:root{--primary:#0f766e;--primary-dark:#115e59;--accent:#14b8a6;--ink:#16343b;--muted:#6a7f84;--bg:#f4f8f7;--card:#fff;--line:#dfe9e7;--soft:#edf6f4;--danger:#b42318;--shadow:0 18px 45px rgba(18,59,55,.08)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg)}button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.muted{color:var(--muted)}.eyebrow{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:#72868b;font-weight:800}.avatar{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#d9f2ed;color:#0f5f58;font-weight:900}.login-page{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr}.login-art{position:relative;overflow:hidden;background:linear-gradient(150deg,#06383b 0%,#0f766e 55%,#16a394 100%);color:#fff;padding:55px;display:flex;flex-direction:column;justify-content:space-between}.login-art:before,.login-art:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.06)}.login-art:before{width:480px;height:480px;right:-160px;top:-110px}.login-art:after{width:330px;height:330px;left:-150px;bottom:-120px}.login-brand{position:relative;z-index:2;display:flex;gap:12px;align-items:center}.logo-circle{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.2);font-weight:900}.login-brand strong,.login-brand span{display:block}.login-brand span{font-size:11px;opacity:.76;margin-top:3px}.hero-copy{position:relative;z-index:2;max-width:650px}.hero-copy h1{font-size:50px;line-height:1.08;margin:12px 0 16px}.hero-copy p{font-size:17px;line-height:1.75;max-width:560px;color:rgba(255,255,255,.83)}.login-features{position:relative;z-index:2;display:flex;gap:10px;flex-wrap:wrap}.login-features span{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.11);font-size:12px}.login-panel{display:grid;place-items:center;padding:36px}.login-card{width:min(470px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--shadow)}.mobile-logo{display:none}.login-card h2{font-size:31px;margin:8px 0 5px}.login-form label{font-size:13px;font-weight:800;display:block;margin-top:18px}.login-form input{margin-top:7px}.password-wrap{position:relative}.password-wrap input{padding-right:46px}.icon-btn{border:0;background:transparent;color:#6c8287}.password-wrap .icon-btn{position:absolute;right:6px;top:6px;width:38px;height:38px}.login-help{margin-top:17px;padding:12px 13px;background:var(--soft);border-radius:12px;font-size:12px;line-height:1.6;color:#557076}.install-link{margin-top:15px;text-align:center;font-size:12px}.install-link a{color:var(--primary);font-weight:800;text-decoration:none}.alert{border-radius:12px;padding:12px 14px;font-size:13px;margin:16px 0}.alert.danger{background:#fff1f1;color:#a11e1e;border:1px solid #ffd4d4}.btn{display:inline-flex;gap:8px;justify-content:center;align-items:center;border:1px solid transparent;border-radius:11px;padding:10px 14px;background:#fff;color:var(--ink)}.btn.large{padding:13px 16px}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-dark)}.btn.secondary{background:#eef7f5;color:#0e655e}.btn.ghost{background:transparent;border-color:rgba(255,255,255,.14);color:#e7faf6}.btn.outline{border-color:var(--line)}.btn.danger{background:#fff1f1;color:#a61b1b}.btn.small{font-size:12px;padding:7px 10px}.full{width:100%}.app-shell{min-height:100vh;display:grid;grid-template-columns:278px 1fr}.sidebar{background:#092b2e;color:#dff6f1;display:flex;flex-direction:column;min-height:100vh}.sidebar-top{padding:17px 15px}.logo-block{display:flex;gap:11px;align-items:center;padding:10px 7px 20px}.logo-block strong{display:block;color:#fff}.logo-block span{display:block;color:#95bbb6;font-size:11px;margin-top:3px}.side-user{display:flex;align-items:center;gap:10px;padding:10px 8px;margin-bottom:15px;background:#0b383b;border:1px solid rgba(255,255,255,.05);border-radius:15px}.side-user b,.side-user