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var(--air-border)}.app-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:10px 16px;cursor:pointer;font-weight:600;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease}.app-button:disabled{opacity:.55;cursor:not-allowed}.app-button.primary{background:linear-gradient(135deg,#7c6cf0,#4fd6c2);color:#fff;box-shadow:0 10px 22px -10px #7c6cf0bf}.app-button.primary:not(:disabled):hover{transform:translateY(-1px)}.app-button.ghost{background:#ffffffb3;border-color:var(--air-border);color:var(--air-text)}.app-button.danger{background:var(--air-danger);color:#fff}.app-button.block{width:100%}.app-input,.app-textarea,.app-select .trigger{border:1px solid var(--air-border);border-radius:10px;background:var(--air-surface);color:var(--air-text)}.app-input input,.app-textarea textarea,.app-select .trigger{width:100%;padding:10px 12px;outline:none}.app-input input:focus,.app-textarea textarea:focus,.app-select .trigger:focus{border-color:var(--air-brand);box-shadow:0 0 0 2px #7c6cf029}.app-select .dropdown{border:1px solid var(--air-border);border-radius:12px;background:var(--air-surface);box-shadow:var(--air-shadow-md)}.app-select .option:hover,.app-select .option.active{background:var(--air-brand-soft);color:var(--air-brand-dark)}.audio-player{background:var(--air-surface);border:1px solid var(--air-border);border-radius:var(--air-radius-md);padding:16px;box-shadow:var(--air-shadow-sm)}.audio-player .play{border:0;background:linear-gradient(135deg,#7c6cf0,#4fd6c2);color:#fff;border-radius:999px;padding:8px 16px;cursor:pointer;font-weight:600}.status-tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:var(--air-brand-soft);color:var(--air-brand-dark)}.status-tag.success{background:#e7f7ef;color:var(--air-success)}.status-tag.warning{background:#fff4e5;color:var(--air-warning)}.status-tag.danger{background:#fdecec;color:var(--air-danger)}.status-tag.info{background:#eef2f7;color:var(--air-muted)}.app-table{width:100%;border-collapse:collapse;background:var(--air-surface);border-radius:var(--air-radius-md);overflow:hidden;border:1px solid var(--air-border)}.app-table th,.app-table td{padding:12px 14px;border-bottom:1px solid var(--air-border);text-align:left;font-size:13px}.app-table th{color:var(--air-muted);font-weight:600;background:var(--air-surface-soft)}.login-page{position:relative;z-index:1;min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(400px,100%);background:var(--air-glass-strong);border:1px solid var(--air-stroke);border-radius:var(--air-radius-lg);box-shadow:var(--air-shadow-md);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:28px;display:flex;flex-direction:column;gap:14px}.login-card h2{font-family:Space Grotesk,sans-serif;font-size:24px;letter-spacing:-.02em}.login-card .tip{color:var(--air-muted);font-size:13px}@media (max-width: 900px){.air-shell{grid-template-columns:1fr;height:auto;overflow:visible}.air-sidebar{height:auto;margin:12px;padding:18px 14px}.air-content{height:auto;padding:8px 16px 40px}.air-hero{grid-template-columns:1fr}.air-heading{flex-direction:column;align-items:stretch}}.text-center{text-align:center}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.gap-12{gap:12px}.form-hint{width:100%;color:var(--air-subtle);font-size:12px;line-height:1.4;margin-top:4px}.empty-state{padding:40px 16px;text-align:center;color:var(--air-muted);background:var(--air-surface);border:1px dashed var(--air-border-strong);border-radius:var(--air-radius-md)}