/* Sonopro EDU Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f8fafc;
    color: #2d3748;
    line-height: 1.6;
    antialiased: true;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Buttons */
.btn-primary {
    background-color: #3b82f6;
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    text-decoration: none;
    display: inline-block;
    font-weight: 500;
    transition: background-color 0.2s;
}

.btn-primary:hover {
    background-color: #2563eb;
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    text-decoration: none;
    display: inline-block;
    font-weight: 500;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

/* Cards */
.card {
    background: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    border-left: 4px solid;
    margin-bottom: 1rem;
}

.alert-info {
    background-color: #dbeafe;
    border-color: #3b82f6;
    color: #1e40af;
}

.alert-success {
    background-color: #d1fae5;
    border-color: #10b981;
    color: #065f46;
}

.alert-warning {
    background-color: #fef3c7;
    border-color: #f59e0b;
    color: #92400e;
}

.alert-error {
    background-color: #fee2e2;
    border-color: #ef4444;
    color: #991b1b;
}

/* Forms */
.form-input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    margin-top: 0.25rem;
}

.form-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.form-label {
    display: block;
    font-weight: 500;
    color: #374151;
    font-size: 0.875rem;
}

/* Grid */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }

@media (min-width: 768px) {
    .md\\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
    .lg\\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }

.bg-white { background-color: white; }
.bg-gray-100 { background-color: #f3f4f6; }

.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-900 { color: #111827; }
.text-red-600 { color: #dc2626; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-lg { font-size: 1.125rem; }
.text-sm { font-size: 0.875rem; }

.rounded-lg { border-radius: 0.5rem; }
.shadow-sm { box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05); }

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

.block { display: block; }
.inline { display: inline; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.space-x-4 > * + * { margin-left: 1rem; }

.min-h-screen { min-height: 100vh; }
.h-16 { height: 4rem; }
.w-full { width: 100%; }
.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.border-b { border-bottom-width: 1px; }
.border-gray-100 { border-color: #f3f4f6; }
.border-gray-300 { border-color: #d1d5db; }

.text-sonopro-600 { color: #3b82f6; }

.focus\\:border-sonopro-500:focus { border-color: #3b82f6; }
.focus\\:ring-sonopro-500:focus { 
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2); 
}

.hover\\:text-gray-700:hover { color: #374151; }
.hover\\:text-gray-900:hover { color: #111827; }