@import "https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;600&family=Lora:wght@400;600&display=swap";:root{--color-bg:#f3f2f2;--color-surface:#eae9e9;--color-text:#201f1d;--color-accent:#b68235;--color-accent-2:#ac803e;--color-divider:#201f1d29;--color-neutral-100:#f8f4f4;--color-neutral-200:#eae7e7;--color-neutral-300:#d7d3d3;--color-neutral-400:#bab6b6;--color-neutral-500:#9b9797;--color-neutral-600:#7d7979;--color-neutral-700:#605d5d;--color-neutral-800:#444141;--color-neutral-900:#2d2b2b;--color-accent-100:#fff3e4;--color-accent-200:#ffe3bf;--color-accent-300:#facb8d;--color-accent-400:#e1ad66;--color-accent-500:#c28d41;--color-accent-600:#a06f24;--color-accent-700:#7d5411;--color-accent-800:#5a3b0a;--color-accent-900:#3a270d;--color-accent-2-100:#fff3e4;--color-accent-2-200:#ffe3be;--color-accent-2-300:#f5cd96;--color-accent-2-400:#dbaf70;--color-accent-2-500:#bc8f4e;--color-accent-2-600:#9b7232;--color-accent-2-700:#79561f;--color-accent-2-800:#573d14;--color-accent-2-900:#382810;--font-heading:"Cormorant Garamond", Georgia, "Times New Roman", serif;--font-heading-weight:600;--font-body:"Lora", Georgia, "Times New Roman", serif;--space-1:4.6px;--space-2:9.2px;--space-3:13.8px;--space-4:18.4px;--space-6:27.6px;--space-8:36.8px;--radius-sm:2px;--radius-md:4px;--radius-lg:7px;--shadow-sm:0 1px 2px #2d2b2b24;--shadow-md:0 3px 10px #2d2b2b29;--shadow-lg:0 12px 32px #2d2b2b38;--color-danger:#a04747;--color-danger-bg:#fbeeee;--color-danger-text:#5d2828;--color-success:#46806a;--color-success-bg:#ecf5f1;--color-success-text:#24473a;--color-warning:#a07a3c;--color-warning-bg:#f8f1e5;--color-warning-text:#5a4420;--sl-sidebar:236px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--color-bg:#191816;--color-surface:#221f1c;--color-text:#f4f1ec;--color-divider:#f4f1ec2e;--color-accent:#e1ad66;--color-accent-100:#e1ad6629;--color-accent-700:#facb8d;--color-accent-800:#facb8d;--color-neutral-100:#2d2b2b;--color-neutral-200:#221f1c;--color-neutral-800:#d7d3d3;--color-neutral-900:#f8f4f4;--color-danger:#d98d8d;--color-danger-bg:#d98d8d29;--color-danger-text:#f4d7d7;--color-success:#82bfa4;--color-success-bg:#82bfa429;--color-success-text:#d3ece1;--color-warning:#dcae6a;--color-warning-bg:#dcae6a29;--color-warning-text:#f4e3c8;--shadow-sm:0 1px 2px #00000073;--shadow-md:0 3px 10px #00000080;--shadow-lg:0 12px 32px #00000094}}:root[data-theme=dark]{--color-bg:#191816;--color-surface:#221f1c;--color-text:#f4f1ec;--color-divider:#f4f1ec2e;--color-accent:#e1ad66;--color-accent-100:#e1ad6629;--color-accent-700:#facb8d;--color-accent-800:#facb8d;--color-neutral-100:#2d2b2b;--color-neutral-200:#221f1c;--color-neutral-800:#d7d3d3;--color-neutral-900:#f8f4f4;--color-danger:#d98d8d;--color-danger-bg:#d98d8d29;--color-danger-text:#f4d7d7;--color-success:#82bfa4;--color-success-bg:#82bfa429;--color-success-text:#d3ece1;--color-warning:#dcae6a;--color-warning-bg:#dcae6a29;--color-warning-text:#f4e3c8;--shadow-sm:0 1px 2px #00000073;--shadow-md:0 3px 10px #00000080;--shadow-lg:0 12px 32px #00000094}@media (width>=900px) and (width<=1119px){:root{--sl-sidebar:200px}}*,:before,:after{box-sizing:border-box}body{background:var(--color-bg);color:var(--color-text);font-size:15px;font-weight:400;line-height:1.55;font-family:var(--font-body);margin:0}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:var(--font-heading-weight);letter-spacing:-.015em;margin:0 0 var(--space-2);line-height:1.12}h1{font-size:42px}h2{font-size:32px}h3{font-size:25px}h4{font-size:20px}h5{font-size:16px}h6{letter-spacing:.08em;text-transform:uppercase;font-size:13px}p{margin:0 0 var(--space-3)}a{color:var(--color-accent);text-underline-offset:3px}img{max-width:100%;display:block}figure{margin:0}.text-muted{color:color-mix(in srgb, var(--color-text) 55%, transparent)}:focus{outline:none}:focus-visible{outline:2px