/* Tailwind CSS-like utility classes */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.5;
    color: #1f2937;
}

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

.flex {
    display: flex;
}

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

.justify-center {
    justify-content: center;
}

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

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

.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }

/* Spacing */
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }

/* Sizing */
.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-7xl { max-width: 80rem; }
.h-10 { height: 2.5rem; }
.h-16 { height: 4rem; }
.h-96 { height: 24rem; }
.w-3 { width: 0.75rem; }
.h-3 { height: 0.75rem; }

/* Colors */
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-900 { background-color: #111827; }
.bg-white { background-color: #ffffff; }
.bg-blue-600 { background-color: #2563eb; }
.bg-green-600 { background-color: #16a34a; }
.bg-red-50 { background-color: #fef2f2; }
.bg-red-600 { background-color: #dc2626; }
.bg-gray-400 { background-color: #9ca3af; }

.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-900 { color: #111827; }
.text-white { color: #ffffff; }
.text-red-700 { color: #b91c1c; }
.text-red-800 { color: #991b1b; }
.text-green-400 { color: #4ade80; }

/* Typography */
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-mono { font-family: 'Courier New', monospace; }

.text-center { text-align: center; }
.capitalize { text-transform: capitalize; }
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Borders */
.border { border-width: 1px; }
.border-gray-300 { border-color: #d1d5db; }
.border-transparent { border-color: transparent; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-t-md { border-top-left-radius: 0.375rem; border-top-right-radius: 0.375rem; }
.rounded-b-md { border-bottom-left-radius: 0.375rem; border-bottom-right-radius: 0.375rem; }
.rounded-none { border-radius: 0; }
.rounded-full { border-radius: 9999px; }

/* Shadow */
.shadow {
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}
.shadow-sm {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

/* Forms */
input[type="text"],
input[type="password"] {
    appearance: none;
}

input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

/* Buttons */
button {
    cursor: pointer;
    transition: all 0.15s ease;
}

button:hover:not(:disabled) {
    opacity: 0.9;
}

button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.hover\:bg-gray-50:hover { background-color: #f9fafb; }
.hover\:bg-blue-700:hover { background-color: #1d4ed8; }
.hover\:bg-green-700:hover { background-color: #15803d; }
.hover\:bg-red-700:hover { background-color: #b91c1c; }

/* Utility */
.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }
.-space-y-px > * + * { margin-top: -1px; }

.relative { position: relative; }
.block { display: block; }
.hidden { display: none; }

.overflow-y-auto { overflow-y: auto; }

.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;
}

/* Grid */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 768px) {
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Responsive spacing */
@media (min-width: 640px) {
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .sm\:text-sm { font-size: 0.875rem; }
}

@media (min-width: 1024px) {
    .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
}

/* Custom styles */
#logs {
    white-space: pre-wrap;
    word-wrap: break-word;
}

#connection-status.connected {
    background-color: #16a34a;
}

#connection-status.reconnecting {
    background-color: #eab308;
}