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td.is-peak{font-weight:650}.is-cold{color:#6f9bb5;background:#5a96b829}.is-warm{color:var(--gold);background:#c6a15b24}.is-hot{color:var(--green);background:var(--green-soft)}.is-peak{color:#c47b74;background:#c47b7424}.studio-modal{border:1px solid var(--line);background:var(--surface);width:min(520px,100%);color:var(--ink);box-shadow:var(--shadow);border-radius:22px;overflow:hidden}.studio-modal header,.studio-modal footer{justify-content:space-between;align-items:center;gap:12px;padding:18px 22px;display:flex}.studio-modal header{border-bottom:1px solid var(--line)}.studio-modal header strong{font-size:16px}.studio-modal header p,.studio-note{color:var(--muted);margin:6px 0 0;font-size:13px;line-height:1.45}.studio-modal footer{border-top:1px solid var(--line)}.studio-modal .studio-body{flex-direction:column;gap:18px;padding:22px 22px 18px;display:flex}.studio-modal .studio-body label{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;flex-direction:column;gap:8px;font-size:12px;display:flex}.studio-modal .studio-body textarea{border:1px solid var(--line-strong);background:var(--input);min-height:96px;color:var(--ink);text-transform:none;letter-spacing:0;resize:vertical;border-radius:10px;padding:10px 12px;font-size:15px}.studio-modal .cover-field input[type=file]{text-transform:none;letter-spacing:0;background:0 0;border:0;height:auto;padding:0;font-size:13px}.studio-modal .studio-body input[type=text],.studio-modal .studio-body input[type=date],.studio-modal .studio-body input[type=time],.studio-modal .studio-body input[type=search],.studio-modal .studio-body select{border:1px solid var(--line-strong);background:var(--input);height:44px;color:var(--ink);text-transform:none;letter-spacing:0;border-radius:10px;padding:0 12px;font-size:15px}.studio-modal .studio-body form{flex-direction:column;gap:18px;display:flex}.studio-actions{gap:8px;display:flex}.btn-primary,.btn-secondary,.btn-ghost{border-radius:10px;justify-content:center;align-items:center;gap:8px;height:40px;padding:0 14px;font-weight:600;display:inline-flex}.btn-primary{background:var(--ink);color:var(--bg);border:0}.btn-secondary{border:1px solid var(--line-strong);color:var(--ink);background:0 0}.btn-ghost{color:var(--muted);background:0 0;border:0;padding:0 8px}.btn-primary svg,.btn-secondary svg,.btn-ghost svg,.icon-x svg{fill:none;stroke:currentColor;stroke-width:1.8px;width:16px;height:16px}.icon-x{width:34px;height:34px;color:var(--muted);background:0 0;border:0;border-radius:50%}.session-row{grid-template-columns:1fr 1fr auto;align-items:center;gap:10px;display:grid}.people{flex-direction:column;gap:2px;display:flex}.people label{text-transform:none;letter-spacing:0;min-height:46px;color:var(--ink);flex-direction:row;align-items:center;gap:10px;font-size:15px}.people input{appearance:none;border:1px solid var(--line-strong);background:var(--input);border-radius:5px;width:18px;height:18px;margin:0}.people input:checked{background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.2 6.4 11l6.1-6.2' fill='none' stroke='%23f6f3ec' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") center / 14px no-repeat;border-color:#0000}.class-modal,.grade{background:var(--surface);width:min(640px,100%);padding:18px}.class-modal header,.grade header{justify-content:space-between;align-items:center;display:flex}.class-modal header button,.grade header button{width:36px;height:36px;color:var(--ink);background:0 0;border:0;border-radius:50%}.class-modal label,.class-modal__sessions{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;flex-direction:column;gap:8px;margin-top:16px;font-size:12px;display:flex}.class-modal input,.class-modal__people{border:1px solid var(--line-strong);background:var(--input);color:var(--ink);border-radius:10px}.class-modal input{height:42px;padding:0 12px}.class-modal__sessions div,.class-modal__people label{align-items:center;gap:8px;display:flex}.class-modal__people{text-transform:none;letter-spacing:0;max-height:280px;color:var(--ink);margin-top:12px;padding:8px;overflow:auto}.class-modal__people small{color:var(--muted);margin-left:auto}.access-list{flex-direction:column;gap:18px;display:flex}.access-module{flex-direction:column;gap:6px;display:flex}.access-module>strong{color:var(--ink);font-size:14px;font-weight:650}.access-lesson{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:8px 0 8px 