:root{--navy:#101b35;--blue:#2f6bff;--blue2:#eaf0ff;--ink:#172033;--muted:#758097;--line:#e7eaf0;--bg:#f5f7fb;--white:#fff;--green:#16a071;--orange:#e79032;--red:#ef5b67;--shadow:0 12px 35px rgba(25,38,70,.11)}*{box-sizing:border-box}body{margin:0;font-family:Inter,"Noto Sans KR",sans-serif;color:var(--ink);background:var(--bg)}button,input,select{font:inherit}.hidden{display:none!important}.login-view{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;background:#fff}.login-art{position:relative;overflow:hidden;padding:54px 68px;background:linear-gradient(145deg,#0d1830,#172b58);color:#fff}.brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:800;letter-spacing:-.4px}.brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:var(--blue);color:#fff;font-size:13px}.hero-copy{position:absolute;left:10%;top:42%;transform:translateY(-50%);z-index:2}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2.5px;color:#8faeff}.hero-copy h1{font-size:43px;line-height:1.25;letter-spacing:-2px;margin:18px 0}.hero-copy p{color:#c0cae0;line-height:1.7}.orb{position:absolute;border-radius:50%;filter:blur(2px)}.orb-a{width:420px;height:420px;right:-100px;bottom:-130px;background:radial-gradient(circle at 35% 30%,#477dfc,#142956 67%)}.orb-b{width:180px;height:180px;right:25%;top:14%;background:radial-gradient(circle at 35% 30%,#5c8cff,#142956 70%);opacity:.7}.login-panel{display:grid;place-items:center;padding:40px}.login-card{width:min(390px,100%);text-align:center}.mobile-brand{display:none}.login-icon{margin:auto;width:66px;height:66px;border-radius:20px;background:var(--blue2);display:grid;place-items:center;color:var(--blue);font-size:30px;font-weight:800}.login-card h2{font-size:29px;margin:22px 0 10px}.login-card p{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:30px}.login-card button{width:100%;height:52px;border-radius:12px;font-weight:700;cursor:pointer}.google-btn{background:#fff;border:1px solid #dce1eb;color:#31394a}.google-g{font-size:20px;color:#4285f4;margin-right:12px}.admin-demo-btn{border:0;background:var(--navy);color:#fff;margin-top:11px}.login-card small{display:block;color:#9aa2b2;font-size:11px;margin-top:22px}.app-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:var(--navy);color:#fff;padding:27px 20px;display:flex;flex-direction:column;z-index:10}.sidebar .brand{padding:0 8px 32px}.sidebar nav{display:flex;flex-direction:column;gap:6px}.nav-section{font-size:10px;color:#7785a4;font-weight:700;letter-spacing:1.3px;margin:21px 12px 7px}.nav-btn{display:flex;align-items:center;gap:12px;border:0;color:#98a6c2;background:transparent;padding:12px 14px;border-radius:10px;text-align:left;cursor:pointer;font-weight:600;font-size:14px}.nav-btn.active,.nav-btn:hover{background:#23345a;color:#fff}.nav-icon{width:20px;text-align:center}.side-help{margin-top:auto;padding:17px;background:#1b2a4b;border:1px solid #2a3b60;border-radius:13px;display:flex;flex-direction:column;gap:7px}.side-help b{font-size:12px}.side-help span{font-size:10px;color:#94a2bf;line-height:1.5}.side-help button{border:0;background:transparent;color:#7196ff;font-size:11px;text-align:left;padding:0;cursor:pointer}.profile{display:grid;grid-template-columns:38px 1fr 24px;gap:10px;align-items:center;margin-top:18px;padding:16px 5px 0;border-top:1px solid #283757}.avatar{width:38px;height:38px;border-radius:50%;background:#566b96;display:grid;place-items:center;font-weight:700}.profile div:nth-child(2){display:flex;flex-direction:column;gap:3px}.profile b{font-size:12px}.profile span{font-size:10px;color:#8290ab}.profile button{border:0;background:transparent;color:#8997b3;cursor:pointer}.app-shell main{grid-column:2;min-width:0}.topbar{height:88px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 36px;gap:16px;position:sticky;top:0;z-index:6}.topbar h2{font-size:20px;margin:0 0 5px}.topbar p{font-size:12px;color:var(--muted);margin:0}.top-actions{display:flex;gap:8px;margin-left:auto}.icon-btn{border:1px solid var(--line);background:#fff;border-radius:10px;width:38px;height:38px;cursor:pointer;color:#677188}.content{padding:28px 36px 50px;max-width:1500px;margin:auto}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}.stat{background:#fff;border:1px solid var(--line);padding:19px;border-radius:14px;display:grid;grid-template-columns:1fr 42px}.stat span{font-size:12px;color:var(--muted)}.stat strong{font-size:24px;margin-top:8px}.stat i{grid-row:1/3;grid-column:2;width:42px;height:42px;border-radius:11px;background:var(--blue2);color:var(--blue);display:grid;place-items:center;font-style:normal}.panel{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 2px 5px rgba(30,45,70,.02)}.panel-head{display:flex;align-items:center;padding:20px 22px;border-bottom:1px solid var(--line);gap:14px}.panel-head h3{font-size:15px;margin:0}.panel-head p{font-size:11px;color:var(--muted);margin:4px 0 0}.panel-actions{margin-left:auto;display:flex;gap:8px}.btn{border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 13px;font-size:12px;font-weight:700;cursor:pointer;color:#536079}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.danger{color:var(--red)}.month-nav{display:flex;align-items:center;gap:12px}.month-nav