/* Shared navigation; all rules stay scoped away from editor controls. */
.dpm-header{box-sizing:border-box;width:100%;max-width:1200px;margin:0 auto 18px;padding:12px 24px;display:flex;align-items:center;gap:20px;border-bottom:1px solid #273b54;font-family:Arial,sans-serif;line-height:1.5;text-align:left;background:#080b10;color:#fff;position:relative;z-index:20}
.dpm-header *{box-sizing:border-box}
.dpm-header a{color:#aacff7;text-decoration:none;border-radius:4px}
.dpm-header a:hover{color:#fff;background:#152234}
.dpm-header a:focus-visible,.dpm-header summary:focus-visible{outline:2px solid #8fc6ff;outline-offset:3px}
.dpm-header .dpm-brand{color:#fff;font-family:'DTMSans',Arial,sans-serif;font-weight:bold;font-size:14px;flex:0 0 auto;line-height:1.4}
.dpm-brand span{display:block;font-size:10px;letter-spacing:1px}
.dpm-header .dpm-tools{display:flex;gap:6px 14px;align-items:center;font-size:13px;flex-wrap:nowrap}
.dpm-desktop-tools{flex:1;justify-content:center}
.dpm-header .dpm-tools a{padding:10px 2px;border-bottom:2px solid transparent}
.dpm-header .dpm-tools a[aria-current=page]{color:#fff;border-bottom-color:#4a9eff}
.dpm-header summary{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:9px 12px;cursor:pointer;list-style:none;font-size:13px;color:#c5d5e8;border:1px solid #34465c;border-radius:8px;background:#101821;white-space:nowrap;user-select:none}
.dpm-header summary::-webkit-details-marker{display:none}
.dpm-header summary:hover,.dpm-header details[open]>summary{background:#1a2a3d;color:#fff;border-color:#6487ae}
.dpm-chevron{display:inline-block;transition:transform .15s}
.dpm-language-menu[open] .dpm-chevron{transform:rotate(180deg)}
.dpm-language-menu{position:relative;flex:0 0 auto;margin-left:auto}
.dpm-header .dpm-languages{position:absolute;top:calc(100% + 8px);right:0;display:flex;flex-direction:column;gap:4px;min-width:210px;padding:8px;border:1px solid #34465c;border-radius:10px;background:#101821;box-shadow:0 12px 32px #0008;font-size:14px}
.dpm-languages a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding:10px 12px}
.dpm-languages a[aria-current=page]{color:#fff;background:#20334c}
.dpm-languages a[aria-current=page]::after{content:'✓'}
.dpm-mobile-menu{display:none}
body:has(> .dpm-header){width:100%;min-width:0}
@media(max-width:1000px){
  .dpm-header{padding:10px 16px;gap:12px;margin-bottom:14px}
  .dpm-header .dpm-desktop-tools{display:none}
  .dpm-mobile-menu{display:block;position:fixed;bottom:calc(14px + env(safe-area-inset-bottom,0px));right:calc(16px + env(safe-area-inset-right,0px));z-index:30}
  .dpm-mobile-menu>summary{min-height:46px;padding:10px 18px;box-shadow:0 4px 18px #0006}
  .dpm-header .dpm-mobile-menu .dpm-tools{position:absolute;bottom:calc(100% + 10px);right:0;display:flex;flex-direction:column;align-items:stretch;gap:4px;width:min(300px,calc(100vw - 32px));max-height:calc(100dvh - 160px);overflow-y:auto;padding:8px;background:#101821;border:1px solid #34465c;border-radius:12px;box-shadow:0 12px 32px #0008;font-size:15px}
  .dpm-header .dpm-mobile-menu .dpm-tools a{min-height:48px;padding:12px;border-bottom:0}
  .dpm-header .dpm-mobile-menu .dpm-tools a[aria-current=page]{background:#20334c;box-shadow:inset 3px 0 #4a9eff}
  body:has(> .dpm-header){padding-bottom:calc(88px + env(safe-area-inset-bottom,0px))}
  html:has(.dpm-header){scroll-padding-bottom:100px}
}
@media(max-width:380px){
  .dpm-header{padding-inline:12px;gap:8px}
  .dpm-header .dpm-brand{font-size:12px}
  .dpm-brand span{font-size:8px}
  .dpm-language-menu summary{font-size:12px;padding-inline:8px;gap:5px}
}
@media(prefers-reduced-motion:reduce){.dpm-chevron{transition:none}}