:root{
  --bg:#f5f8fd;--card:#fff;--text:#10233f;--muted:#74839a;--line:#dfe7f1;
  --primary:#0f6feb;--primary2:#2f80ed;--green:#18a66a;--yellow:#f4a300;--red:#ef5b5b;
  --shadow:0 14px 34px rgba(33,75,120,.10);--radius:18px;--safe-bottom:max(14px,env(safe-area-inset-bottom));
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}
button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.app-shell{min-height:100vh;padding-bottom:92px}.mobile-wrap{width:min(100%,520px);margin:0 auto;padding:0 14px 24px}
.topbar{position:sticky;top:0;z-index:20;background:rgba(245,248,253,.94);backdrop-filter:blur(14px);padding:15px 0 10px}
.brand-row{display:flex;align-items:center;gap:10px}.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#5a9cff);display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:0 8px 18px rgba(15,111,235,.25)}
.brand-title{font-weight:800;font-size:20px;line-height:1.1}.brand-sub{font-size:12px;color:var(--muted);margin-top:3px}.spacer{flex:1}
.icon-btn{border:1px solid var(--line);background:#fff;width:42px;height:42px;border-radius:13px;display:grid;place-items:center;color:var(--text)}
.hero{margin-top:8px;background:linear-gradient(135deg,#0f6feb,#5a9cff);color:#fff;padding:22px;border-radius:24px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.09);right:-55px;top:-80px}.hero h1{margin:0 0 6px;font-size:25px}.hero p{margin:0;color:rgba(255,255,255,.88);font-size:14px;max-width:340px}.hero-actions{display:flex;gap:9px;margin-top:18px;flex-wrap:wrap}
.btn{border:none;border-radius:13px;padding:12px 15px;font-weight:700;min-height:44px}.btn-primary{background:var(--primary);color:#fff}.btn-light{background:#fff;color:var(--primary)}.btn-soft{background:#edf5ff;color:var(--primary);border:1px solid #d5e7ff}.btn-danger{background:#fff0f0;color:#d94141;border:1px solid #ffd2d2}.btn-block{width:100%}.btn-sm{padding:8px 11px;min-height:36px;font-size:13px}
.section{margin-top:18px}.section-head{display:flex;align-items:center;justify-content:space-between;margin:0 2px 10px}.section-title{font-size:16px;font-weight:800}.section-link{border:0;background:transparent;color:var(--primary);font-weight:700;font-size:13px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:15px;box-shadow:0 6px 16px rgba(33,75,120,.05)}.card+.card{margin-top:10px}.card-row{display:flex;align-items:center;gap:12px}.card-grow{flex:1;min-width:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 7px;text-align:center}.stat strong{display:block;font-size:20px}.stat span{font-size:10px;color:var(--muted)}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#d8e9ff,#f2f7ff);display:grid;place-items:center;font-size:18px;font-weight:800;color:var(--primary);overflow:hidden;flex:0 0 auto}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-lg{width:72px;height:72px;font-size:28px}
.name{font-weight:800}.meta{font-size:12px;color:var(--muted);margin-top:3px}.badge{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:6px 9px;font-size:12px;font-weight:800}.badge-green{background:#dff8eb;color:#15794f}.badge-yellow{background:#fff1cf;color:#9a6800}.badge-red{background:#ffe2df;color:#af3d35}.badge-blue{background:#e7f1ff;color:#0f6feb}
.progress{height:7px;border-radius:99px;background:#edf1f6;overflow:hidden;margin-top:8px}.progress>i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#50a2ff);border-radius:99px}.empty{text-align:center;color:var(--muted);padding:22px 12px}.empty strong{display:block;color:var(--text);margin-bottom:5px}