solid var(--color-accent-700);outline-offset:2px}::selection{background:color-mix(in srgb, var(--color-accent) 30%, transparent)}.hr{height:1px;margin:var(--space-4) 0;background:var(--color-divider);border:0}.btn{cursor:pointer;font-family:var(--font-heading);font-weight:var(--font-heading-weight);color:var(--color-text);padding:10px calc(var(--space-3) * 1.2);border-radius:var(--radius-md);white-space:normal;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;min-height:44px;font-size:14px;line-height:1.3;text-decoration:none;display:inline-flex}.btn svg{display:block}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{color:var(--color-accent);border-color:var(--color-accent)}.btn-primary:hover:not(:disabled){background:color-mix(in srgb, var(--color-accent) 12%, transparent)}.btn-primary:active:not(:disabled){background:color-mix(in srgb, var(--color-accent) 22%, transparent)}.btn-secondary{border-color:var(--color-divider)}.btn-secondary:hover:not(:disabled){background:color-mix(in srgb, var(--color-text) 7%, transparent)}.btn-secondary:active:not(:disabled){background:color-mix(in srgb, var(--color-text) 14%, transparent)}.btn-ghost{color:var(--color-accent-700);padding-inline:var(--space-2)}.btn-ghost:hover:not(:disabled){background:color-mix(in srgb, var(--color-accent) 10%, transparent)}.btn-ghost:active:not(:disabled){background:color-mix(in srgb, var(--color-accent) 18%, transparent)}.btn-danger{color:var(--color-danger);border-color:color-mix(in srgb, var(--color-danger) 45%, transparent)}.btn-danger:hover:not(:disabled){background:var(--color-danger-bg)}.btn-block{width:100%}.btn-44{min-height:44px}.btn-46{min-height:46px}.btn-48{min-height:48px}.btn-icon{flex:none;width:44px;height:44px;padding:0}.field>label,.field-label{color:color-mix(in srgb, var(--color-text) 70%, transparent);margin-bottom:5px;font-size:12px;display:block}.input{width:100%;min-height:44px;font:inherit;color:var(--color-text);caret-color:var(--color-accent);background:var(--color-bg);border:1px solid var(--color-divider);border-radius:var(--radius-md);padding:10px 12px;font-size:14px}.input:hover:not(:disabled){border-color:color-mix(in srgb, var(--color-text) 45%, transparent)}.input:focus-visible{border-color:var(--color-accent);outline-offset:0}.input:disabled{opacity:.55;cursor:not-allowed}.input::placeholder{color:color-mix(in srgb, var(--color-text) 45%, transparent)}.input[aria-invalid=true]{border-color:var(--color-danger)}textarea.input{resize:vertical;min-height:90px}select.input{cursor:pointer}.field-hint{color:color-mix(in srgb, var(--color-text) 55%, transparent);margin:5px 0 0;font-size:11.5px}.field-error{color:var(--color-danger);margin:5px 0 0;font-size:11.5px}.card{gap:var(--space-2);padding:var(--space-3);border-radius:var(--radius-md);border:1px solid var(--color-divider);background:0 0;flex-direction:column;display:flex}.card-kicker{letter-spacing:.1em;text-transform:uppercase;color:var(--color-accent-700);font-size:10px}.card-title{font-family:var(--font-heading);font-weight:var(--font-heading-weight);font-size:17px;line-height:1.2}.card-body{color:color-mix(in srgb, var(--color-text) 75%, transparent);flex:1;margin:0;font-size:13px;line-height:1.6}.card-meta{color:color-mix(in srgb, var(--color-text) 55%, transparent);align-items:center;gap:6px;font-size:11px;display:flex}.elev-sm{box-shadow:var(--shadow-sm)}.elev-md{box-shadow:var(--shadow-md)}.elev-lg{box-shadow:var(--shadow-lg)}.tag{letter-spacing:.02em;border-radius:calc(var(--radius-md) * .75);white-space:nowrap;align-items:center;padding:3px 10px;font-size:11px;display:inline-flex}.tag-accent{background:var(--color-accent-100);color:var(--color-accent-800)}.tag-neutral{background:var(--color-neutral-100);color:var(--color-neutral-800)}.tag-outline{border:1px solid