:root{--main:#2563eb;--main2:#0f766e;--dark:#0f172a;--bg:#f3f6fb;--text:#172033;--muted:#64748b;--line:#e2e8f0;--card:#fff;--soft:#eef6ff;--danger:#dc2626;--ok:#16a34a;--shadow:0 18px 45px rgba(15,23,42,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);font-size:15px}a{color:var(--main);text-decoration:none}.sidebar{position:fixed;inset:0 auto 0 0;width:270px;background:linear-gradient(180deg,#0f172a,#111827);padding:20px 16px;color:#fff;z-index:40}.brand{height:48px;display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;margin-bottom:18px}.brand-logo{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--main),var(--main2));display:grid;place-items:center}.menu-title{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#94a3b8;margin:20px 12px 8px}.sidebar a{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:14px;color:#cbd5e1;margin:5px 0;font-weight:600}.sidebar a:hover,.sidebar a.active{background:#fff;color:#0f172a;box-shadow:0 10px 26px rgba(0,0,0,.12)}.main{margin-left:270px;min-height:100vh}.auth-main{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eff6ff,#f8fafc)}.top{height:78px;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:20}.top h1{margin:2px 0 0;font-size:22px}.page-kicker{margin:0;color:var(--muted);font-size:13px}.page-content{padding:24px}.mobile-bar{display:none}.overlay{display:none}.user-menu{position:relative}.user-btn{border:1px solid var(--line);background:#fff;color:var(--dark);border-radius:999px;padding:8px 12px;display:flex;align-items:center;gap:9px;cursor:pointer;margin:0;box-shadow:0 8px 20px rgba(15,23,42,.05)}.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--main);font-weight:800}.user-dropdown{display:none;position:absolute;right:0;top:48px;width:230px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.user-menu:hover .user-dropdown,.user-menu:focus-within .user-dropdown{display:block}.user-dropdown a{display:block;padding:13px 15px;color:var(--text)}.user-dropdown a:hover{background:#f8fafc}.user-dropdown .danger{color:var(--danger)}.panel,.auth-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}.auth-card{width:min(420px,92vw)}label{display:block;margin-top:13px;font-weight:700;color:#1e293b}.field-note,.hint{color:var(--muted);font-size:13px;line-height:1.55}input,select,textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:12px;margin-top:7px;background:#fff;color:var(--text);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--main);box-shadow:0 0 0 4px rgba(37,99,235,.12)}textarea{min-height:110px}button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;background:linear-gradient(135deg,var(--main),#1d4ed8);color:#fff;padding:12px 18px;border-radius:12px;margin-top:15px;cursor:pointer;font-weight:700;box-shadow:0 10px 22px rgba(37,99,235,.22)}.btn.secondary,button.secondary{background:#fff;color:var(--main);border:1px solid var(--line);box-shadow:none}.alert{background:#fef2f2;color:#991b1b;padding:12px;border-radius:12px}.ok{background:#ecfdf5;color:#065f46;padding:12px;border-radius:12px}.actions{margin-bottom:16px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.inline{display:flex;gap:10px;align-items:end}.inline input{max-width:280px}table{width:100%;border-collapse:separate;border-spacing:0}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#f8fafc}th,td{text-align:left;padding:14px;border-bottom:1px solid var(--line)}tr:last-child td{border-bottom:0}.dot{display:inline-block;width:18px;height:18px;border-radius:50%;vertical-align:middle;margin-right:8px}.badge{padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700}.todo{background:#fef3c7;color:#92400e}.doing{background:#dbeafe;color:#1d4ed8}.done{background:#dcfce7;color:#166534}.check{display:flex;align-items:center;gap:10px;margin-top:0}.check input{width:auto;margin:0}.section-title{font-size:18px;margin:0 0 6px}.muted{color:var(--muted)}
@media(max-width:900px){.mobile-bar{display:flex;position:sticky;top:0;z-index:35;height:58px;background:#fff;border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:0 14px}.menu-toggle{width:40px;height:40px;border-radius:12px;padding:0;margin:0;box-shadow:none}.sidebar{transform:translateX(-105%);transition:.25s ease;width:285px}.menu-open .sidebar{transform:translateX(0)}.overlay{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:30}.menu-open .overlay{display:block}.main{margin-left:0}.top{height:auto;padding:16px;gap:12px}.top h1{font-size:19px}.page-content{padding:14px}.grid,.grid-3,.inline{display:block}.panel{padding:16px;border-radius:18px}.user-btn span:nth-child(2){display:none}table{display:block;overflow:auto;white-space:nowrap}.auth-card{margin:14px}}
