/* Tailwind CSS - Minimal Build */
*, ::before, ::after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
    border-color: #d1d5db;
}

html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    margin: 0;
    line-height: inherit;
}

h1, h2, h3, h4, h5, h6 {
    font-size: inherit;
    font-weight: inherit;
}

a {
    color: inherit;
    text-decoration: inherit;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: inherit;
    color: inherit;
    margin: 0;
    padding: 0;
}

button, select {
    text-transform: none;
}

button, [type='button'], [type='submit'] {
    -webkit-appearance: button;
    cursor: pointer;
}

img, video {
    max-width: 100%;
    height: auto;
}

/* Utility Classes */
.container { width: 100%; margin-left: auto; margin-right: auto; padding-left: 1rem; padding-right: 1rem; }
@media (min-width: 640px) { .container { max-width: 640px; } }
@media (min-width: 768px) { .container { max-width: 768px; } }
@media (min-width: 1024px) { .container { max-width: 1024px; } }
@media (min-width: 1280px) { .container { max-width: 1280px; } }

.mx-auto { margin-left: auto; margin-right: auto; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.ml-4 { margin-left: 1rem; }
.mr-4 { margin-right: 1rem; }

.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.pb-2 { padding-bottom: 0.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.w-full { width: 100%; }
.w-16 { width: 4rem; }
.h-4 { height: 1rem; }
.h-16 { height: 4rem; }
.h-full { height: 100%; }
.max-w-full { max-width: 100%; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-6xl { max-width: 72rem; }
.min-h-screen { min-height: 100vh; }

.flex { display: flex; }
.inline-block { display: inline-block; }
.grid { display: grid; }
.hidden { display: none; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.flex-1 { flex: 1 1 0%; }

.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-full { border-radius: 9999px; }
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-gray-300 { border-color: #d1d5db; }
.border-gray-400 { border-color: #9ca3af; }
.border-black { border-color: #252538; }

.hover\:border-gray-400:hover { border-color: #9ca3af; }

.bg-white { background-color: #fff; }
.bg-black { background-color: #252538; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-gray-800 { background-color: #1f2937; }

.text-white { color: #fff; }
.text-black { color: #252538; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-red-600 { color: #dc2626; }

.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.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; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.text-center { text-align: center; }
.leading-relaxed { line-height: 1.625; }
.underline { text-decoration: underline; }

.overflow-hidden { overflow: hidden; }
.cursor-pointer { cursor: pointer; }

.transition { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; }

.hover\:bg-gray-100:hover { background-color: #f3f4f6; }
.hover\:bg-gray-200:hover { background-color: #e5e7eb; }
.hover\:text-gray-300:hover { color: #d1d5db; }
.hover\:border-black:hover { border-color: #000; }

.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:border-black:focus { border-color: #252538; }
.focus\:ring-2:focus { box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1); }

.list-decimal { list-style-type: decimal; }
.list-inside { list-style-position: inside; }

.flex-wrap { flex-wrap: wrap; }
.flex-col { flex-direction: column; }

.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }

.border-b { border-bottom-width: 1px; }
.border-gray-600 { border-color: #4b5563; }

@media (min-width: 768px) {
    .md\:hidden { display: none; }
    .md\:flex { display: flex; }
    .md\:mb-0 { margin-bottom: 0; }
    .md\:gap-4 { gap: 1rem; }
    .md\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Custom Styles - Black & White Theme */
body {
    background: #fff;
    color: #252538;
}

.feature-card {
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

details summary {
    cursor: pointer;
    user-select: none;
}

details summary::-webkit-details-marker {
    display: none;
}

input[type="file"]::file-selector-button {
    margin-right: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    border: 1px solid #252538;
    background-color: #252538;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

input[type="file"]::file-selector-button:hover {
    background-color: #1f2937;
}

.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }

/* Additional utility classes */
.border-t { border-top-width: 1px; }
.border-t-2 { border-top-width: 2px; }
.border-b { border-bottom-width: 1px; }
.border-b-2 { border-bottom-width: 2px; }

.opacity-50 { opacity: 0.5; }

.bg-gray-800 { background-color: #1f2937; }
.bg-red-600 { background-color: #dc2626; }

.text-red-600 { color: #dc2626; }

.hover\:bg-gray-800:hover { background-color: #1f2937; }

.disabled\:opacity-50:disabled { opacity: 0.5; }
.disabled\:cursor-not-allowed:disabled { cursor: not-allowed; }

/* Additional missing utility classes */
.block { display: block; }
.justify-center { justify-content: center; }

.rounded-full { border-radius: 9999px; }

.file\:mr-4::file-selector-button { margin-right: 1rem; }
.file\:py-2::file-selector-button { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.file\:px-4::file-selector-button { padding-left: 1rem; padding-right: 1rem; }
.file\:rounded::file-selector-button { border-radius: 0.25rem; }
.file\:border-0::file-selector-button { border-width: 0; }
.file\:bg-black::file-selector-button { background-color: #252538; }
.file\:text-white::file-selector-button { color: #fff; }
.file\:font-bold::file-selector-button { font-weight: 700; }

.hover\:file\:bg-gray-800:hover::file-selector-button { background-color: #1f2937; }

select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* SVG color support */
svg {
    display: inline-block;
    vertical-align: middle;
}

.text-white svg {
    color: #fff;
}

svg.text-white {
    color: #fff;
}

/* Hamburger Menu Icon */
.hamburger-menu {
    width: 24px;
    height: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: 0;
    background: transparent;
    border: none;
}

.hamburger-menu span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Ensure hamburger is hidden on desktop */
@media (min-width: 768px) {
    .hamburger-menu {
        display: none !important;
    }
}