/* === Core base (tiny Tailwind-like utilities) === */
html{line-height:1.5;-webkit-text-size-adjust:100%}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica Neue,Arial,'Apple Color Emoji','Segoe UI Emoji'}
*,*::before,*::after{box-sizing:border-box}
img,svg,video,canvas,audio,iframe,embed,object{display:block;max-width:100%}
a{color:inherit;text-decoration:inherit}
button,input,select,textarea{font:inherit;color:inherit}
pre,code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}

/* Container + responsive width */
.container{width:100%;margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem;max-width:1200px}
@media (min-width:1024px){.container{max-width:1400px}}

/* Minimal utilities used by the page (subset) */
.block{display:block}.hidden{display:none}.flex{display:flex}.grid{display:grid}.flex-wrap{flex-wrap:wrap}
.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}
.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:768px){.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}
.gap-3{gap:.75rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.gap-8{gap:2rem}
.w-full{width:100%}.min-h-screen{min-height:100vh}.max-h-96{max-height:24rem}.overflow-y-auto{overflow-y:auto}.resize-none{resize:none}.max-w-none{max-width:none}
.p-4{padding:1rem}.p-6{padding:1.5rem}
.px-4{padding-left:1rem;padding-right:1rem}.px-6{padding-left:1.5rem;padding-right:1.5rem}
.py-2{padding-top:.5rem;padding-bottom:.5rem}.py-3{padding-top:.75rem;padding-bottom:.75rem}.py-4{padding-top:1rem;padding-bottom:1rem}.py-6{padding-top:1.5rem;padding-bottom:1.5rem}
.mt-6{margin-top:1.5rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.mr-2{margin-right:.5rem}.mx-auto{margin-left:auto;margin-right:auto}
.space-y-2>:not([hidden])~:not([hidden]){--tw-space-y:.5rem;margin-top:var(--tw-space-y)}
.space-y-4>:not([hidden])~:not([hidden]){--tw-space-y:1rem;margin-top:var(--tw-space-y)}
.text-sm{font-size:.875rem;line-height:1.25rem}.text-base{font-size:1rem;line-height:1.5rem}.text-lg{font-size:1.125rem;line-height:1.75rem}
.text-2xl{font-size:1.5rem;line-height:2rem}.text-4xl{font-size:2.25rem;line-height:2.5rem}
.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}
.text-center{text-align:center}.text-left{text-align:left}.whitespace-pre-wrap{white-space:pre-wrap}
.border{border-width:1px}.border-gray-200{border-color:#e5e7eb}.border-gray-300{border-color:#d1d5db}
.rounded{border-radius:.25rem}.rounded-lg{border-radius:.5rem}.rounded-xl{border-radius:.75rem}.rounded-full{border-radius:9999px}
.shadow-lg{box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05)}
.bg-white{background-color:#fff}.bg-blue-50{background-color:#eff6ff}.bg-green-50{background-color:#f0fdf4}.bg-red-50{background-color:#fef2f2}.bg-yellow-50{background-color:#fefce8}.bg-purple-50{background-color:#faf5ff}
.bg-green-100{background-color:#dcfce7}.bg-red-100{background-color:#fee2e2}.bg-green-200{background-color:#bbf7d0}.bg-red-200{background-color:#fecaca}.bg-yellow-200{background-color:#fde68a}
.text-white{color:#fff}.text-gray-500{color:#6b7280}.text-gray-600{color:#4b5563}.text-gray-700{color:#374151}.text-gray-800{color:#1f2937}
.text-blue-600{color:#2563eb}.text-blue-700{color:#1d4ed8}.text-blue-800{color:#1e40af}
.text-green-600{color:#16a34a}.text-green-700{color:#15803d}.text-green-800{color:#166534}
.text-red-600{color:#dc2626}.text-red-800{color:#991b1b}.text-yellow-600{color:#ca8a04}.text-purple-700{color:#7e22ce}.text-purple-800{color:#6b21a8}
.transition-all{transition:all .2s ease}.transition-colors{transition:background-color .2s ease,color .2s ease,border-color .2s ease}.transition-transform{transition:transform .2s ease}.duration-200{transition-duration:.2s}
.hover\:bg-gray-50:hover{background-color:#f9fafb}.hover\:bg-green-200:hover{background-color:#bbf7d0}.hover\:bg-red-200:hover{background-color:#fecaca}.hover\:scale-105:hover{transform:scale(1.05)}
.cursor-pointer{cursor:pointer}
.focus\:outline-none:focus{outline:2px solid transparent;outline-offset:2px}
.focus\:ring-2:focus{outline-width:2px}.focus\:ring-blue-500:focus{outline-color:#3b82f6}.focus\:ring-green-500:focus{outline-color:#22c55e}
.focus\:border-transparent:focus{border-color:transparent}.focus\:bg-gray-50:focus{background-color:#f9fafb}
.change-added{background-color:#dcfce7}.change-deleted{background-color:#fee2e2}.change-modified{background-color:#fef9c3}