.bottom-nav{position:fixed;z-index:30;left:50%;bottom:0;transform:translateX(-50%);width:min(100%,520px);background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(21,55,90,.08);display:grid;grid-template-columns:repeat(5,1fr);padding:8px 8px var(--safe-bottom)}.nav-btn{border:0;background:transparent;display:flex;flex-direction:column;align-items:center;gap:4px;color:#8190a3;padding:6px 2px;font-size:10px;font-weight:700}.nav-btn .ico{font-size:19px;line-height:1}.nav-btn.active{color:var(--primary)}
.page-title{font-size:23px;font-weight:900;margin:12px 0 4px}.page-sub{color:var(--muted);font-size:13px;margin-bottom:16px}.search{position:relative}.search input{padding-left:40px}.search:before{content:"⌕";position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--muted)}
.form-grid{display:grid;gap:12px}.field label{display:block;font-size:12px;font-weight:800;margin:0 0 6px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:13px;padding:12px 13px;outline:none;min-height:44px}.field textarea{min-height:90px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:#85b8ff;box-shadow:0 0 0 3px rgba(15,111,235,.08)}
.course-item{display:flex;align-items:center;gap:12px}.course-check{width:22px;height:22px;accent-color:var(--primary)}.course-code{font-size:11px;color:var(--primary);font-weight:800}.course-name{font-weight:800;margin-top:2px}.course-sks{font-size:12px;color:var(--muted)}
.task-line{border-left:4px solid var(--primary)}.task-line.high{border-left-color:var(--red)}.task-line.medium{border-left-color:var(--yellow)}.task-line.low{border-left-color:var(--green)}.task-done{opacity:.58}.task-done .name{text-decoration:line-through}
.chat-layout{display:grid;gap:10px}.bubble-wrap{display:flex}.bubble-wrap.mine{justify-content:flex-end}.bubble{max-width:82%;padding:10px 12px;border-radius:15px;background:#fff;border:1px solid var(--line);font-size:14px;line-height:1.35}.mine .bubble{background:#e8f2ff;border-color:#cfe3ff}.bubble-time{font-size:10px;color:var(--muted);margin-top:5px;text-align:right}.chat-box{height:48vh;overflow:auto;padding:4px 2px 12px}.chat-compose{display:flex;gap:8px;position:sticky;bottom:78px;background:var(--bg);padding:8px 0}.chat-compose input{flex:1;border:1px solid var(--line);border-radius:14px;padding:12px 13px;min-width:0}.chat-compose button{width:48px;border:0;border-radius:14px;background:var(--primary);color:#fff;font-weight:900}
.profile-head{text-align:center}.profile-head .avatar{margin:0 auto 10px}.profile-head h2{margin:0}.divider{height:1px;background:var(--line);margin:14px 0}.setting-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #eef2f7}.setting-row:last-child{border-bottom:0}.setting-row .left{width:34px;height:34px;border-radius:11px;background:#eef5ff;color:var(--primary);display:grid;place-items:center}.setting-row .grow{flex:1}.setting-row strong{display:block;font-size:14px}.setting-row small{color:var(--muted)}
.auth-screen{min-height:100vh;background:linear-gradient(160deg,#0e5fca 0%,#1b78ee 42%,#f5f8fd 42.2%);padding:28px 16px 40px}.auth-wrap{width:min(100%,430px);margin:0 auto}.auth-brand{color:#fff;padding:20px 8px 34px}.auth-brand h1{font-size:34px;margin:8px 0 5px}.auth-brand p{margin:0;color:rgba(255,255,255,.88)}.auth-card{background:#fff;border-radius:24px;padding:20px;box-shadow:var(--shadow)}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;background:#f1f5fa;padding:4px;border-radius:12px;margin-bottom:16px}.auth-tab{border:0;background:transparent;padding:10px;border-radius:9px;font-weight:800;color:var(--muted)}.auth-tab.active{background:#fff;color:var(--primary);box-shadow:0 3px 10px rgba(0,0,0,.05)}.google-btn{width:100%;border:1px solid var(--line);background:#fff;border-radius:13px;padding:12px;font-weight:800}.or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin:14px 0}.or:before,.or:after{content:"";height:1px;background:var(--line);flex:1}.auth-help{font-size:12px;color:var(--muted);line-height:1.45;margin-top:10px}
