.device-settings[data-v-0c15064b]{padding:24px;max-width:1200px;margin:0 auto}.page-header[data-v-0c15064b]{margin-bottom:32px}.page-title[data-v-0c15064b]{font-size:28px;font-weight:700;color:var(--text-primary, #1f2937);margin:0 0 8px}.page-description[data-v-0c15064b]{font-size:16px;color:var(--text-secondary, #6b7280);margin:0}.placeholder-content[data-v-0c15064b]{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;text-align:center;background:var(--card-bg, #ffffff);border-radius:12px;border:1px solid var(--border-color, #e5e7eb)}.placeholder-icon[data-v-0c15064b]{width:80px;height:80px;background:#f59e0b1a;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:24px;color:#f59e0b}.placeholder-title[data-v-0c15064b]{font-size:24px;font-weight:600;color:var(--text-primary, #1f2937);margin:0 0 12px}.placeholder-desc[data-v-0c15064b]{font-size:16px;color:var(--text-secondary, #6b7280);margin:0;max-width:400px;line-height:1.5}@media(max-width:768px){.device-settings[data-v-0c15064b]{padding:16px}.page-title[data-v-0c15064b]{font-size:24px}.placeholder-content[data-v-0c15064b]{min-height:300px;padding:32px 16px}}.dark .placeholder-content[data-v-0c15064b]{background:var(--card-bg, #1f2937);border-color:var(--border-color, #374151)}.dark .placeholder-title[data-v-0c15064b]{color:var(--text-primary, #f9fafb)}.dark .placeholder-desc[data-v-0c15064b]{color:var(--text-secondary, #d1d5db)}