/* v1.9 responsive polish + mobile reminder */
:root{--main:#2563eb;--main2:#06b6d4;--accent:#f59e0b;--success:#10b981;--purple:#8b5cf6;--bg:#f4f7fb;--text:#111827;--muted:#64748b;--line:#e5e7eb;--card:#fff;--soft:#eff6ff;--shadow:0 18px 55px rgba(15,23,42,.10)}
body{background:radial-gradient(circle at top left,#e0f2fe 0,#f4f7fb 34%,#f8fafc 100%)}
.top{background:rgba(255,255,255,.82);box-shadow:0 8px 30px rgba(15,23,42,.05)}
.sidebar{background:linear-gradient(180deg,#0f172a 0%,#1e293b 52%,#0f766e 145%)}
.brand-logo{background:linear-gradient(135deg,#38bdf8,#2563eb)}
button,.btn{background:linear-gradient(135deg,#2563eb,#0891b2);box-shadow:0 12px 24px rgba(37,99,235,.22)}
button:hover,.btn:hover{filter:brightness(1.02);transform:translateY(-1px)}
button,.btn,.sidebar a,.panel,.auth-card,.notify-card{transition:.18s ease}
.reminder-toast{position:fixed;right:22px;bottom:22px;z-index:9999;display:flex;align-items:flex-start;gap:12px;width:min(380px,calc(100vw - 28px));background:#fff;border:1px solid #bfdbfe;border-left:5px solid #2563eb;border-radius:18px;padding:14px 14px;box-shadow:0 22px 60px rgba(15,23,42,.22);animation:ringPop .35s ease}.reminder-toast .bell{width:42px;height:42px;border-radius:14px;background:#eff6ff;display:grid;place-items:center;font-size:22px;animation:bellRing 1s ease infinite}.reminder-toast b{display:block;color:#0f172a}.reminder-toast p{margin:3px 0 0;color:#475569;line-height:1.35}.reminder-toast button{margin:0 0 0 auto;background:#f1f5f9;color:#334155;width:28px;height:28px;border-radius:999px;padding:0;box-shadow:none}@keyframes ringPop{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:none}}@keyframes bellRing{0%,100%{transform:rotate(0)}20%{transform:rotate(14deg)}40%{transform:rotate(-12deg)}60%{transform:rotate(8deg)}80%{transform:rotate(-6deg)}}
@media(max-width:900px){body{font-size:14px}.mobile-bar{background:linear-gradient(135deg,#0f172a,#1e40af);color:#fff;box-shadow:0 10px 28px rgba(15,23,42,.18)}.menu-toggle{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff}.top{display:block;padding:14px 16px}.top .user-menu{position:absolute;right:14px;top:12px}.top h1{padding-right:58px}.page-kicker{font-size:12px}.page-content{padding:14px 12px 24px}.sidebar{width:min(86vw,310px);padding-top:16px}.sidebar a{padding:13px 14px}.user-dropdown{right:0}.reminder-toast{right:12px;bottom:12px}}
@media(max-width:520px){input,select,textarea{font-size:16px}.auth-main{display:flex;align-items:center;justify-content:center;padding:16px}.auth-card{width:100%;border-radius:26px}.reminder-toast{left:10px;right:10px;width:auto}}
/* v1.9.25 label/input polish */
label{color:#334155;font-size:13px;font-weight:700;letter-spacing:.01em}.field-wrap{display:block}.panel,.auth-card{border-color:#cfe0f3}input,select,textarea{border-color:#cbd5e1;background:#fff}input::placeholder,textarea::placeholder{color:#64748b}.check{color:#0f172a;font-size:14px}.check input{border-color:#cbd5e1}


/* v1.9.26 global floating labels */
:root{--field-border:#b8c9de;--field-label:#0f2a4a;--field-bg:#fff;--field-focus:#2563eb}
.form label:not(.check):not(.switch-toggle):not(.method-card),
.panel label:not(.check):not(.switch-toggle):not(.method-card),
.auth-card label:not(.check):not(.switch-toggle):not(.method-card){color:var(--field-label);font-weight:800;font-size:13px;letter-spacing:.01em}
input,select,textarea{border-color:var(--field-border);background:var(--field-bg);color:#0f172a}
input:focus,select:focus,textarea:focus{border-color:var(--field-focus);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.field-floating-wrap{position:relative;margin-top:14px}
.field-floating-wrap>label{position:absolute;z-index:2;left:13px;top:-8px;margin:0;padding:0 7px;background:var(--field-bg);line-height:16px;color:var(--field-label)!important;font-size:13px;font-weight:800;pointer-events:none}
.field-floating-wrap>input,.field-floating-wrap>select,.field-floating-wrap>textarea{margin-top:0;min-height:44px}
label.field-floating-inline{position:relative;margin-top:14px!important;padding-top:0;display:block;color:transparent!important;font-size:0!important;line-height:0!important}
label.field-floating-inline>.field-floating-text{position:absolute;z-index:2;left:13px;top:-8px;padding:0 7px;background:var(--field-bg);line-height:16px;color:var(--field-label);font-size:13px;font-weight:800;letter-spacing:.01em;pointer-events:none}
