/* Standalone Minimal Utilities & Reset (Zero CDN dependencies) */
*, ::before, ::after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
    border-color: currentColor;
    margin: 0;
    padding: 0;
}
html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
}
body {
    margin: 0;
    line-height: inherit;
}
hr {
    height: 0;
    color: inherit;
    border-top-width: 1px;
}
h1, h2, h3, h4, h5, h6 {
    font-size: inherit;
    font-weight: inherit;
}
a {
    color: inherit;
    text-decoration: inherit;
}
button, input, optgroup, select, textarea {
    font-family: inherit;
    font-size: 100%;
    font-weight: inherit;
    line-height: inherit;
    color: inherit;
    margin: 0;
    padding: 0;
    background: transparent;
}
button, select {
    text-transform: none;
}
button, [type='button'], [type='reset'], [type='submit'] {
    -webkit-appearance: button;
    background-color: transparent;
    background-image: none;
    cursor: pointer;
}
img, svg, video, canvas, audio, iframe, embed, object {
    display: block;
    vertical-align: middle;
}
img, video {
    max-width: 100%;
    height: auto;
}

/* Utilities */
.absolute { position: absolute; }
.relative { position: relative; }
.inset-y-0 { top: 0px; bottom: 0px; }
.top-1\/2 { top: 50%; }
.left-0 { left: 0px; }
.right-2\.5 { right: 0.625rem; }
.-translate-y-1\/2 { transform: translateY(-50%); }

.pointer-events-none { pointer-events: none; }
.cursor-pointer { cursor: pointer; }

.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }

.aspect-\[37\/27\] { aspect-ratio: 37/27; }
.w-28 { width: 7rem; }
.w-full { width: 100%; }
.min-h-screen { min-height: 100vh; }
.max-w-4xl { max-width: 56rem; }

.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

.gap-1 { gap: 0.25rem; }
.gap-1\.5 { gap: 0.375rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.space-x-2 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.5rem; }
.space-x-4 > :not([hidden]) ~ :not([hidden]) { margin-left: 1rem; }
.space-y-1\.5 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.375rem; }
.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }
.space-y-6 > :not([hidden]) ~ :not([hidden]) { margin-top: 1.5rem; }

.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }

.rounded-sm { border-radius: 0.125rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded { border-radius: 0.25rem; }

.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-b { border-bottom-width: 1px; }
.border-t { border-top-width: 1px; }
.border-dashed { border-style: dashed; }
.border-red-500\/50 { border-color: rgba(239, 68, 68, 0.5); }
.last\:border-0:last-child { border-width: 0px; }

.p-2 { padding: 0.5rem; }
.p-2\.5 { padding: 0.625rem; }
.p-3 { padding: 0.75rem; }
.p-3\.5 { padding: 0.875rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.px-1\.5 { padding-left: 0.375rem; padding-right: 0.375rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-2\.5 { padding-left: 0.625rem; padding-right: 0.625rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-3\.5 { padding-left: 0.875rem; padding-right: 0.875rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }

.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-4 { padding-top: 1rem; }
.pt-6 { padding-top: 1.5rem; }
.pt-8 { padding-top: 2rem; }
.pb-1 { padding-bottom: 0.25rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-2\.5 { padding-bottom: 0.625rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-6 { padding-bottom: 1.5rem; }
.pl-1 { padding-left: 0.25rem; }
.pl-3 { padding-left: 0.75rem; }
.pl-3\.5 { padding-left: 0.875rem; }
.pl-4 { padding-left: 1rem; }
.pl-8 { padding-left: 2rem; }
.pr-28 { padding-right: 7rem; }
.last\:pb-0:last-child { padding-bottom: 0px; }

.m-0 { margin: 0px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-0 { margin-top: 0px; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-1\.5 { margin-bottom: 0.375rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mr-1\.5 { margin-right: 0.375rem; }
.mr-2 { margin-right: 0.5rem; }
.ml-2 { margin-left: 0.5rem; }

.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
.text-\[10px\] { font-size: 10px; line-height: 14px; }
.text-\[11px\] { font-size: 11px; line-height: 15px; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-red-500 { color: rgb(239, 68, 68); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.underline { text-decoration-line: underline; }
.hover\:underline:hover { text-decoration-line: underline; }
.leading-relaxed { line-height: 1.625; }
.whitespace-nowrap { white-space: nowrap; }
.opacity-75 { opacity: 0.75; }

.transition { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.duration-150 { transition-duration: 150ms; }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .5; }
}

/* Responsive Media Queries */
@media (min-width: 640px) {
    .sm\:block { display: block; }
    .sm\:flex-row { flex-direction: row; }
    .sm\:items-center { align-items: center; }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sm\:gap-3 { gap: 0.75rem; }
    .sm\:p-4 { padding: 1rem; }
    .sm\:p-6 { padding: 1.5rem; }
    .sm\:p-8 { padding: 2rem; }
    .sm\:pt-6 { padding-top: 1.5rem; }
    .sm\:pt-8 { padding-top: 2rem; }
    .sm\:pb-4 { padding-bottom: 1rem; }
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .sm\:mt-0 { margin-top: 0px; }
    .sm\:mt-4 { margin-top: 1rem; }
    .sm\:mt-10 { margin-top: 2.5rem; }
    .sm\:mt-12 { margin-top: 3rem; }
    .sm\:space-x-3 > :not([hidden]) ~ :not([hidden]) { margin-left: 0.75rem; }
    .sm\:text-xs { font-size: 0.75rem; line-height: 1rem; }
    .sm\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
    .sm\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
    .sm\:text-xl { font-size: 1.25rem; line-height: 1.75rem; }
    .sm\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
}

@media (min-width: 768px) {
    .md\:p-8 { padding: 2rem; }
    .md\:p-12 { padding: 3rem; }
}

/* Accessibility & Focus Utilities */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.skip-link {
    position: absolute;
    top: -120px;
    left: 1rem;
    background-color: var(--bg-header, #1a140d);
    color: var(--text-heading, #fef08a);
    border: 2px solid var(--border-primary, #d97706);
    padding: 0.5rem 1rem;
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 9999;
    text-decoration: none;
    transition: top 0.15s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.skip-link:focus, .skip-link:focus-visible {
    top: 0.75rem;
    outline: 2px solid var(--border-primary, #d97706);
    outline-offset: 2px;
}

:focus-visible {
    outline: 2px solid var(--border-primary, #d97706);
    outline-offset: 2px;
}

.tab-button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    font-weight: 700;
    color: var(--text-main);
    background: transparent;
    border: none;
    border-radius: 0;
    text-align: inherit;
    cursor: pointer;
    white-space: nowrap;
    padding: 0.5rem 1rem;
    transition: background-color 150ms ease, color 150ms ease;
}

.tab-button:focus {
    outline: none;
}

.tab-button:focus-visible {
    outline: 1px dashed var(--border-primary, #d97706) !important;
    outline-offset: -2px !important;
    background-color: var(--bg-tab-hover) !important;
}