var(--color-accent);color:var(--color-accent-700)}.tag-success{background:var(--color-success-bg);color:var(--color-success-text)}.tag-warning{background:var(--color-warning-bg);color:var(--color-warning-text)}.tag-danger{background:var(--color-danger-bg);color:var(--color-danger-text)}.table{border-collapse:collapse;width:100%;font-size:14px}.table th{text-align:left;letter-spacing:.08em;text-transform:uppercase;color:color-mix(in srgb, var(--color-text) 60%, transparent);padding:var(--space-2);border-bottom:1px solid var(--color-divider);font-size:11px}.table td{padding:var(--space-2);border-bottom:1px solid color-mix(in srgb, var(--color-text) 8%, transparent)}.table tbody tr:hover{background:color-mix(in srgb, var(--color-text) 4%, transparent)}.table-scroll{overflow-x:auto}.table-scroll .table{min-width:520px}.dialog-backdrop{z-index:40;padding:var(--space-4);background:#0000006b;place-items:center;display:grid;position:fixed;inset:0}.dialog{gap:var(--space-3);width:min(440px,100%);padding:var(--space-4);border-radius:var(--radius-lg);background:var(--color-surface);border:1px solid var(--color-divider);box-shadow:var(--shadow-lg);flex-direction:column;display:flex}.dialog-title{font-family:var(--font-heading);font-weight:var(--font-heading-weight);font-size:20px}.dialog-body{font-size:14px}.dialog-actions{justify-content:flex-end;gap:var(--space-2);margin-top:var(--space-2);display:flex}@keyframes slpulse{0%,to{opacity:1}50%{opacity:.35}}@keyframes slrise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes slcaret{0%,to{opacity:1}50%{opacity:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}.shell{height:100dvh;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);display:flex}.shell-col{flex-direction:column;flex:1;min-width:0;display:flex}.shell-main{flex:1;min-height:0;padding:clamp(18px,3.4vw,40px) clamp(16px,3.4vw,44px) 40px;overflow-y:auto}.sidebar{width:var(--sl-sidebar);border-right:1px solid var(--color-divider);flex-direction:column;flex:none;padding:22px 0;display:flex}.sidebar-brand{color:var(--color-accent);align-items:center;gap:11px;padding:0 20px 22px;display:flex}.sidebar-brand-name{font-family:var(--font-heading);font-weight:var(--font-heading-weight);color:var(--color-text);font-size:17px}.sidebar-nav{flex-direction:column;gap:2px;padding:0 12px;display:flex}.nav-item{width:100%;min-height:40px;font-family:var(--font-heading);font-weight:var(--font-heading-weight);text-align:left;white-space:nowrap;cursor:pointer;color:color-mix(in srgb, var(--color-text) 70%, transparent);background:0 0;border:0;border-left:2px solid #0000;align-items:center;padding:0 10px;font-size:15px;display:flex}.nav-item:hover{background:color-mix(in srgb, var(--color-text) 5%, transparent);color:var(--color-text)}.nav-item.is-active{background:var(--color-accent-100);border-left-color:var(--color-accent);color:var(--color-accent-800)}.sidebar-foot{border-top:1px solid var(--color-divider);flex-direction:column;gap:12px;margin-top:auto;padding:18px 20px 0;display:flex}.sidebar-label{letter-spacing:.16em;text-transform:uppercase;color:color-mix(in srgb, var(--color-text) 55%, transparent);margin-bottom:5px;font-size:9.5px;display:block}.sidebar-user{align-items:center;gap:9px;display:flex}.avatar{border:1px solid var(--color-divider);border-radius:var(--radius-sm);width:26px;height:26px;font-family:var(--font-heading);flex:none;place-items:center;font-size:11px;display:grid}.avatar-44{width:44px;height:44px;font-size:17px}.avatar-56{width:56px;height:56px;font-size:22px}.sidebar-username{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:12.5px;overflow:hidden}.topbar{padding:calc(11px + env(safe-area-inset-top)) 16px 11px;border-bottom:1px solid var(--color-divider);align-items:center;gap:12px;display:flex}.topbar-title{font-family:var(--font-heading);font-weight:var(--font-heading-weight);flex:1;min-width:0;font-size:16px}.bottomnav{border-top:1px