:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --bg-body: #f3f4f6;
    --card-bg: #ffffff;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --border: #e5e7eb;
}

body {
    background-color: var(--bg-body);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
}

.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.hero-header {
    text-align: center;
    margin-bottom: 3rem;
}

.hero-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.hero-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.upload-card {
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    border: 1px dashed var(--border);
}

.drop-zone {
    border: 2px dashed #e5e7eb;
    border-radius: 0.75rem;
    padding: 3rem 2rem;
    transition: all 0.2s;
    cursor: pointer;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--primary);
    background-color: #eff6ff;
}

.drop-icon {
    font-size: 3rem;
    color: #9ca3af;
    margin-bottom: 1rem;
}

.browse-btn {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    margin-top: 1rem;
    transition: background 0.2s;
    border: none;
    cursor: pointer;
}

.browse-btn:hover {
    background: var(--primary-dark);
}

.host-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.host-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1rem;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.host-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.host-card.selected {
    border-color: var(--primary);
    background-color: #f0f9ff;
    box-shadow: 0 0 0 1px var(--primary);
}

/* Icon Styles */
.host-icon-wrapper {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    flex-shrink: 0;
}

.host-icon-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.host-icon-fallback {
    width: 100%;
    height: 100%;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
}

.host-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 24px;
    pointer-events: none;
    /* Let parent card handle click */
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked+.slider {
    background-color: var(--primary);
}

input:checked+.slider:before {
    transform: translateX(16px);
}

/* Tailwind Helpers */
.text-center {
    text-align: center;
}

.text-white {
    color: white;
}

.bg-gray-50 {
    background-color: #f9fafb;
}

.container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.py-8 {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.max-w-4xl {
    max-width: 56rem;
}

.bg-white {
    background-color: white;
}

.rounded-lg {
    border-radius: 0.5rem;
}

.shadow-sm {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.p-6 {
    padding: 1.5rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.text-2xl {
    font-size: 1.5rem;
    line-height: 2rem;
}

.font-bold {
    font-weight: 700;
}

.text-gray-800 {
    color: #1f2937;
}

.text-gray-500 {
    color: #6b7280;
}

.mt-1 {
    margin-top: 0.25rem;
}

.text-green-500 {
    color: #10b981;
}

.bg-green-50 {
    background-color: #ecfdf5;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.py-2 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

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

.border-b {
    border-bottom-width: 1px;
}

.border-gray-100 {
    border-color: #f3f4f6;
}

.font-semibold {
    font-weight: 600;
}

.text-gray-700 {
    color: #374151;
}

.divide-y>*+* {
    border-top-width: 1px;
    border-color: #f3f4f6;
}

.hover\:bg-gray-50:hover {
    background-color: #f9fafb;
}

.transition-colors {
    transition-property: background-color, border-color, color, fill, stroke;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.space-x-4>*+* {
    margin-left: 1rem;
}

.w-8 {
    width: 2rem;
}

.h-8 {
    height: 2rem;
}

.text-red-500 {
    color: #ef4444;
}

.text-blue-500 {
    color: #3b82f6;
}

.bg-green-500 {
    background-color: #10b981;
}

.hover\:bg-green-600:hover {
    background-color: #059669;
}

.mr-2 {
    margin-right: 0.5rem;
}

/* Login/Register Fixes */
.grid {
    display: grid;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gap-4 {
    gap: 1rem;
}

.min-h-screen {
    min-height: 100vh;
}

.w-full {
    width: 100%;
}

.max-w-md {
    max-width: 28rem;
}

.border-gray-100 {
    border-color: #f3f4f6;
}

.focus\:outline-none:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
}

.focus\:ring-2:focus {
    --tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);
    --tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);
    box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow, 0 0 #0000);
}

.focus\:ring-blue-500:focus {
    --tw-ring-opacity: 1;
    --tw-ring-color: rgba(59, 130, 246, var(--tw-ring-opacity));
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-4 {
    margin-bottom: 1rem;
}