.modal-backdrop{position:fixed;inset:0;background:rgba(14,30,52,.42);z-index:60;display:flex;align-items:flex-end;justify-content:center}.modal{width:min(100%,520px);max-height:90vh;overflow:auto;background:#fff;border-radius:24px 24px 0 0;padding:18px 16px calc(20px + env(safe-area-inset-bottom));box-shadow:0 -20px 50px rgba(0,0,0,.18)}.modal-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}.modal-title{font-size:18px;font-weight:900;flex:1}.close{border:0;background:#f1f5fa;width:38px;height:38px;border-radius:12px}
.toast{position:fixed;z-index:100;left:50%;bottom:105px;transform:translateX(-50%);width:min(calc(100% - 28px),470px);background:#10233f;color:#fff;border-radius:13px;padding:12px 14px;box-shadow:0 12px 30px rgba(0,0,0,.22);font-size:13px}.toast.error{background:#a93737}.toast.success{background:#13724c}
.row-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:11px}.pill-tabs{display:flex;gap:7px;overflow:auto;padding-bottom:2px}.pill{white-space:nowrap;border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:999px;color:var(--muted);font-weight:700;font-size:12px}.pill.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.notice{background:#eef6ff;border:1px solid #d4e8ff;border-radius:15px;padding:12px 13px;color:#24598e;font-size:13px;line-height:1.45}.notice.warn{background:#fff8e7;border-color:#ffe3a4;color:#8b6411}
@media (min-width:800px){body{background:#edf3fa}.app-shell{padding-top:14px}.mobile-wrap{background:var(--bg);min-height:calc(100vh - 28px);border-radius:28px;box-shadow:0 16px 50px rgba(33,75,120,.13)}.bottom-nav{bottom:14px;border:1px solid var(--line);border-radius:18px;width:min(calc(100% - 28px),492px)}}

/* TemanKuliah branding + Admin Panel v2 */
:root{--accent:#ffb31a;--accent-soft:#fff4cf;--admin:#0b2d5c;--admin2:#0f6feb}
.brand-logo{width:44px;height:44px;border-radius:14px;object-fit:cover;background:#fff;border:1px solid #e8eef6;box-shadow:0 7px 18px rgba(15,111,235,.13)}
.auth-logo{display:block;width:122px;height:122px;object-fit:cover;border-radius:28px;margin:0 0 14px;background:#fff;box-shadow:0 12px 30px rgba(0,0,0,.13)}
.auth-brand h1{margin-top:0}.admin-chip{font-size:9px;font-weight:900;letter-spacing:.08em;padding:5px 7px;border-radius:999px;background:var(--accent-soft);color:#9b6700;border:1px solid #ffe19a}
.btn-admin{background:linear-gradient(135deg,var(--admin2),#1852a1);color:#fff}.btn:disabled{opacity:.45;cursor:not-allowed}
.admin-entry-card{display:flex;align-items:center;gap:12px;padding:16px;border-radius:18px;background:linear-gradient(135deg,#0b2d5c,#0f6feb);color:#fff;box-shadow:0 12px 28px rgba(15,75,150,.22)}
.admin-entry-card .meta{color:rgba(255,255,255,.78)}.admin-entry-icon{width:44px;height:44px;border-radius:14px;background:rgba(255,179,26,.18);border:1px solid rgba(255,211,102,.35);color:#ffd363;display:grid;place-items:center;font-size:22px}
.admin-hero{margin-top:8px;border-radius:24px;padding:21px;background:linear-gradient(135deg,#0b2d5c,#0f6feb);color:#fff;display:flex;gap:14px;align-items:flex-start;justify-content:space-between;box-shadow:var(--shadow)}
.admin-hero .eyebrow{font-size:10px;font-weight:900;letter-spacing:.13em;color:#ffd777}.admin-hero h1{font-size:27px;margin:6px 0 5px}.admin-hero p{margin:0;max-width:620px;color:rgba(255,255,255,.82);font-size:13px;line-height:1.5}
.admin-tabs{display:flex;gap:7px;overflow-x:auto;margin:16px 0 14px;padding-bottom:2px}.admin-tab{white-space:nowrap;border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:12px;padding:10px 13px;font-size:12px;font-weight:800}.admin-tab.active{background:var(--admin);border-color:var(--admin);color:#fff;box-shadow:0 6px 14px rgba(11,45,92,.16)}