solid var(--color-divider);background:var(--color-bg);padding-bottom:env(safe-area-inset-bottom);display:flex}.bottomnav-item{min-height:54px;font-family:var(--font-heading);font-weight:var(--font-heading-weight);cursor:pointer;color:color-mix(in srgb, var(--color-text) 60%, transparent);background:0 0;border:0;border-top:2px solid #0000;flex:1;justify-content:center;align-items:center;font-size:13px;display:flex}.bottomnav-item.is-active{border-top-color:var(--color-accent);color:var(--color-accent-800)}.sheet-backdrop{z-index:20;background:#0000006b;align-items:flex-end;display:flex;position:absolute;inset:0}.sheet{background:var(--color-bg);border-top:1px solid var(--color-divider);width:100%;padding:18px 18px calc(18px + env(safe-area-inset-bottom));flex-direction:column;gap:14px;max-height:88%;animation:.18s ease-out slrise;display:flex;overflow-y:auto}.sheet-row{text-align:left;cursor:pointer;border:1px solid var(--color-divider);border-radius:var(--radius-md);width:100%;min-height:56px;color:inherit;font:inherit;background:0 0;align-items:center;gap:10px;padding:8px 12px;display:flex}.sheet-row.is-active{background:var(--color-accent-100);border-color:var(--color-accent);color:var(--color-accent-800)}.page-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:26px;display:flex}.kicker{letter-spacing:.16em;text-transform:uppercase;color:var(--color-accent-700);max-width:36ch;font-size:10.5px}.page-h1{margin:4px 0 0;font-size:clamp(30px,4.2vw,44px);font-weight:400}.page-sub{color:color-mix(in srgb, var(--color-text) 58%, transparent);margin:6px 0 0;font-size:14px}.page-summary{color:color-mix(in srgb, var(--color-text) 55%, transparent);font-size:12.5px}.section{border-top:1px solid var(--color-divider);margin-top:30px;padding-top:22px}.section>h2{margin:0 0 4px;font-size:22px}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;display:flex}.rule-head{border-bottom:1px solid var(--color-divider);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:2px;padding-bottom:9px;display:flex}.rule-head-label{letter-spacing:.1em;text-transform:uppercase;color:color-mix(in srgb, var(--color-text) 60%, transparent);font-size:14px}.meta{color:color-mix(in srgb, var(--color-text) 55%, transparent);font-size:12.5px}.meta-sm{color:color-mix(in srgb, var(--color-text) 55%, transparent);font-size:11.5px}.mono{font-family:ui-monospace,Menlo,monospace}.tabular{font-variant-numeric:tabular-nums}.stack{gap:var(--space-6);flex-direction:column;display:flex}.stack-sm{gap:var(--space-3);flex-direction:column;display:flex}.row{align-items:center;gap:var(--space-3);display:flex}.row-wrap{flex-wrap:wrap}.row-between{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.row-top{justify-content:space-between;align-items:flex-start;gap:var(--space-3);display:flex}.rowline{border-bottom:1px solid color-mix(in srgb, var(--color-text) 9%, transparent)}.grow{flex:1;min-width:0}.linkish{cursor:pointer;font:inherit;color:inherit;text-underline-offset:3px;background:0 0;border:0;padding:0;text-decoration:underline}@media (width<=899px){.linkish{align-items:center;min-height:44px;display:inline-flex}}.card-grid{grid-template-columns:repeat(auto-fill,minmax(min(290px,100%),1fr));gap:clamp(16px,2vw,26px);display:grid}.form-row{grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));align-items:end;gap:16px;display:grid}.form-row-220{grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr))}.width-study{max-width:1160px;margin:0 auto}.width-admin{max-width:1000px;margin:0 auto}.width-teach{max-width:900px;margin:0 auto}.width-account{max-width:760px;margin:0 auto}.notice{border:1px solid var(--color-divider);border-radius:var(--radius-md);padding:12px 14px;font-size:13px;line-height:1.55}.notice