span{display:block}.side-user b{font-size:13px;color:#fff}.side-user span{font-size:11px;color:#9bc5bf;margin-top:2px}.menu-label{font-size:10px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:#6fa49d;padding:13px 10px 5px}.nav-item{width:100%;display:flex;align-items:center;gap:10px;padding:11px 12px;margin:2px 0;border:0;border-radius:10px;color:#c4e4df;background:transparent;text-align:left;font-weight:700;font-size:13px}.nav-item:hover,.nav-item.active{background:#0f4649;color:#fff}.nav-icon{width:22px;text-align:center;font-size:15px}.side-footer{margin-top:auto;padding:15px}.main{min-width:0}.topbar{height:84px;padding:17px 28px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}.topbar-left{display:flex;align-items:center;gap:10px}.topbar h1{margin:4px 0 0;font-size:24px}.top-actions{display:flex;align-items:center;gap:12px}.period-chip{padding:8px 11px;border-radius:999px;background:#eff8f6;color:#0d665f;font-size:12px;font-weight:800}.content{padding:27px}.grid{display:grid;gap:17px}.grid.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:19px;box-shadow:0 6px 22px rgba(18,59,55,.035)}.card h2,.card h3{margin:0 0 12px}.stat .stat-top{display:flex;justify-content:space-between;align-items:center}.stat .label{font-size:12px;color:#6e8287}.stat .value{font-size:30px;font-weight:900;margin-top:7px}.stat .sub{font-size:11px;color:#7d9094;margin-top:5px}.stat .symbol{width:38px;height:38px;border-radius:12px;background:#eef8f6;color:var(--primary);display:grid;place-items:center}.hero-card{background:linear-gradient(135deg,#0d595d,#0f766e);color:#fff;border:0}.hero-card p{color:rgba(255,255,255,.8)}.section-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:14px}.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:14px}.toolbar .left,.toolbar .right{display:flex;gap:8px;flex-wrap:wrap}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.form-grid .full-col{grid-column:1/-1}.form-label{display:block;font-size:12px;font-weight:800}.form-label input,.form-label select,.form-label textarea{margin-top:6px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:13px}.table{border-collapse:collapse;width:100%;min-width:760px}.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:12px}.table th{background:#f7faf9;color:#587076;position:sticky;top:0}.table tr:hover td{background:#fbfefd}.table td input,.table td select{min-width:70px;padding:7px 8px;border-radius:8px}.badge{display:inline-flex;align-items:center;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:800;background:#eef8f6;color:#0e665e}.badge.warn{background:#fff6dd;color:#8b5d00}.badge.ok{background:#e9f8ea;color:#23733a}.badge.danger{background:#fff0f0;color:#a52020}.empty{padding:34px;text-align:center;color:#71858a}.note{padding:12px 14px;background:#f8fbfa;border:1px dashed #cfe0dc;border-radius:12px;color:#60757b;font-size:12px;line-height:1.6}.modal{position:fixed;inset:0;background:rgba(4,24,27,.52);display:grid;place-items:center;padding:18px;z-index:100}.modal-card{width:min(940px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:18px;padding:22px}.modal-card h2{margin-top:0}.toast{position:fixed;right:18px;bottom:18px;z-index:150;background:#13393b;color:#fff;padding:12px 16px;border-radius:12px;box-shadow:0 15px 35px rgba(0,0,0,.18);opacity:0;transform:translateY(10px);pointer-events:none;transition:.18s}.toast.show{opacity:1;transform:translateY(0)}.mobile-only{display:none}.danger-text{color:var(--danger)}.text-right{text-align:right}.spacer{height:4px}@media(max-width:900px){.login-page{grid-template-columns:1fr}.login-art{display:none}.mobile-logo{display:block;margin-bottom:12px}.grid.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.app-shell{grid-template-columns:240px 1fr}}@media(max-width:820px){.app-shell{display:block}.sidebar{position:fixed;inset:0 auto 0 0;width:280px;transform:translateX(-100%);transition:.2s;z-index:80}.sidebar.open{transform:translateX(0)}.mobile-only{display:inline-grid}.topbar{height:auto;padding:14px 16px}.content{padding:16px}.grid.two,.grid.three,.form-grid{grid-template-columns:1fr}.top-actions .period-chip{display:none}}@media(max-width:520px){.grid.cards{grid-template-columns:1fr}.login-card{padding:24px}.content{padding:12px}.topbar h1{font-size:20px}}


