:200;background:linear-gradient(145deg,#f0e9ff,#faf9ff);overflow:auto;display:grid;place-items:center;padding:24px}
.auth-card{width:min(100%,440px);background:#fff;border-radius:24px;box-shadow:0 16px 50px #44346625;padding:28px;display:grid;gap:12px;color:#26213b}
.auth-card h1,.auth-card p{text-align:center;margin:0}.auth-card label{display:grid;gap:6px;font-size:14px;font-weight:600}.auth-card input{width:100%;padding:12px;border:1px solid #d5d0e3;border-radius:10px;font-size:16px}
.auth-card form{display:grid;gap:14px}.auth-card .primary{width:100%;padding:13px}.auth-logo{text-align:center;font-size:48px;color:#7754b8}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.auth-tabs button{border:1px solid #ddd5ef;border-radius:10px;padding:10px;background:#f8f5ff}.auth-tabs button.chosen{background:#7754b8;color:white}
#auth-message{color:#8e2453;font-size:14px;min-height:22px}.auth-foot{font-size:12px;color:#777}
#logout-button{width:100%;margin-top:12px}

/* Hiện/ẩn mật khẩu */
.password-field{display:block;position:relative;width:100%}
.password-field input{width:100%;padding-right:49px!important;box-sizing:border-box}
.password-field .password-toggle{position:absolute;right:5px;top:50%;transform:translateY(-50%);display:flex;align-items:center;justify-content:center;width:40px;height:40px;min-height:0;padding:0;border:0;background:transparent;color:#7754b8;border-radius:10px;cursor:pointer;z-index:1}
.password-field .password-toggle:hover{background:rgba(119,84,184,.10)}
.password-field .password-toggle:focus-visible{outline:2px solid #7754b8;outline-offset:1px}

.repeat-weekdays{border:1px solid var(--line);border-radius:12px;margin:12px 0;padding:12px}.repeat-weekdays legend{font-weight:700;padding:0 5px}.repeat-weekdays-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px}.repeat-weekdays-grid label{display:flex;align-items:center;justify-content:center;gap:4px;border:1px solid var(--line);border-radius:9px;padding:9px 3px;margin:0;font-size:12px;cursor:pointer}.repeat-weekdays-grid input{width:auto;margin:0;accent-color:var(--accent)}@media(max-width:400px){.repeat-weekdays-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}