16px;display:flex}.access-lesson span{flex-direction:column;gap:2px;min-width:0;display:flex}.access-lesson small{color:var(--muted);font-size:12px}.access-lesson em{color:var(--muted);font-size:12px;font-style:normal}.toggle{flex:0 0 40px;width:40px;height:22px;position:relative}.toggle input{opacity:0;width:0;height:0}.toggle i{background:var(--line-strong);border-radius:99px;transition:background .2s;position:absolute;inset:0}.toggle i:before{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .2s;position:absolute;top:2px;left:2px}.toggle input:checked+i{background:var(--green)}.toggle input:checked+i:before{transform:translate(18px)}@media (width<=860px){.preview-backdrop{align-items:end;padding:12px}.studio-modal{border-radius:18px 18px 0 0;width:100%}.studio-modal .studio-body{gap:16px;padding:18px 16px 14px}.session-row{grid-template-columns:1fr}}.category-select{position:relative}.category-select__btn{border:1px solid var(--line-strong);background:var(--input);width:100%;height:44px;color:var(--ink);text-align:left;border-radius:10px;justify-content:space-between;align-items:center;padding:0 12px;font-size:15px;display:flex}.category-select__btn svg{width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:1.8px}.category-select__menu{z-index:40;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:12px;flex-direction:column;gap:2px;padding:6px;display:flex;position:absolute;top:calc(100% + 4px);left:0;right:0}.category-select__menu button{height:36px;color:var(--muted);text-align:left;background:0 0;border:0;border-radius:8px;padding:0 12px;font-size:14px}.category-select__menu button:hover,.category-select__menu button.is-on{background:var(--chip);color:var(--ink)}.confirm-backdrop{z-index:60;background:#00000073;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.confirm-modal{background:var(--surface);width:min(380px,100%);color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;overflow:hidden}.confirm-modal header{justify-content:space-between;align-items:center;padding:18px 18px 8px;display:flex}.confirm-modal header strong{font-size:17px;font-weight:650}.confirm-modal p{color:var(--muted);margin:0;padding:6px 18px 18px;font-size:14px;line-height:1.45}.confirm-modal footer{justify-content:flex-end;gap:10px;padding:0 18px 18px;display:flex}.confirm-modal .btn-ghost{color:var(--muted);background:0 0;border:0;border-radius:10px;height:36px;padding:0 14px;font-weight:600}.confirm-modal .btn-danger{color:#fff;background:#c4473a;border:0;border-radius:10px;height:36px;padding:0 16px;font-weight:650}.confirm-modal .btn-danger:hover{background:#d45245}.confirm-modal .btn-ghost:disabled,.confirm-modal .btn-danger:disabled{opacity:.5;cursor:not-allowed}.cover-field{flex-direction:column;gap:10px;display:flex}.cover-preview{aspect-ratio:16/9;border:1px dashed var(--line-strong);background:linear-gradient(180deg, transparent, #0000002e), var(--bg-soft);width:100%;max-height:240px;color:var(--muted);letter-spacing:.04em;border-radius:14px;place-items:center;font-size:12px;display:grid;overflow:hidden}.cover-preview img{object-fit:cover;object-position:center;width:100%;height:100%}.cover-preview.is-empty{border-style:dashed}.cover-preview.is-empty:before{content:"1280 × 720"}.cover-note{color:var(--muted);text-transform:none;letter-spacing:0;margin:0;font-size:12px;line-height:1.45}.admin-material{flex-direction:column;gap:10px;max-width:420px;margin-top:20px;display:flex}.admin-material img{aspect-ratio:16/9;object-fit:cover;border-radius:16px;width:100%}.admin-material span{color:var(--muted);font-size:13px;line-height:1.45}.audio-field{flex-direction:column;gap:10px;display:flex}.audio-field input[type=file]{text-transform:none;letter-spacing:0;height:auto;color:var(--muted);background:0 0;border:0;padding:0;font-size:13px}.audio-field audio{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;outline:none;width:100%;height:40px;margin-top:4px}.audio-field audio::-webkit-media-controls-panel{background:var(--bg-soft);border-radius:10px}.audio-field .cover-note{margin:0}.audio-field:not(:has(audio)) input[type=file]{border:1px dashed var(--line-strong);background:var(--bg-soft);color:var(--ink-soft);cursor:pointer;border-radius:12px;padding:12px 14px;transition:border-color .15s,background .15s}.audio-field:not(:has(audio)) input[type=file]:hover{border-color:var(--gold);background:var(--chip)}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}