:root{--bg:#101311;--panel:#171c18;--panel2:#202620;--line:#30382f;--text:#f4f6ef;--muted:#9ca69b;--accent:#d7ff4f;--accent2:#9fcb18;--danger:#ff6b61;--radius:14px;--shadow:0 16px 48px rgba(0,0,0,.25)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}.muted{color:var(--muted)}a{color:inherit;text-decoration:none}
.auth-page{display:grid;place-items:center;min-height:100vh;padding:28px;background:radial-gradient(circle at 18% 20%,#263224 0,transparent 36%),radial-gradient(circle at 82% 78%,#2c3219 0,transparent 32%),#0c0f0d}
.auth-card,.install-card{width:min(440px,100%);padding:36px;border:1px solid var(--line);border-radius:22px;background:rgba(23,28,24,.94);box-shadow:var(--shadow)}.install-card{width:min(720px,100%)}
.brand-mark{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:var(--accent);color:#111;font-weight:900;font-size:24px;transform:rotate(-4deg);margin-bottom:20px}.auth-card h1,.install-card h1{margin:0 0 8px;font-size:27px}.auth-card p,.install-card p{margin:0 0 24px}
label{display:grid;gap:8px;margin:16px 0;color:#dfe5da;font-size:14px}input,select,textarea{width:100%;border:1px solid var(--line);background:#101411;color:var(--text);border-radius:10px;padding:11px 12px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent2);box-shadow:0 0 0 3px rgba(159,203,24,.14)}small{font-size:12px;color:var(--muted)}
button,.button{border:1px solid var(--line);background:#252c25;color:var(--text);border-radius:10px;padding:10px 14px;transition:.18s ease}.primary{border-color:var(--accent);background:var(--accent);color:#111;font-weight:800}.primary:hover{background:#e3ff78}.danger{color:#ffaaa4}.ghost{background:transparent}.small{padding:7px 10px;font-size:13px}.icon-btn{width:38px;height:38px;padding:0;display:grid;place-items:center}.button-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.auth-card form .primary{width:100%;margin-top:8px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.span-2{grid-column:1/-1}.alert{padding:11px 13px;border-radius:10px;margin:16px 0;font-size:14px}.alert.error{background:#3b201f;color:#ffb1aa}.alert.success{background:#23361f;color:#c9ffb8}
.topbar{height:64px;border-bottom:1px solid var(--line);background:#121613;display:flex;align-items:center;justify-content:space-between;padding:0 20px;position:relative;z-index:5}.brand-inline{display:flex;align-items:center;gap:12px;font-weight:850}.brand-inline .brand-mark{width:34px;height:34px;margin:0;border-radius:10px;font-size:17px}.top-actions{display:flex;align-items:center;gap:8px}.user-chip{color:var(--muted);font-size:14px;margin-right:6px}
.studio{height:calc(100vh - 64px);display:grid;grid-template-columns:286px minmax(360px,1fr) 310px;overflow:hidden}.side-panel{background:var(--panel);border-right:1px solid var(--line);overflow:auto;padding:16px}.side-panel.right{border-left:1px solid var(--line);border-right:0}.panel-section{padding:4px 0 18px;border-bottom:1px solid var(--line);margin-bottom:14px}.panel-section:last-child{border-bottom:0}.panel-title{display:flex;justify-content:space-between;align-items:center;margin:0 0 12px;font-size:14px;font-weight:800}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.tool-card{display:grid;place-items:center;gap:7px;min-height:74px;padding:12px 8px;text-align:center;font-size:13px}.tool-icon{font-size:22px;line-height:1}.file-input{display:none}
.template-list{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.template-item{position:relative;aspect-ratio:1;border:2px solid transparent;border-radius:10px;overflow:hidden;background:#0c0f0d;padding:0}.template-item img{width:100%;height:100%;object-fit:cover}.template-item span{position:absolute;left:0;right:0;bottom:0;padding:18px 6px 6px;background:linear-gradient(transparent,rgba(0,0,0,.9));font-size:12px;text-align:left}.template-item.active{border-color:var(--accent)}
.workspace{position:relative;overflow:hidden;background-color:#262a27;background-image:linear-gradient(45deg,#2e332f 25%,transparent 25%),linear-gradient(-45deg,#2e332f 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#2e332f 75%),linear-gradient(-45deg,transparent 75%,#2e332f 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0;display:grid;grid-template-rows:52px 1fr}.workspace-toolbar{background:rgba(17,21,18,.93);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:7px 12px;gap:10px}.workspace-toolbar .group{display:flex;gap:7px;align-items:center}.zoom-label{width:56px;text-align:center;font-size:13px;color:var(--muted)}