label.field-floating-inline>input,label.field-floating-inline>select,label.field-floating-inline>textarea{margin-top:0;min-height:44px;font-size:14px;line-height:normal;color:#0f172a}
.task-info-panel,.category-form{--field-bg:#f8fbff}.panel,.auth-card,.task-form{border-color:#c6d7eb}.field-floating-wrap:focus-within>label,label.field-floating-inline:focus-within>.field-floating-text{color:var(--field-focus)!important}.check,.switch-toggle,.method-card{font-size:14px!important}
input[type="text"][name="reminder_time"]{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* v1.9.27 label clean: chữ label nhẹ, nền trong suốt, không tạo mảng trắng */
:root{--field-border:#b7c9df;--field-label:#28435f;--field-bg:transparent;--field-focus:#2563eb}
label{font-weight:500!important;color:var(--field-label)!important}.form label:not(.check):not(.switch-toggle):not(.method-card),.panel label:not(.check):not(.switch-toggle):not(.method-card),.auth-card label:not(.check):not(.switch-toggle):not(.method-card){font-weight:500!important;color:var(--field-label)!important}
.field-floating-wrap{position:relative;margin-top:18px}.field-floating-wrap>label{position:absolute;z-index:2;left:14px;top:-9px;margin:0;padding:0 4px;background:transparent!important;line-height:17px;color:var(--field-label)!important;font-size:13px;font-weight:500!important;pointer-events:none;text-shadow:0 1px 0 #fff,0 -1px 0 #fff,1px 0 0 #fff,-1px 0 0 #fff}
.field-floating-wrap>input,.field-floating-wrap>select,.field-floating-wrap>textarea{margin-top:0;min-height:46px;border-color:var(--field-border)}
label.field-floating-inline{position:relative;margin-top:18px!important;padding-top:0;display:block;color:transparent!important;font-size:0!important;line-height:0!important}
label.field-floating-inline>.field-floating-text{position:absolute;z-index:2;left:14px;top:-9px;padding:0 4px;background:transparent!important;line-height:17px;color:var(--field-label)!important;font-size:13px;font-weight:500!important;letter-spacing:.01em;pointer-events:none;text-shadow:0 1px 0 #fff,0 -1px 0 #fff,1px 0 0 #fff,-1px 0 0 #fff}
label.field-floating-inline>input,label.field-floating-inline>select,label.field-floating-inline>textarea{margin-top:0;min-height:46px;border-color:var(--field-border);font-size:14px;line-height:normal;color:#0f172a;background:#fff}
.field-floating-wrap:focus-within>label,label.field-floating-inline:focus-within>.field-floating-text{color:var(--field-focus)!important}.check{font-weight:600!important;color:#0f172a!important}.form-actions{display:flex;justify-content:flex-end;margin-top:18px}.form-actions button{min-width:110px}


/* v1.9.28 login label/responsive + member username polish */
.field-floating-wrap>input,.field-floating-wrap>select,label.field-floating-inline>input,label.field-floating-inline>select{padding:18px 13px 8px;min-height:50px;line-height:22px}
.field-floating-wrap>textarea,label.field-floating-inline>textarea{padding:20px 13px 10px;line-height:1.45}
.field-floating-wrap>label,label.field-floating-inline>.field-floating-text{top:-10px;left:15px;font-weight:500!important;background:transparent!important;text-shadow:none!important;color:#28435f!important}
body.guest-user .page-content{width:100%;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
body.guest-user .auth-main{width:100%;min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:0}
.member-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.member-channel-row{justify-content:flex-start;gap:16px;margin:26px 0 22px;padding:18px 20px}
@media(max-width:900px){.member-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.member-grid{grid-template-columns:1fr}body.guest-user .page-content{padding:16px}.auth-card{max-width:430px;width:100%;margin:0 auto}}
@media(max-width:420px){body.guest-user .page-content{padding:14px}.auth-card{border-radius:24px;padding:24px 20px}.auth-card h1{font-size:25px}}

/* v1.9.29 keep auth inputs as simple placeholders, not floating labels */
.auth-card .login-form input{padding:0 16px!important;min-height:50px!important;line-height:50px!important}
.auth-card .login-form input:focus{box-shadow:0 0 0 4px rgba(37,99,235,.14)}
.auth-card .login-form input::placeholder{font-size:15px}

/* v1.9.30 user menu polish */
.user-dropdown{padding:8px;width:240px;border-radius:18px;overflow:visible}
.user-dropdown a{display:flex;align-items:center;gap:10px;border-radius:12px;padding:12px 13px;font-weight:600;color:#1e293b}
.user-dropdown a:hover{background:#eef6ff;color:#1d4ed8}
.user-dropdown .danger{color:#dc2626}
.user-dropdown .danger:hover{background:#fef2f2;color:#b91c1c}