/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, #2e7d32 0%, #388e3c 100%);
    color: #ffffff;
    border: none;
    padding: 0.875rem 1.25rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(46, 125, 50, 0.2);
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary:active {
    background: linear-gradient(135deg, #388e3c 0%, #2e7d32 100%);
    transform: scale(0.98);
    box-shadow: 0 1px 2px rgba(46, 125, 50, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, #ffc107 0%, #ffb300 100%);
    color: #1a1a1a;
    border: none;
    padding: 0.875rem 1.25rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(255, 193, 7, 0.2);
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-secondary:active {
    background: linear-gradient(135deg, #ffb300 0%, #ffc107 100%);
    transform: scale(0.98);
    box-shadow: 0 1px 2px rgba(255, 193, 7, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #d32f2f 0%, #b71c1c 100%);
    color: #ffffff;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(211, 47, 47, 0.2);
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-danger:active {
    background: linear-gradient(135deg, #b71c1c 0%, #d32f2f 100%);
    transform: scale(0.98);
    box-shadow: 0 1px 2px rgba(211, 47, 47, 0.3);
}

/* Loading Spinner */
.spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.spinner-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    font-size: var(--font-size-md);
}

/* Mobile-first responsive */
@media (max-width: 480px) {
    .btn-primary,
    .btn-secondary,
    .btn-danger {
        width: 100%;
        margin-bottom: 0.75rem;
        font-size: var(--font-size-md);
        padding: 1rem 1.5rem;
    }

    .spinner-content {
        padding: 1.5rem;
        font-size: var(--font-size-base);
    }
}