.canvas-scroll{overflow:auto;display:grid;place-items:center;padding:50px;position:relative}.canvas-wrap{position:relative;box-shadow:0 18px 70px rgba(0,0,0,.45);transform-origin:center;background:transparent;flex:none}.canvas-wrap canvas{display:block;background:transparent;max-width:none}.drop-hint{position:absolute;inset:20px;border:2px dashed var(--accent);border-radius:18px;display:none;place-items:center;background:rgba(16,19,17,.82);z-index:4;font-size:18px;font-weight:800}.workspace.dragging .drop-hint{display:grid}
.layer-list{display:grid;gap:7px}.layer-row{display:grid;grid-template-columns:34px 1fr 30px 30px;align-items:center;border:1px solid var(--line);border-radius:10px;background:#121613;min-height:45px;overflow:hidden}.layer-row.active{border-color:var(--accent2);background:#20281d}.layer-thumb{width:34px;height:44px;display:grid;place-items:center;color:var(--muted);font-size:16px}.layer-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.layer-action{border:0;border-radius:0;background:transparent;padding:0;height:44px;color:var(--muted)}.layer-action:hover{color:var(--text)}
.empty-state{padding:18px 8px;color:var(--muted);text-align:center;font-size:13px;border:1px dashed var(--line);border-radius:10px}.property-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}.property-grid .full{grid-column:1/-1}.property-grid label{margin:8px 0}.range-row{display:grid;grid-template-columns:1fr 64px;gap:8px;align-items:center}.range-row input[type=range]{padding:0}.color-input{height:42px;padding:4px}.canvas-size-row{display:grid;grid-template-columns:1fr 18px 1fr;gap:6px;align-items:center}.canvas-size-row span{text-align:center;color:var(--muted)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:20;display:none;place-items:center;padding:20px}.modal.open{display:grid}.modal-card{width:min(700px,100%);max-height:85vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:22px}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.modal-head h2{margin:0;font-size:20px}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.project-card{border:1px solid var(--line);border-radius:12px;padding:12px;background:#111512}.project-card img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px;background:#252925}.project-card h3{font-size:14px;margin:10px 0 3px}.project-card p{font-size:12px;color:var(--muted);margin:0 0 10px}
.admin-shell{min-height:calc(100vh - 64px);padding:24px;background:#0f1310}.admin-wrap{max-width:1180px;margin:auto}.page-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px}.page-head h1{margin:0 0 6px;font-size:28px}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:20px}.tab{padding:10px 14px;border-radius:9px 9px 0 0;color:var(--muted)}.tab.active{background:var(--panel2);color:var(--text)}.admin-grid{display:grid;grid-template-columns:360px 1fr;gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}.card h2{font-size:17px;margin:0 0 14px}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th,.data-table td{padding:11px 9px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}.data-table th{color:var(--muted);font-weight:600}.thumb-mini{width:52px;height:52px;object-fit:cover;border-radius:8px;background:#222}.badge{display:inline-flex;padding:4px 8px;border-radius:99px;background:#2a3228;color:#dcead4;font-size:12px}.admin-form label{margin:10px 0}.admin-form .primary{width:100%;margin-top:8px}
.toast-stack{position:fixed;right:18px;bottom:18px;z-index:50;display:grid;gap:8px}.toast{min-width:240px;max-width:340px;padding:12px 14px;border:1px solid var(--line);background:#1f271e;border-radius:10px;box-shadow:var(--shadow);font-size:14px}.toast.error{border-color:#77413d;background:#38201e}
@media(max-width:1100px){.studio{grid-template-columns:250px minmax(330px,1fr) 270px}.side-panel{padding:12px}}
@media(max-width:820px){.topbar{height:auto;min-height:62px;padding:10px 12px;flex-wrap:wrap}.studio{height:auto;min-height:calc(100vh - 62px);grid-template-columns:1fr;overflow:visible}.side-panel{border:0;border-bottom:1px solid var(--line);max-height:none}.workspace{height:70vh;min-height:520px;order:-1}.side-panel.right{border-left:0}.template-list{grid-template-columns:repeat(4,1fr)}.admin-grid{grid-template-columns:1fr}.project-grid{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.top-actions .user-chip{display:none}}
@media(max-width:520px){.template-list{grid-template-columns:repeat(3,1fr)}.project-grid{grid-template-columns:1fr}.canvas-scroll{padding:28px}.workspace-toolbar{overflow-x:auto}.page-head{display:block}.page-head .button-row{margin-top:14px}}