@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ===== BASE ===== */
body {
    font-family: 'Inter', sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===== CARDS ===== */
.card {
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s, background-color 0.3s, border-color 0.3s;
}

.card-hover:hover {
    transform: translateY(-2px);
}

/* ===== LOADING SPINNERS ===== */
.loader {
    border-top-color: #2563eb;
    animation: spinner 1s linear infinite;
}

.loader-btn {
    border-top-color: transparent;
    animation: spinner 1s linear infinite;
}

@keyframes spinner {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== SELECTS CUSTOMIZADOS ===== */
select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
}