.admin-stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.admin-stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px;box-shadow:0 6px 16px rgba(33,75,120,.05)}.admin-stat span{font-size:11px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.admin-stat strong{display:block;font-size:25px;margin:6px 0 2px}.admin-stat small{font-size:11px;color:var(--muted);line-height:1.35;display:block}
.admin-grid-2{display:grid;gap:12px}.semester-chart{display:grid;gap:9px}.chart-row{display:grid;grid-template-columns:28px 1fr 28px;gap:9px;align-items:center;font-size:12px}.chart-row>span{font-weight:800;color:var(--muted)}.chart-row>strong{text-align:right}.chart-track{height:10px;background:#eef3f8;border-radius:99px;overflow:hidden}.chart-track i{height:100%;display:block;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.admin-mini-user{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid #eef2f7}.admin-mini-user:last-child{border-bottom:0}.admin-toolbar{display:grid;grid-template-columns:1fr;gap:9px;margin-bottom:12px}.admin-toolbar select{min-height:44px;border:1px solid var(--line);border-radius:13px;padding:10px 12px;background:#fff;color:var(--text)}.admin-search input{min-height:44px}
.admin-list{display:grid;gap:10px}.admin-user-row,.admin-course-row{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:17px;padding:13px;box-shadow:0 6px 16px rgba(33,75,120,.045)}.admin-user-tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:7px}.admin-user-tags span{font-size:10px;color:#52667e;background:#f1f5f9;border-radius:999px;padding:4px 7px}.admin-user-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.status-dot{font-size:10px;font-weight:800;border-radius:999px;padding:5px 7px}.status-dot.on{background:#e2f7ec;color:#16754f}.status-dot.off{background:#f0f2f5;color:#768397}
.admin-user-detail{text-align:center}.admin-user-detail .avatar{margin:0 auto 10px}.admin-user-detail h2{margin:0}.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:15px 0}.detail-grid>div{padding:11px;border:1px solid var(--line);border-radius:13px;background:#f8fafc}.detail-grid span{display:block;font-size:10px;color:var(--muted);text-transform:uppercase;font-weight:800}.detail-grid strong{display:block;font-size:18px;margin-top:4px}.course-badge{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:#e8f2ff;color:var(--primary);font-weight:900;flex:0 0 auto}.form-split{display:grid;grid-template-columns:1fr 90px;gap:9px}
.system-row{display:flex;gap:12px;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid #eef2f7;font-size:13px}.system-row:last-child{border-bottom:0}.system-row>span{color:var(--muted)}.system-row>strong{text-align:right;word-break:break-word}.ok{color:#15794f}.warn-text{color:#a06a00}
@media (min-width:620px){.admin-stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.admin-toolbar{grid-template-columns:1fr 180px}.admin-toolbar .btn{justify-self:end}.admin-grid-2{grid-template-columns:1fr 1fr}.detail-grid{grid-template-columns:repeat(4,1fr)}}
@media (min-width:800px){.admin-shell .mobile-wrap{width:min(calc(100% - 32px),1080px)}.admin-shell .bottom-nav{width:min(calc(100% - 28px),720px)}.admin-stat-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.admin-toolbar{grid-template-columns:minmax(260px,1fr) 190px auto}.admin-user-row,.admin-course-row{padding:15px 16px}}
@media (max-width:420px){.admin-hero{flex-direction:column}.admin-hero .btn{align-self:flex-start}.admin-user-row{align-items:flex-start}.admin-user-side{flex:0 0 auto}.admin-user-row .avatar{width:38px;height:38px}.admin-user-tags span:nth-child(n+3){display:none}.form-split{grid-template-columns:1fr 82px}}