button{border:1px solid var(--line);background:#fff;width:30px;height:30px;border-radius:8px;cursor:pointer}.month-title{font-size:17px;font-weight:800;min-width:95px;text-align:center}.calendar-wrap{padding:0 18px 18px}.weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr)}.weekdays div{text-align:center;padding:14px 4px;font-size:11px;font-weight:700;color:#8790a3}.weekdays div:first-child{color:var(--red)}.weekdays div:last-child{color:var(--blue)}.day{min-height:118px;border-top:1px solid var(--line);border-right:1px solid var(--line);padding:8px 5px;position:relative;overflow:visible}.day:nth-child(7n+1){border-left:1px solid var(--line)}.day.out{background:#fafbfc;color:#bec4cf}.day-num{font-size:11px;margin-left:4px}.today .day-num{display:grid;place-items:center;background:var(--blue);color:#fff;border-radius:50%;width:22px;height:22px}.events{margin-top:6px;display:flex;flex-direction:column;gap:4px}.event{position:relative;z-index:2;border:0;border-radius:5px;padding:6px 7px;font-size:10px;font-weight:700;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;color:#2857bd;background:#e8efff}.event.green{background:#e0f5ee;color:#16795b}.event.orange{background:#fff0dc;color:#ad6620}.event.purple{background:#f0eaff;color:#7050b6}.event.selected{outline:2px solid var(--blue);background:var(--blue);color:#fff}.legend{display:flex;gap:18px;align-items:center;padding:0 22px 18px;font-size:10px;color:var(--muted)}.dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:5px;background:var(--blue)}.two-col{display:grid;grid-template-columns:1.5fr .8fr;gap:20px}.list{padding:6px 20px}.list-row{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}.list-row:last-child{border:0}.date-box{background:var(--blue2);color:var(--blue);border-radius:8px;text-align:center;padding:6px 2px;font-size:9px}.date-box b{font-size:16px;display:block}.list-row h4{margin:0 0 4px;font-size:12px}.list-row p{margin:0;color:var(--muted);font-size:10px}.badge{display:inline-flex;padding:5px 8px;border-radius:20px;background:#e8f7f1;color:var(--green);font-size:9px;font-weight:700}.badge.gray{background:#f0f2f5;color:#7c8594}.badge.blue{background:var(--blue2);color:var(--blue)}.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;min-width:760px}.data-table th{text-align:left;font-size:10px;color:#8a93a6;background:#fafbfc;padding:12px 18px}.data-table td{font-size:11px;padding:14px 18px;border-top:1px solid var(--line)}.coach-cell{display:flex;align-items:center;gap:10px}.mini-avatar{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#edf1f8;color:#506182;font-weight:700}.switch{width:34px;height:19px;border-radius:20px;background:#ccd2dc;position:relative;cursor:pointer;display:inline-block}.switch::after{content:"";width:15px;height:15px;border-radius:50%;background:#fff;position:absolute;top:2px;left:2px;transition:.2s}.switch.on{background:var(--blue)}.switch.on::after{left:17px}.search{border:1px solid var(--line);border-radius:9px;padding:9px 12px;font-size:11px;width:200px}.empty{text-align:center;padding:55px;color:var(--muted);font-size:12px}.modal{position:fixed;inset:0;z-index:30;display:grid;place-items:center}.modal-backdrop{position:absolute;inset:0;background:rgba(8,14,30,.55)}.modal-card{position:relative;background:#fff;border-radius:18px;width:min(560px,calc(100% - 30px));max-height:88vh;overflow:auto;padding:26px;box-shadow:var(--shadow)}.modal-close{position:absolute;right:17px;top:14px;border:0;background:transparent;font-size:25px;color:#8a92a2;cursor:pointer}.modal h3{margin:0 0 6px}.modal .sub{font-size:11px;color:var(--muted);margin-bottom:20px}.candidate{display:grid;grid-template-columns:38px 1fr auto;gap:11px;align-items:center;padding:13px 0;border-top:1px solid var(--line)}.candidate b{font-size:12px}.candidate p{font-size:10px;color:var(--muted);margin:4px 0 0}.candidate button:disabled{opacity:.5;cursor:not-allowed}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:10px;color:var(--muted);font-weight:700}.field input,.field select{border:1px solid var(--line);border-radius:9px;padding:11px}.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.toast{position:fixed;z-index:50;right:25px;bottom:25px;background:#18233e;color:#fff;border-radius:10px;padding:13px 17px;font-size:12px;opacity:0;transform:translateY(10px);pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:none}#menuBtn{display:none}@media(max-width:900px){.login-view{grid-template-columns:1fr}.login-art{display:none}.login-panel{min-height:100vh}.mobile-brand{display:flex;justify-content:center;margin-bottom:45px}.app-shell{display:block}.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:none}.app-shell main{display:block}.topbar{padding:0 18px}.content{padding:20px 14px}.stats{grid-template-columns:1fr 1fr}.two-col{grid-template-columns:1fr}#menuBtn{display:block}.day{min-height:90px}.calendar-wrap{padding:0 6px 10px}.event{font-size:8px;padding:5px 3px}}@media(max-width:540px){.stats{grid-template-columns:1fr}.topbar p{display:none}.panel-head{align-items:flex-start;flex-wrap:wrap}.panel-actions{width:100%;margin:0}.search{width:100%}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}}