/* v4 visual polish */
.login-page{min-height:100vh;grid-template-columns:minmax(0,1.08fr) minmax(420px,.92fr);background:#f4f8f7}
.login-panel{padding:56px 48px;align-items:center}
.login-card{width:min(430px,100%);padding:38px 36px 30px;border-radius:26px;box-shadow:0 24px 60px rgba(15,71,66,.10)}
.login-card .eyebrow{margin-bottom:10px}.login-card h2{font-size:30px;letter-spacing:-.02em;margin:0 0 8px}.login-card .muted{margin:0 0 6px}
.login-form{margin-top:22px}.login-form label{font-size:12px;line-height:1.2;letter-spacing:.01em;color:#2f5257;margin-top:17px}.login-form input{width:100%;height:48px;margin-top:8px;border:1px solid #cfdfdc;border-radius:12px;background:#fbfdfd;padding:0 14px;color:#18383d;outline:none;transition:border-color .16s,box-shadow .16s,background .16s}.login-form input:focus{border-color:#0f766e;background:#fff;box-shadow:0 0 0 4px rgba(15,118,110,.10)}
.password-wrap{position:relative;margin-top:0}.password-wrap input{padding-right:54px}.password-wrap .icon-btn{top:8px;right:7px;width:38px;height:32px;border-radius:8px;color:#6b8489}.password-wrap .icon-btn:hover{background:#edf6f4;color:#0f766e}
.login-form .btn.full{height:48px;border-radius:12px;margin-top:24px;font-weight:800;box-shadow:0 10px 22px rgba(15,118,110,.18)}
.install-link{margin-top:18px;font-size:11px;color:#6d8286}.install-link a{color:#0f766e}
.logo-box{overflow:hidden;flex:0 0 auto}.logo-box img{width:100%;height:100%;object-fit:contain;display:block;border-radius:inherit;background:#fff}.login-brand .logo-box{background:rgba(255,255,255,.13)}
.mobile-logo{margin-bottom:18px}.mobile-logo .logo-box{margin:auto}
.login-art{padding:58px 64px}.hero-copy h1{font-size:52px;letter-spacing:-.03em}.hero-copy p{font-size:16px}.login-features span{border:1px solid rgba(255,255,255,.08)}
/* Admin data cards */
.admin-data-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.admin-data-card{position:relative;overflow:hidden;cursor:pointer;transition:transform .16s,box-shadow .16s,border-color .16s}.admin-data-card:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(18,59,55,.08);border-color:#bcd5d1}.admin-data-card .data-icon{width:42px;height:42px;border-radius:12px;background:#edf7f5;color:#0f766e;display:grid;place-items:center;font-weight:900}.admin-data-card .data-count{font-size:28px;font-weight:900;margin-top:15px}.admin-data-card .data-name{font-size:12px;font-weight:900;margin-top:3px}.admin-data-card .data-link{position:absolute;right:16px;bottom:15px;font-size:11px;color:#0f766e;font-weight:900}
.logo-setting{display:grid;grid-template-columns:130px 1fr;gap:20px;align-items:center}.logo-preview{width:130px;height:130px;border:1px dashed #c7d9d5;border-radius:18px;background:#f7fbfa;display:grid;place-items:center;overflow:hidden}.logo-preview img{width:100%;height:100%;object-fit:contain}.logo-preview .logo-fallback{font-size:30px;font-weight:900;color:#0f766e}
@media(max-width:900px){.login-page{grid-template-columns:1fr}.login-art{display:none}.login-panel{padding:28px 18px}.admin-data-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.login-panel{padding:18px 12px}.login-card{padding:28px 22px 24px}.admin-data-grid{grid-template-columns:1fr}.logo-setting{grid-template-columns:1fr}.logo-preview{margin:auto}}