p{margin:0}.notice p+p{margin-top:4px}.notice-title{font-family:var(--font-heading);font-weight:var(--font-heading-weight);font-size:16px}.notice-error{border-color:color-mix(in srgb, var(--color-danger) 45%, transparent);background:var(--color-danger-bg);color:var(--color-danger-text)}.notice-success{border-color:color-mix(in srgb, var(--color-success) 45%, transparent);background:var(--color-success-bg);color:var(--color-success-text)}.notice-warning{border-color:color-mix(in srgb, var(--color-warning) 45%, transparent);background:var(--color-warning-bg);color:var(--color-warning-text)}.notice-accent{border-color:color-mix(in srgb, var(--color-accent) 45%, transparent);background:color-mix(in srgb, var(--color-accent) 8%, transparent)}.loading-line{color:color-mix(in srgb, var(--color-text) 60%, transparent);align-items:center;gap:10px;font-size:13.5px;display:flex}.loading-dot{background:var(--color-accent);border-radius:50%;flex:none;width:7px;height:7px;animation:1.2s ease-in-out infinite slpulse}.skeleton{background:color-mix(in srgb, var(--color-text) 12%, transparent);border-radius:var(--radius-sm);animation:1.4s ease-in-out infinite slpulse}.skeleton-quiet{background:color-mix(in srgb, var(--color-text) 8%, transparent)}.empty{text-align:center;align-items:center;padding:34px 24px}.empty-title{font-family:var(--font-heading);font-weight:var(--font-heading-weight);font-size:22px}.empty-sub{color:color-mix(in srgb, var(--color-text) 55%, transparent);max-width:42ch;margin:0 auto;font-size:13.5px}.empty-inline{color:color-mix(in srgb, var(--color-text) 55%, transparent);border-top:1px solid var(--color-divider);margin:0;padding-top:12px;font-size:13px}.signin{min-height:100dvh;padding-top:env(safe-area-inset-top);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);grid-template-columns:repeat(auto-fit,minmax(min(430px,100%),1fr));display:grid}.signin-left{border-right:1px solid var(--color-divider);flex-direction:column;justify-content:space-between;gap:40px;padding:clamp(28px,5vw,64px);display:flex}.signin-h1{margin:0;font-size:clamp(38px,5.6vw,64px);font-weight:400;line-height:1.04}.signin-prose{text-align:justify;-webkit-hyphens:auto;hyphens:auto;max-width:52ch;font-size:16px;line-height:1.7}.signin-right{background:var(--color-surface);flex-direction:column;justify-content:center;align-items:center;padding:clamp(28px,5vw,64px);display:flex}.signin-form{flex-direction:column;gap:14px;width:100%;max-width:400px;display:flex}.resume-card{border-color:color-mix(in srgb, var(--color-accent) 45%, transparent);flex-flow:wrap;align-items:center;gap:18px;margin-bottom:34px;padding:18px 20px}.course-row{text-align:left;cursor:pointer;border:0;border-bottom:1px solid var(--color-divider);width:100%;color:inherit;font:inherit;background:0 0;align-items:center;gap:clamp(12px,2vw,22px);padding:clamp(16px,2vw,22px) 4px;display:flex}.course-row:hover{background:color-mix(in srgb, var(--color-accent) 5%, transparent)}.course-code{font-family:var(--font-heading);font-weight:var(--font-heading-weight);letter-spacing:.08em;color:var(--color-accent-700);font-variant-numeric:tabular-nums;flex:none;width:66px;font-size:12px}.course-name{font-family:var(--font-heading);font-weight:var(--font-heading-weight);text-wrap:pretty;font-size:clamp(19px,2.5vw,25px);line-height:1.2}.course-toggle{font-family:var(--font-heading);color:var(--color-accent);flex:none;font-size:20px}.topic-row{text-align:left;cursor:pointer;border:0;border-top:1px solid color-mix(in srgb, var(--color-text) 8%, transparent);width:100%;min-height:56px;color:inherit;font:inherit;background:0 0;align-items:center;gap:12px;padding:12px clamp(8px,1.4vw,14px);display:flex}.topic-row:hover{background:color-mix(in srgb, var(--color-text) 4%, 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