/* File input button variants */
.file\:mr-4::file-selector-button{margin-right:1rem}
.file\:rounded-full::file-selector-button{border-radius:9999px}
.file\:border-0::file-selector-button{border:0}
.file\:bg-blue-50::file-selector-button{background-color:#eff6ff}
.file\:bg-green-50::file-selector-button{background-color:#f0fdf4}
.file\:text-blue-700::file-selector-button{color:#1d4ed8}
.file\:text-green-700::file-selector-button{color:#15803d}
.file\:text-sm::file-selector-button{font-size:.875rem}
.file\:py-2::file-selector-button{padding-top:.5rem}
.file\:px-4::file-selector-button{padding-left:1rem}
.file\:font-semibold::file-selector-button{font-weight:600}
.hover\:file\:bg-blue-100:hover::file-selector-button{background-color:#dbeafe}
.hover\:file\:bg-green-100:hover::file-selector-button{background-color:#dcfce7}
.disabled\:cursor-not-allowed:disabled{cursor:not-allowed}.disabled\:opacity-50:disabled{opacity:.5}

/* Prose minimal spacing */
.prose p{margin:0 0 .75rem 0}.prose ul{margin:0 0 .75rem 1.25rem}.prose li{margin:.25rem 0}

/* Comfy textareas */
textarea{font-size:1rem;line-height:1.6;padding:.75rem 1rem;min-height:20rem}
@media (min-width:1024px){textarea{min-height:22rem}}

/* === Page background (force the classic light-blue ambience) === */
html,body{height:100%}
body{background:linear-gradient(135deg,#eff6ff,#e0e7ff)}

/* === Top navigation (non-sticky) === */
.topbar{background:#ffffffcc;border-bottom:1px solid #e5e7eb;/* no sticky */}
.nav-container{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem}
.brand{font-weight:700;font-size:1.125rem;color:#1f2937;text-decoration:none}
.nav-links{display:flex;gap:1rem;list-style:none;margin:0;padding:0}
.nav-links a{color:#374151;text-decoration:none;padding:.5rem .75rem;border-radius:.5rem}
.nav-links a:hover{background:#f9fafb}
.hamburger{display:none;background:none;border:0;padding:.5rem}
.hamburger span{display:block;width:22px;height:2px;background:#374151;margin:4px 0;border-radius:2px;transition:transform .2s,opacity .2s}

/* Mobile menu panel with close button */
@media (max-width:768px){
  .nav-links{display:none;position:absolute;left:0;right:0;top:56px;background:#fffffff2;padding:.75rem 1rem;border-bottom:1px solid #e5e7eb}
  .nav-links.open{display:block}
  .hamburger{display:block}
  .nav-close{display:block;margin-left:auto;background:none;border:0;font-size:1.25rem;line-height:1;padding:.25rem .5rem;color:#374151}
  .nav-row{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}
}
@media (min-width:769px){ .nav-close{display:none} }


/* === FORCE light-blue background (classic ambience) === */
html,body{height:100%}
body{background:linear-gradient(135deg,#eff6ff,#e0e7ff)}

/* === Top navigation (non-sticky) === */
.topbar{background:#ffffffcc;border-bottom:1px solid #e5e7eb}
.nav-container{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem}
.brand{font-weight:700;font-size:1.125rem;color:#1f2937;text-decoration:none}
.nav-links{display:flex;gap:1rem;list-style:none;margin:0;padding:0}
.nav-links a{color:#374151;text-decoration:none;padding:.5rem .75rem;border-radius:.5rem}
.nav-links a:hover{background:#f9fafb}
.hamburger{display:none;background:none;border:0;padding:.5rem}
.hamburger span{display:block;width:22px;height:2px;background:#374151;margin:4px 0;border-radius:2px}

/* Mobile dropdown with explicit close button */
@media (max-width:768px){
  .nav-links{display:none;position:absolute;left:0;right:0;top:56px;background:#fffffff2;padding:.75rem 1rem;border-bottom:1px solid #e5e7eb}
  .nav-links.open{display:block}
  .hamburger{display:block}
  .nav-close{display:block;margin-left:auto;background:none;border:0;font-size:1.25rem;line-height:1;padding:.25rem .5rem;color:#374151}
  .nav-row{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}
}
@media (min-width:769px){ .nav-close{display:none} }


/* --- Gradient button utilities (to match original look) --- */
.bg-gradient-to-r{background-image:linear-gradient(to right,var(--tw-gradient-from,#9333ea),var(--tw-gradient-to,#2563eb))}
.from-purple-600{--tw-gradient-from:#9333ea}
.to-blue-600{--tw-gradient-to:#2563eb}
.hover\:from-purple-700:hover{--tw-gradient-from:#7e22ce}
.hover\:to-blue-700:hover{--tw-gradient-to:#1d4ed8}
.transform{transform:translateZ(0)}